Adding upstream version 2.12.0.upstream/2.12.0

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

80 files changed, 31575 insertions, 0 deletions

diff --git a/src/Makefile.am b/src/Makefile.am
new file mode 100644
index 0000000..fbeccf4
--- /dev/null
+++ b/src/Makefile.am
@@ -0,0 +1,221 @@
+## Process this file with automake to produce Makefile.in
+##
+## Copyright (C) 1994, 1995 Graeme Wilford.
+## Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010,
+##               2011, 2012 Colin Watson.
+##
+## This file is part of man-db.
+##
+## man-db is free software; you can redistribute it and/or modify it
+## under the terms of the GNU General Public License as published by
+## the Free Software Foundation; either version 2 of the License, or
+## (at your option) any later version.
+##
+## man-db is distributed in the hope that it will be useful, but
+## WITHOUT ANY WARRANTY; without even the implied warranty of
+## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+## GNU General Public License for more details.
+##
+## You should have received a copy of the GNU General Public License
+## along with man-db; if not, write to the Free Software Foundation,
+## Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+
+pkglibexecdir = $(libexecdir)/@PACKAGE@
+
+SUBDIRS = . tests
+
+bin_PROGRAMS = \
+	catman \
+	lexgrog \
+	man \
+	man-recode \
+	mandb \
+	manpath \
+	whatis
+sbin_PROGRAMS = accessdb
+pkglibexec_PROGRAMS = globbing manconv zsoelim
+noinst_DATA = man_db.conf
+
+EXTRA_DIST = lexgrog.c zsoelim.c
+
+AM_CPPFLAGS = \
+	-I$(top_srcdir)/include \
+	-I$(top_builddir)/gl/lib \
+	-I$(top_srcdir)/gl/lib \
+	-I$(top_srcdir)/lib \
+	-I$(top_srcdir)/libdb \
+	-DCONFIG_FILE=\"$(config_file)\" \
+	-DAPROPOS=\"$(bindir)/$(TRANS_APROPOS)\" \
+	-DAPROPOS_NAME=\"$(TRANS_APROPOS)\" \
+	-DMAN=\"$(bindir)/$(TRANS_MAN)\" \
+	-DMANCONV=\"$(pkglibexecdir)/$(TRANS_MANCONV)\" \
+	-DMANDB=\"$(bindir)/$(TRANS_MANDB)\" \
+	-DWHATIS=\"$(bindir)/$(TRANS_WHATIS)\" \
+	-DZSOELIM=\"$(pkglibexecdir)/$(TRANS_ZSOELIM)\"
+AM_CFLAGS = \
+	$(WARN_CFLAGS) \
+	$(libpipeline_CFLAGS)
+
+LIBMAN = $(top_builddir)/lib/libman.la @LTLIBINTL@
+LIBMANDB = $(top_builddir)/libdb/libmandb.la $(LIBMAN) $(DBLIBS)
+
+accessdb_LDADD = $(LIBMANDB)
+catman_LDADD = $(LIBMANDB) $(libpipeline_LIBS)
+globbing_LDADD = $(LIBMAN)
+lexgrog_LDADD = $(LIBMAN) $(LIBCOMPRESS) $(libpipeline_LIBS) $(LTLIBICONV)
+man_LDADD = $(LIBMANDB) $(LIBCOMPRESS) $(libpipeline_LIBS) $(LTLIBICONV)
+man_recode_LDADD = $(LIBMAN) $(LIBCOMPRESS) $(libpipeline_LIBS) $(LTLIBICONV)
+manconv_LDADD = $(LIBMAN) $(LIBCOMPRESS) $(libpipeline_LIBS) $(LTLIBICONV)
+mandb_LDADD = $(LIBMANDB) $(LIBCOMPRESS) $(libpipeline_LIBS) $(LTLIBICONV)
+manpath_LDADD = $(LIBMAN)
+whatis_LDADD = $(LIBMANDB) $(libpipeline_LIBS) $(LTLIBICONV)
+zsoelim_LDADD = $(LIBMAN) $(LIBCOMPRESS) $(libpipeline_LIBS)
+
+accessdb_SOURCES = \
+	accessdb.c
+catman_SOURCES = \
+	catman.c \
+	globbing.c \
+	globbing.h \
+	manp.c \
+	manp.h
+globbing_SOURCES = \
+	globbing.c \
+	globbing.h \
+	globbing_test.c
+lexgrog_SOURCES = \
+	convert.c \
+	convert.h \
+	decompress.c \
+	decompress.h \
+	descriptions.c \
+	descriptions.h \
+	globbing.c \
+	globbing.h \
+	lexgrog.h \
+	lexgrog.l \
+	lexgrog_test.c \
+	manconv.c \
+	manconv.h \
+	manconv_client.c \
+	manconv_client.h \
+	ult_src.c \
+	ult_src.h \
+	utf8.c \
+	utf8.h
+man_SOURCES = \
+	decompress.c \
+	decompress.h \
+	globbing.c \
+	globbing.h \
+	man.c \
+	manconv.c \
+	manconv.h \
+	manconv_client.c \
+	manconv_client.h \
+	manp.c \
+	manp.h \
+	ult_src.c \
+	ult_src.h \
+	utf8.c \
+	utf8.h \
+	zsoelim.h \
+	zsoelim.l
+man_recode_SOURCES = \
+	decompress.c \
+	decompress.h \
+	man-recode.c \
+	manconv.c \
+	manconv.h \
+	manconv_client.c \
+	manconv_client.h \
+	utf8.c \
+	utf8.h
+manconv_SOURCES = \
+	decompress.c \
+	decompress.h \
+	manconv.c \
+	manconv.h \
+	manconv_main.c
+mandb_SOURCES = \
+	check_mandirs.c \
+	check_mandirs.h \
+	decompress.c \
+	decompress.h \
+	descriptions.c \
+	descriptions.h \
+	descriptions_store.c \
+	globbing.c \
+	globbing.h \
+	lexgrog.h \
+	lexgrog.l \
+	manconv.c \
+	manconv.h \
+	manconv_client.c \
+	manconv_client.h \
+	mandb.c \
+	manp.c \
+	manp.h \
+	straycats.c \
+	straycats.h \
+	ult_src.c \
+	ult_src.h \
+	utf8.c \
+	utf8.h
+manpath_SOURCES = \
+	globbing.c \
+	globbing.h \
+	manp.c \
+	manp.h \
+	manpath.c
+whatis_SOURCES = \
+	convert.c \
+	convert.h \
+	globbing.c \
+	globbing.h \
+	manp.c \
+	manp.h \
+	whatis.c
+zsoelim_SOURCES = \
+	decompress.c \
+	decompress.h \
+	globbing.c \
+	globbing.h \
+	manp.c \
+	manp.h \
+	zsoelim.h \
+	zsoelim.l \
+	zsoelim_main.c
+
+CLEANFILES = apropos man_db.conf
+
+apropos$(EXEEXT): whatis$(EXEEXT)
+	rm -f $@
+	$(LN_S) whatis$(EXEEXT) $@
+
+all-am: apropos$(EXEEXT)
+
+install-exec-hook:
+	if [ "$(man_owner)" ] && [ "$(man_mode)" = 6755 ]; then \
+		chown $(man_owner):$(man_owner) \
+			$(DESTDIR)$(bindir)/$(TRANS_MAN)$(EXEEXT) \
+			$(DESTDIR)$(bindir)/$(TRANS_MANDB)$(EXEEXT); \
+	fi
+	chmod $(man_mode) \
+		$(DESTDIR)$(bindir)/$(TRANS_MAN)$(EXEEXT) \
+		$(DESTDIR)$(bindir)/$(TRANS_MANDB)$(EXEEXT)
+	cd $(DESTDIR)$(bindir) && rm -f $(TRANS_APROPOS)$(EXEEXT) && \
+		$(LN_S) $(TRANS_WHATIS)$(EXEEXT) $(TRANS_APROPOS)$(EXEEXT)
+
+install-data-hook:
+	@if test -f $(DESTDIR)$(config_file); then \
+		echo "$(DESTDIR)$(config_file) already exists; overwrite manually if necessary"; \
+	else \
+		test -z "$(config_file_dirname)" || $(MKDIR_P) "$(DESTDIR)$(config_file_dirname)"; \
+		echo " $(INSTALL_DATA) man_db.conf $(DESTDIR)$(config_file)"; \
+		$(INSTALL_DATA) man_db.conf $(DESTDIR)$(config_file); \
+	fi
+
+uninstall-hook:
+	rm -f $(DESTDIR)$(bindir)/$(TRANS_APROPOS)$(EXEEXT)
+	@echo "Please remove $(DESTDIR)$(config_file) manually if necessary"
diff --git a/src/Makefile.in b/src/Makefile.in
new file mode 100644
index 0000000..cdc8e92
--- /dev/null
+++ b/src/Makefile.in
@@ -0,0 +1,2635 @@
+# Makefile.in generated by automake 1.16.5 from Makefile.am.
+# @configure_input@
+
+# Copyright (C) 1994-2021 Free Software Foundation, Inc.
+
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+@SET_MAKE@
+
+
+VPATH = @srcdir@
+am__is_gnu_make = { \
+  if test -z '$(MAKELEVEL)'; then \
+    false; \
+  elif test -n '$(MAKE_HOST)'; then \
+    true; \
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+}
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+bin_PROGRAMS = catman$(EXEEXT) lexgrog$(EXEEXT) man$(EXEEXT) \
+	man-recode$(EXEEXT) mandb$(EXEEXT) manpath$(EXEEXT) \
+	whatis$(EXEEXT)
+sbin_PROGRAMS = accessdb$(EXEEXT)
+pkglibexec_PROGRAMS = globbing$(EXEEXT) manconv$(EXEEXT) \
+	zsoelim$(EXEEXT)
+subdir = src
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+GL_GNULIB_FFSLL = @GL_GNULIB_FFSLL@
+GL_GNULIB_FGETC = @GL_GNULIB_FGETC@
+GL_GNULIB_FGETS = @GL_GNULIB_FGETS@
+GL_GNULIB_FLOCK = @GL_GNULIB_FLOCK@
+GL_GNULIB_FNMATCH = @GL_GNULIB_FNMATCH@
+GL_GNULIB_FOPEN = @GL_GNULIB_FOPEN@
+GL_GNULIB_FOPEN_GNU = @GL_GNULIB_FOPEN_GNU@
+GL_GNULIB_FPRINTF = @GL_GNULIB_FPRINTF@
+GL_GNULIB_FPRINTF_POSIX = @GL_GNULIB_FPRINTF_POSIX@
+GL_GNULIB_FPURGE = @GL_GNULIB_FPURGE@
+GL_GNULIB_FPUTC = @GL_GNULIB_FPUTC@
+GL_GNULIB_FPUTS = @GL_GNULIB_FPUTS@
+GL_GNULIB_FREAD = @GL_GNULIB_FREAD@
+GL_GNULIB_FREE_POSIX = @GL_GNULIB_FREE_POSIX@
+GL_GNULIB_FREOPEN = @GL_GNULIB_FREOPEN@
+GL_GNULIB_FSCANF = @GL_GNULIB_FSCANF@
+GL_GNULIB_FSEEK = @GL_GNULIB_FSEEK@
+GL_GNULIB_FSEEKO = @GL_GNULIB_FSEEKO@
+GL_GNULIB_FSTAT = @GL_GNULIB_FSTAT@
+GL_GNULIB_FSTATAT = @GL_GNULIB_FSTATAT@
+GL_GNULIB_FSYNC = @GL_GNULIB_FSYNC@
+GL_GNULIB_FTELL = @GL_GNULIB_FTELL@
+GL_GNULIB_FTELLO = @GL_GNULIB_FTELLO@
+GL_GNULIB_FTRUNCATE = @GL_GNULIB_FTRUNCATE@
+GL_GNULIB_FUTIMENS = @GL_GNULIB_FUTIMENS@
+GL_GNULIB_FWRITE = @GL_GNULIB_FWRITE@
+GL_GNULIB_GETC = @GL_GNULIB_GETC@
+GL_GNULIB_GETCHAR = @GL_GNULIB_GETCHAR@
+GL_GNULIB_GETCWD = @GL_GNULIB_GETCWD@
+GL_GNULIB_GETDELIM = @GL_GNULIB_GETDELIM@
+GL_GNULIB_GETDOMAINNAME = @GL_GNULIB_GETDOMAINNAME@
+GL_GNULIB_GETDTABLESIZE = @GL_GNULIB_GETDTABLESIZE@
+GL_GNULIB_GETENTROPY = @GL_GNULIB_GETENTROPY@
+GL_GNULIB_GETGROUPS = @GL_GNULIB_GETGROUPS@
+GL_GNULIB_GETHOSTNAME = @GL_GNULIB_GETHOSTNAME@
+GL_GNULIB_GETLINE = @GL_GNULIB_GETLINE@
+GL_GNULIB_GETLOADAVG = @GL_GNULIB_GETLOADAVG@
+GL_GNULIB_GETLOGIN = @GL_GNULIB_GETLOGIN@
+GL_GNULIB_GETLOGIN_R = @GL_GNULIB_GETLOGIN_R@
+GL_GNULIB_GETOPT_POSIX = @GL_GNULIB_GETOPT_POSIX@
+GL_GNULIB_GETPAGESIZE = @GL_GNULIB_GETPAGESIZE@
+GL_GNULIB_GETPASS = @GL_GNULIB_GETPASS@
+GL_GNULIB_GETPASS_GNU = @GL_GNULIB_GETPASS_GNU@
+GL_GNULIB_GETPEERNAME = @GL_GNULIB_GETPEERNAME@
+GL_GNULIB_GETPROGNAME = @GL_GNULIB_GETPROGNAME@
+GL_GNULIB_GETRANDOM = @GL_GNULIB_GETRANDOM@
+GL_GNULIB_GETSOCKNAME = @GL_GNULIB_GETSOCKNAME@
+GL_GNULIB_GETSOCKOPT = @GL_GNULIB_GETSOCKOPT@
+GL_GNULIB_GETSUBOPT = @GL_GNULIB_GETSUBOPT@
+GL_GNULIB_GETTIMEOFDAY = @GL_GNULIB_GETTIMEOFDAY@
+GL_GNULIB_GETUMASK = @GL_GNULIB_GETUMASK@
+GL_GNULIB_GETUSERSHELL = @GL_GNULIB_GETUSERSHELL@
+GL_GNULIB_GLOB = @GL_GNULIB_GLOB@
+GL_GNULIB_GRANTPT = @GL_GNULIB_GRANTPT@
+GL_GNULIB_GROUP_MEMBER = @GL_GNULIB_GROUP_MEMBER@
+GL_GNULIB_IMAXABS = @GL_GNULIB_IMAXABS@
+GL_GNULIB_IMAXDIV = @GL_GNULIB_IMAXDIV@
+GL_GNULIB_IOCTL = @GL_GNULIB_IOCTL@
+GL_GNULIB_ISATTY = @GL_GNULIB_ISATTY@
+GL_GNULIB_ISBLANK = @GL_GNULIB_ISBLANK@
+GL_GNULIB_ISWBLANK = @GL_GNULIB_ISWBLANK@
+GL_GNULIB_ISWCTYPE = @GL_GNULIB_ISWCTYPE@
+GL_GNULIB_ISWDIGIT = @GL_GNULIB_ISWDIGIT@
+GL_GNULIB_ISWXDIGIT = @GL_GNULIB_ISWXDIGIT@
+GL_GNULIB_LCHMOD = @GL_GNULIB_LCHMOD@
+GL_GNULIB_LCHOWN = @GL_GNULIB_LCHOWN@
+GL_GNULIB_LINK = @GL_GNULIB_LINK@
+GL_GNULIB_LINKAT = @GL_GNULIB_LINKAT@
+GL_GNULIB_LISTEN = @GL_GNULIB_LISTEN@
+GL_GNULIB_LOCALECONV = @GL_GNULIB_LOCALECONV@
+GL_GNULIB_LOCALENAME = @GL_GNULIB_LOCALENAME@
+GL_GNULIB_LOCALTIME = @GL_GNULIB_LOCALTIME@
+GL_GNULIB_LSEEK = @GL_GNULIB_LSEEK@
+GL_GNULIB_LSTAT = @GL_GNULIB_LSTAT@
+GL_GNULIB_MALLOC_GNU = @GL_GNULIB_MALLOC_GNU@
+GL_GNULIB_MALLOC_POSIX = @GL_GNULIB_MALLOC_POSIX@
+GL_GNULIB_MBRLEN = @GL_GNULIB_MBRLEN@
+GL_GNULIB_MBRTOWC = @GL_GNULIB_MBRTOWC@
+GL_GNULIB_MBSCASECMP = @GL_GNULIB_MBSCASECMP@
+GL_GNULIB_MBSCASESTR = @GL_GNULIB_MBSCASESTR@
+GL_GNULIB_MBSCHR = @GL_GNULIB_MBSCHR@
+GL_GNULIB_MBSCSPN = @GL_GNULIB_MBSCSPN@
+GL_GNULIB_MBSINIT = @GL_GNULIB_MBSINIT@
+GL_GNULIB_MBSLEN = @GL_GNULIB_MBSLEN@
+GL_GNULIB_MBSNCASECMP = @GL_GNULIB_MBSNCASECMP@
+GL_GNULIB_MBSNLEN = @GL_GNULIB_MBSNLEN@
+GL_GNULIB_MBSNRTOWCS = @GL_GNULIB_MBSNRTOWCS@
+GL_GNULIB_MBSPBRK = @GL_GNULIB_MBSPBRK@
+GL_GNULIB_MBSPCASECMP = @GL_GNULIB_MBSPCASECMP@
+GL_GNULIB_MBSRCHR = @GL_GNULIB_MBSRCHR@
+GL_GNULIB_MBSRTOWCS = @GL_GNULIB_MBSRTOWCS@
+GL_GNULIB_MBSSEP = @GL_GNULIB_MBSSEP@
+GL_GNULIB_MBSSPN = @GL_GNULIB_MBSSPN@
+GL_GNULIB_MBSSTR = @GL_GNULIB_MBSSTR@
+GL_GNULIB_MBSTOK_R = @GL_GNULIB_MBSTOK_R@
+GL_GNULIB_MBSTOWCS = @GL_GNULIB_MBSTOWCS@
+GL_GNULIB_MBTOWC = @GL_GNULIB_MBTOWC@
+GL_GNULIB_MDA_ACCESS = @GL_GNULIB_MDA_ACCESS@
+GL_GNULIB_MDA_CHDIR = @GL_GNULIB_MDA_CHDIR@
+GL_GNULIB_MDA_CHMOD = @GL_GNULIB_MDA_CHMOD@
+GL_GNULIB_MDA_CLOSE = @GL_GNULIB_MDA_CLOSE@
+GL_GNULIB_MDA_CREAT = @GL_GNULIB_MDA_CREAT@
+GL_GNULIB_MDA_DUP = @GL_GNULIB_MDA_DUP@
+GL_GNULIB_MDA_DUP2 = @GL_GNULIB_MDA_DUP2@
+GL_GNULIB_MDA_ECVT = @GL_GNULIB_MDA_ECVT@
+GL_GNULIB_MDA_EXECL = @GL_GNULIB_MDA_EXECL@
+GL_GNULIB_MDA_EXECLE = @GL_GNULIB_MDA_EXECLE@
+GL_GNULIB_MDA_EXECLP = @GL_GNULIB_MDA_EXECLP@
+GL_GNULIB_MDA_EXECV = @GL_GNULIB_MDA_EXECV@
+GL_GNULIB_MDA_EXECVE = @GL_GNULIB_MDA_EXECVE@
+GL_GNULIB_MDA_EXECVP = @GL_GNULIB_MDA_EXECVP@
+GL_GNULIB_MDA_EXECVPE = @GL_GNULIB_MDA_EXECVPE@
+GL_GNULIB_MDA_FCLOSEALL = @GL_GNULIB_MDA_FCLOSEALL@
+GL_GNULIB_MDA_FCVT = @GL_GNULIB_MDA_FCVT@
+GL_GNULIB_MDA_FDOPEN = @GL_GNULIB_MDA_FDOPEN@
+GL_GNULIB_MDA_FILENO = @GL_GNULIB_MDA_FILENO@
+GL_GNULIB_MDA_GCVT = @GL_GNULIB_MDA_GCVT@
+GL_GNULIB_MDA_GETCWD = @GL_GNULIB_MDA_GETCWD@
+GL_GNULIB_MDA_GETPID = @GL_GNULIB_MDA_GETPID@
+GL_GNULIB_MDA_GETW = @GL_GNULIB_MDA_GETW@
+GL_GNULIB_MDA_ISATTY = @GL_GNULIB_MDA_ISATTY@
+GL_GNULIB_MDA_LSEEK = @GL_GNULIB_MDA_LSEEK@
+GL_GNULIB_MDA_MEMCCPY = @GL_GNULIB_MDA_MEMCCPY@
+GL_GNULIB_MDA_MKDIR = @GL_GNULIB_MDA_MKDIR@
+GL_GNULIB_MDA_MKTEMP = @GL_GNULIB_MDA_MKTEMP@
+GL_GNULIB_MDA_OPEN = @GL_GNULIB_MDA_OPEN@
+GL_GNULIB_MDA_PUTENV = @GL_GNULIB_MDA_PUTENV@
+GL_GNULIB_MDA_PUTW = @GL_GNULIB_MDA_PUTW@
+GL_GNULIB_MDA_READ = @GL_GNULIB_MDA_READ@
+GL_GNULIB_MDA_RMDIR = @GL_GNULIB_MDA_RMDIR@
+GL_GNULIB_MDA_STRDUP = @GL_GNULIB_MDA_STRDUP@
+GL_GNULIB_MDA_SWAB = @GL_GNULIB_MDA_SWAB@
+GL_GNULIB_MDA_TEMPNAM = @GL_GNULIB_MDA_TEMPNAM@
+GL_GNULIB_MDA_TZSET = @GL_GNULIB_MDA_TZSET@
+GL_GNULIB_MDA_UMASK = @GL_GNULIB_MDA_UMASK@
+GL_GNULIB_MDA_UNLINK = @GL_GNULIB_MDA_UNLINK@
+GL_GNULIB_MDA_UTIME = @GL_GNULIB_MDA_UTIME@
+GL_GNULIB_MDA_WCSDUP = @GL_GNULIB_MDA_WCSDUP@
+GL_GNULIB_MDA_WRITE = @GL_GNULIB_MDA_WRITE@
+GL_GNULIB_MEMCHR = @GL_GNULIB_MEMCHR@
+GL_GNULIB_MEMMEM = @GL_GNULIB_MEMMEM@
+GL_GNULIB_MEMPCPY = @GL_GNULIB_MEMPCPY@
+GL_GNULIB_MEMRCHR = @GL_GNULIB_MEMRCHR@
+GL_GNULIB_MEMSET_EXPLICIT = @GL_GNULIB_MEMSET_EXPLICIT@
+GL_GNULIB_MKDIR = @GL_GNULIB_MKDIR@
+GL_GNULIB_MKDIRAT = @GL_GNULIB_MKDIRAT@
+GL_GNULIB_MKDTEMP = @GL_GNULIB_MKDTEMP@
+GL_GNULIB_MKFIFO = @GL_GNULIB_MKFIFO@
+GL_GNULIB_MKFIFOAT = @GL_GNULIB_MKFIFOAT@
+GL_GNULIB_MKNOD = @GL_GNULIB_MKNOD@
+GL_GNULIB_MKNODAT = @GL_GNULIB_MKNODAT@
+GL_GNULIB_MKOSTEMP = @GL_GNULIB_MKOSTEMP@
+GL_GNULIB_MKOSTEMPS = @GL_GNULIB_MKOSTEMPS@
+GL_GNULIB_MKSTEMP = @GL_GNULIB_MKSTEMP@
+GL_GNULIB_MKSTEMPS = @GL_GNULIB_MKSTEMPS@
+GL_GNULIB_MKTIME = @GL_GNULIB_MKTIME@
+GL_GNULIB_NANOSLEEP = @GL_GNULIB_NANOSLEEP@
+GL_GNULIB_NL_LANGINFO = @GL_GNULIB_NL_LANGINFO@
+GL_GNULIB_NONBLOCKING = @GL_GNULIB_NONBLOCKING@
+GL_GNULIB_OBSTACK_PRINTF = @GL_GNULIB_OBSTACK_PRINTF@
+GL_GNULIB_OBSTACK_PRINTF_POSIX = @GL_GNULIB_OBSTACK_PRINTF_POSIX@
+GL_GNULIB_OPEN = @GL_GNULIB_OPEN@
+GL_GNULIB_OPENAT = @GL_GNULIB_OPENAT@
+GL_GNULIB_OPENDIR = @GL_GNULIB_OPENDIR@
+GL_GNULIB_OVERRIDES_STRUCT_STAT = @GL_GNULIB_OVERRIDES_STRUCT_STAT@
+GL_GNULIB_PCLOSE = @GL_GNULIB_PCLOSE@
+GL_GNULIB_PERROR = @GL_GNULIB_PERROR@
+GL_GNULIB_PIPE = @GL_GNULIB_PIPE@
+GL_GNULIB_PIPE2 = @GL_GNULIB_PIPE2@
+GL_GNULIB_POPEN = @GL_GNULIB_POPEN@
+GL_GNULIB_POSIX_MEMALIGN = @GL_GNULIB_POSIX_MEMALIGN@
+GL_GNULIB_POSIX_OPENPT = @GL_GNULIB_POSIX_OPENPT@
+GL_GNULIB_PREAD = @GL_GNULIB_PREAD@
+GL_GNULIB_PRINTF = @GL_GNULIB_PRINTF@
+GL_GNULIB_PRINTF_POSIX = @GL_GNULIB_PRINTF_POSIX@
+GL_GNULIB_PSELECT = @GL_GNULIB_PSELECT@
+GL_GNULIB_PTHREAD_SIGMASK = @GL_GNULIB_PTHREAD_SIGMASK@
+GL_GNULIB_PTSNAME = @GL_GNULIB_PTSNAME@
+GL_GNULIB_PTSNAME_R = @GL_GNULIB_PTSNAME_R@
+GL_GNULIB_PUTC = @GL_GNULIB_PUTC@
+GL_GNULIB_PUTCHAR = @GL_GNULIB_PUTCHAR@
+GL_GNULIB_PUTENV = @GL_GNULIB_PUTENV@
+GL_GNULIB_PUTS = @GL_GNULIB_PUTS@
+GL_GNULIB_PWRITE = @GL_GNULIB_PWRITE@
+GL_GNULIB_QSORT_R = @GL_GNULIB_QSORT_R@
+GL_GNULIB_RAISE = @GL_GNULIB_RAISE@
+GL_GNULIB_RANDOM = @GL_GNULIB_RANDOM@
+GL_GNULIB_RANDOM_R = @GL_GNULIB_RANDOM_R@
+GL_GNULIB_RAWMEMCHR = @GL_GNULIB_RAWMEMCHR@
+GL_GNULIB_READ = @GL_GNULIB_READ@
+GL_GNULIB_READDIR = @GL_GNULIB_READDIR@
+GL_GNULIB_READLINK = @GL_GNULIB_READLINK@
+GL_GNULIB_READLINKAT = @GL_GNULIB_READLINKAT@
+GL_GNULIB_REALLOCARRAY = @GL_GNULIB_REALLOCARRAY@
+GL_GNULIB_REALLOC_GNU = @GL_GNULIB_REALLOC_GNU@
+GL_GNULIB_REALLOC_POSIX = @GL_GNULIB_REALLOC_POSIX@
+GL_GNULIB_REALPATH = @GL_GNULIB_REALPATH@
+GL_GNULIB_RECV = @GL_GNULIB_RECV@
+GL_GNULIB_RECVFROM = @GL_GNULIB_RECVFROM@
+GL_GNULIB_REMOVE = @GL_GNULIB_REMOVE@
+GL_GNULIB_RENAME = @GL_GNULIB_RENAME@
+GL_GNULIB_RENAMEAT = @GL_GNULIB_RENAMEAT@
+GL_GNULIB_REWINDDIR = @GL_GNULIB_REWINDDIR@
+GL_GNULIB_RMDIR = @GL_GNULIB_RMDIR@
+GL_GNULIB_RPMATCH = @GL_GNULIB_RPMATCH@
+GL_GNULIB_SCANDIR = @GL_GNULIB_SCANDIR@
+GL_GNULIB_SCANF = @GL_GNULIB_SCANF@
+GL_GNULIB_SECURE_GETENV = @GL_GNULIB_SECURE_GETENV@
+GL_GNULIB_SELECT = @GL_GNULIB_SELECT@
+GL_GNULIB_SEND = @GL_GNULIB_SEND@
+GL_GNULIB_SENDTO = @GL_GNULIB_SENDTO@
+GL_GNULIB_SETENV = @GL_GNULIB_SETENV@
+GL_GNULIB_SETHOSTNAME = @GL_GNULIB_SETHOSTNAME@
+GL_GNULIB_SETLOCALE = @GL_GNULIB_SETLOCALE@
+GL_GNULIB_SETLOCALE_NULL = @GL_GNULIB_SETLOCALE_NULL@
+GL_GNULIB_SETSOCKOPT = @GL_GNULIB_SETSOCKOPT@
+GL_GNULIB_SHUTDOWN = @GL_GNULIB_SHUTDOWN@
+GL_GNULIB_SIGABBREV_NP = @GL_GNULIB_SIGABBREV_NP@
+GL_GNULIB_SIGACTION = @GL_GNULIB_SIGACTION@
+GL_GNULIB_SIGDESCR_NP = @GL_GNULIB_SIGDESCR_NP@
+GL_GNULIB_SIGNAL_H_SIGPIPE = @GL_GNULIB_SIGNAL_H_SIGPIPE@
+GL_GNULIB_SIGPROCMASK = @GL_GNULIB_SIGPROCMASK@
+GL_GNULIB_SLEEP = @GL_GNULIB_SLEEP@
+GL_GNULIB_SNPRINTF = @GL_GNULIB_SNPRINTF@
+GL_GNULIB_SOCKET = @GL_GNULIB_SOCKET@
+GL_GNULIB_SPRINTF_POSIX = @GL_GNULIB_SPRINTF_POSIX@
+GL_GNULIB_STAT = @GL_GNULIB_STAT@
+GL_GNULIB_STDIO_H_NONBLOCKING = @GL_GNULIB_STDIO_H_NONBLOCKING@
+GL_GNULIB_STDIO_H_SIGPIPE = @GL_GNULIB_STDIO_H_SIGPIPE@
+GL_GNULIB_STPCPY = @GL_GNULIB_STPCPY@
+GL_GNULIB_STPNCPY = @GL_GNULIB_STPNCPY@
+GL_GNULIB_STRCASESTR = @GL_GNULIB_STRCASESTR@
+GL_GNULIB_STRCHRNUL = @GL_GNULIB_STRCHRNUL@
+GL_GNULIB_STRDUP = @GL_GNULIB_STRDUP@
+GL_GNULIB_STRERROR = @GL_GNULIB_STRERROR@
+GL_GNULIB_STRERRORNAME_NP = @GL_GNULIB_STRERRORNAME_NP@
+GL_GNULIB_STRERROR_R = @GL_GNULIB_STRERROR_R@
+GL_GNULIB_STRFTIME = @GL_GNULIB_STRFTIME@
+GL_GNULIB_STRNCAT = @GL_GNULIB_STRNCAT@
+GL_GNULIB_STRNDUP = @GL_GNULIB_STRNDUP@
+GL_GNULIB_STRNLEN = @GL_GNULIB_STRNLEN@
+GL_GNULIB_STRPBRK = @GL_GNULIB_STRPBRK@
+GL_GNULIB_STRPTIME = @GL_GNULIB_STRPTIME@
+GL_GNULIB_STRSEP = @GL_GNULIB_STRSEP@
+GL_GNULIB_STRSIGNAL = @GL_GNULIB_STRSIGNAL@
+GL_GNULIB_STRSTR = @GL_GNULIB_STRSTR@
+GL_GNULIB_STRTOD = @GL_GNULIB_STRTOD@
+GL_GNULIB_STRTOIMAX = @GL_GNULIB_STRTOIMAX@
+GL_GNULIB_STRTOK_R = @GL_GNULIB_STRTOK_R@
+GL_GNULIB_STRTOL = @GL_GNULIB_STRTOL@
+GL_GNULIB_STRTOLD = @GL_GNULIB_STRTOLD@
+GL_GNULIB_STRTOLL = @GL_GNULIB_STRTOLL@
+GL_GNULIB_STRTOUL = @GL_GNULIB_STRTOUL@
+GL_GNULIB_STRTOULL = @GL_GNULIB_STRTOULL@
+GL_GNULIB_STRTOUMAX = @GL_GNULIB_STRTOUMAX@
+GL_GNULIB_STRVERSCMP = @GL_GNULIB_STRVERSCMP@
+GL_GNULIB_SYMLINK = @GL_GNULIB_SYMLINK@
+GL_GNULIB_SYMLINKAT = @GL_GNULIB_SYMLINKAT@
+GL_GNULIB_SYSTEM_POSIX = @GL_GNULIB_SYSTEM_POSIX@
+GL_GNULIB_TCGETSID = @GL_GNULIB_TCGETSID@
+GL_GNULIB_TIME = @GL_GNULIB_TIME@
+GL_GNULIB_TIMEGM = @GL_GNULIB_TIMEGM@
+GL_GNULIB_TIMESPEC_GET = @GL_GNULIB_TIMESPEC_GET@
+GL_GNULIB_TIMESPEC_GETRES = @GL_GNULIB_TIMESPEC_GETRES@
+GL_GNULIB_TIME_R = @GL_GNULIB_TIME_R@
+GL_GNULIB_TIME_RZ = @GL_GNULIB_TIME_RZ@
+GL_GNULIB_TMPFILE = @GL_GNULIB_TMPFILE@
+GL_GNULIB_TOWCTRANS = @GL_GNULIB_TOWCTRANS@
+GL_GNULIB_TRUNCATE = @GL_GNULIB_TRUNCATE@
+GL_GNULIB_TTYNAME_R = @GL_GNULIB_TTYNAME_R@
+GL_GNULIB_TZSET = @GL_GNULIB_TZSET@
+GL_GNULIB_UNISTD_H_GETOPT = @GL_GNULIB_UNISTD_H_GETOPT@
+GL_GNULIB_UNISTD_H_NONBLOCKING = @GL_GNULIB_UNISTD_H_NONBLOCKING@
+GL_GNULIB_UNISTD_H_SIGPIPE = @GL_GNULIB_UNISTD_H_SIGPIPE@
+GL_GNULIB_UNLINK = @GL_GNULIB_UNLINK@
+GL_GNULIB_UNLINKAT = @GL_GNULIB_UNLINKAT@
+GL_GNULIB_UNLOCKPT = @GL_GNULIB_UNLOCKPT@
+GL_GNULIB_UNSETENV = @GL_GNULIB_UNSETENV@
+GL_GNULIB_USLEEP = @GL_GNULIB_USLEEP@
+GL_GNULIB_UTIME = @GL_GNULIB_UTIME@
+GL_GNULIB_UTIMENSAT = @GL_GNULIB_UTIMENSAT@
+GL_GNULIB_VASPRINTF = @GL_GNULIB_VASPRINTF@
+GL_GNULIB_VDPRINTF = @GL_GNULIB_VDPRINTF@
+GL_GNULIB_VFPRINTF = @GL_GNULIB_VFPRINTF@
+GL_GNULIB_VFPRINTF_POSIX = @GL_GNULIB_VFPRINTF_POSIX@
+GL_GNULIB_VFSCANF = @GL_GNULIB_VFSCANF@
+GL_GNULIB_VPRINTF = @GL_GNULIB_VPRINTF@
+GL_GNULIB_VPRINTF_POSIX = @GL_GNULIB_VPRINTF_POSIX@
+GL_GNULIB_VSCANF = @GL_GNULIB_VSCANF@
+GL_GNULIB_VSNPRINTF = @GL_GNULIB_VSNPRINTF@
+GL_GNULIB_VSPRINTF_POSIX = @GL_GNULIB_VSPRINTF_POSIX@
+GL_GNULIB_WCPCPY = @GL_GNULIB_WCPCPY@
+GL_GNULIB_WCPNCPY = @GL_GNULIB_WCPNCPY@
+GL_GNULIB_WCRTOMB = @GL_GNULIB_WCRTOMB@
+GL_GNULIB_WCSCASECMP = @GL_GNULIB_WCSCASECMP@
+GL_GNULIB_WCSCAT = @GL_GNULIB_WCSCAT@
+GL_GNULIB_WCSCHR = @GL_GNULIB_WCSCHR@
+GL_GNULIB_WCSCMP = @GL_GNULIB_WCSCMP@
+GL_GNULIB_WCSCOLL = @GL_GNULIB_WCSCOLL@
+GL_GNULIB_WCSCPY = @GL_GNULIB_WCSCPY@
+GL_GNULIB_WCSCSPN = @GL_GNULIB_WCSCSPN@
+GL_GNULIB_WCSDUP = @GL_GNULIB_WCSDUP@
+GL_GNULIB_WCSFTIME = @GL_GNULIB_WCSFTIME@
+GL_GNULIB_WCSLEN = @GL_GNULIB_WCSLEN@
+GL_GNULIB_WCSNCASECMP = @GL_GNULIB_WCSNCASECMP@
+GL_GNULIB_WCSNCAT = @GL_GNULIB_WCSNCAT@
+GL_GNULIB_WCSNCMP = @GL_GNULIB_WCSNCMP@
+GL_GNULIB_WCSNCPY = @GL_GNULIB_WCSNCPY@
+GL_GNULIB_WCSNLEN = @GL_GNULIB_WCSNLEN@
+GL_GNULIB_WCSNRTOMBS = @GL_GNULIB_WCSNRTOMBS@
+GL_GNULIB_WCSPBRK = @GL_GNULIB_WCSPBRK@
+GL_GNULIB_WCSRCHR = @GL_GNULIB_WCSRCHR@
+GL_GNULIB_WCSRTOMBS = @GL_GNULIB_WCSRTOMBS@
+GL_GNULIB_WCSSPN = @GL_GNULIB_WCSSPN@
+GL_GNULIB_WCSSTR = @GL_GNULIB_WCSSTR@
+GL_GNULIB_WCSTOK = @GL_GNULIB_WCSTOK@
+GL_GNULIB_WCSWIDTH = @GL_GNULIB_WCSWIDTH@
+GL_GNULIB_WCSXFRM = @GL_GNULIB_WCSXFRM@
+GL_GNULIB_WCTOB = @GL_GNULIB_WCTOB@
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+GL_GNULIB_WCWIDTH = @GL_GNULIB_WCWIDTH@
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+HAVE_FFSL = @HAVE_FFSL@
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+HAVE_LANGINFO_ERA = @HAVE_LANGINFO_ERA@
+HAVE_LANGINFO_H = @HAVE_LANGINFO_H@
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+HAVE_LANGINFO_YESEXPR = @HAVE_LANGINFO_YESEXPR@
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+HAVE_MKDIRAT = @HAVE_MKDIRAT@
+HAVE_MKDTEMP = @HAVE_MKDTEMP@
+HAVE_MKFIFO = @HAVE_MKFIFO@
+HAVE_MKFIFOAT = @HAVE_MKFIFOAT@
+HAVE_MKNOD = @HAVE_MKNOD@
+HAVE_MKNODAT = @HAVE_MKNODAT@
+HAVE_MKOSTEMP = @HAVE_MKOSTEMP@
+HAVE_MKOSTEMPS = @HAVE_MKOSTEMPS@
+HAVE_MKSTEMP = @HAVE_MKSTEMP@
+HAVE_MKSTEMPS = @HAVE_MKSTEMPS@
+HAVE_MSVC_INVALID_PARAMETER_HANDLER = @HAVE_MSVC_INVALID_PARAMETER_HANDLER@
+HAVE_NANOSLEEP = @HAVE_NANOSLEEP@
+HAVE_NEWLOCALE = @HAVE_NEWLOCALE@
+HAVE_NL_LANGINFO = @HAVE_NL_LANGINFO@
+HAVE_OPENAT = @HAVE_OPENAT@
+HAVE_OPENDIR = @HAVE_OPENDIR@
+HAVE_OS_H = @HAVE_OS_H@
+HAVE_PCLOSE = @HAVE_PCLOSE@
+HAVE_PIPE = @HAVE_PIPE@
+HAVE_PIPE2 = @HAVE_PIPE2@
+HAVE_POPEN = @HAVE_POPEN@
+HAVE_POSIX_MEMALIGN = @HAVE_POSIX_MEMALIGN@
+HAVE_POSIX_OPENPT = @HAVE_POSIX_OPENPT@
+HAVE_POSIX_SIGNALBLOCKING = @HAVE_POSIX_SIGNALBLOCKING@
+HAVE_PREAD = @HAVE_PREAD@
+HAVE_PSELECT = @HAVE_PSELECT@
+HAVE_PTHREAD_SIGMASK = @HAVE_PTHREAD_SIGMASK@
+HAVE_PTSNAME = @HAVE_PTSNAME@
+HAVE_PTSNAME_R = @HAVE_PTSNAME_R@
+HAVE_PWRITE = @HAVE_PWRITE@
+HAVE_QSORT_R = @HAVE_QSORT_R@
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+HAVE_RANDOM = @HAVE_RANDOM@
+HAVE_RANDOM_H = @HAVE_RANDOM_H@
+HAVE_RANDOM_R = @HAVE_RANDOM_R@
+HAVE_RAWMEMCHR = @HAVE_RAWMEMCHR@
+HAVE_READDIR = @HAVE_READDIR@
+HAVE_READLINK = @HAVE_READLINK@
+HAVE_READLINKAT = @HAVE_READLINKAT@
+HAVE_REALLOCARRAY = @HAVE_REALLOCARRAY@
+HAVE_REALPATH = @HAVE_REALPATH@
+HAVE_RENAMEAT = @HAVE_RENAMEAT@
+HAVE_REWINDDIR = @HAVE_REWINDDIR@
+HAVE_RPMATCH = @HAVE_RPMATCH@
+HAVE_SA_FAMILY_T = @HAVE_SA_FAMILY_T@
+HAVE_SCANDIR = @HAVE_SCANDIR@
+HAVE_SECURE_GETENV = @HAVE_SECURE_GETENV@
+HAVE_SETENV = @HAVE_SETENV@
+HAVE_SETHOSTNAME = @HAVE_SETHOSTNAME@
+HAVE_SETSTATE = @HAVE_SETSTATE@
+HAVE_SIGABBREV_NP = @HAVE_SIGABBREV_NP@
+HAVE_SIGACTION = @HAVE_SIGACTION@
+HAVE_SIGDESCR_NP = @HAVE_SIGDESCR_NP@
+HAVE_SIGHANDLER_T = @HAVE_SIGHANDLER_T@
+HAVE_SIGINFO_T = @HAVE_SIGINFO_T@
+HAVE_SIGNED_SIG_ATOMIC_T = @HAVE_SIGNED_SIG_ATOMIC_T@
+HAVE_SIGNED_WCHAR_T = @HAVE_SIGNED_WCHAR_T@
+HAVE_SIGNED_WINT_T = @HAVE_SIGNED_WINT_T@
+HAVE_SIGSET_T = @HAVE_SIGSET_T@
+HAVE_SLEEP = @HAVE_SLEEP@
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+HAVE_STPCPY = @HAVE_STPCPY@
+HAVE_STPNCPY = @HAVE_STPNCPY@
+HAVE_STRCASECMP = @HAVE_STRCASECMP@
+HAVE_STRCASESTR = @HAVE_STRCASESTR@
+HAVE_STRCHRNUL = @HAVE_STRCHRNUL@
+HAVE_STRERRORNAME_NP = @HAVE_STRERRORNAME_NP@
+HAVE_STRINGS_H = @HAVE_STRINGS_H@
+HAVE_STRPBRK = @HAVE_STRPBRK@
+HAVE_STRPTIME = @HAVE_STRPTIME@
+HAVE_STRSEP = @HAVE_STRSEP@
+HAVE_STRTOD = @HAVE_STRTOD@
+HAVE_STRTOL = @HAVE_STRTOL@
+HAVE_STRTOLD = @HAVE_STRTOLD@
+HAVE_STRTOLL = @HAVE_STRTOLL@
+HAVE_STRTOUL = @HAVE_STRTOUL@
+HAVE_STRTOULL = @HAVE_STRTOULL@
+HAVE_STRUCT_RANDOM_DATA = @HAVE_STRUCT_RANDOM_DATA@
+HAVE_STRUCT_SIGACTION_SA_SIGACTION = @HAVE_STRUCT_SIGACTION_SA_SIGACTION@
+HAVE_STRUCT_SOCKADDR_STORAGE = @HAVE_STRUCT_SOCKADDR_STORAGE@
+HAVE_STRUCT_SOCKADDR_STORAGE_SS_FAMILY = @HAVE_STRUCT_SOCKADDR_STORAGE_SS_FAMILY@
+HAVE_STRUCT_TIMEVAL = @HAVE_STRUCT_TIMEVAL@
+HAVE_STRVERSCMP = @HAVE_STRVERSCMP@
+HAVE_SYMLINK = @HAVE_SYMLINK@
+HAVE_SYMLINKAT = @HAVE_SYMLINKAT@
+HAVE_SYSEXITS_H = @HAVE_SYSEXITS_H@
+HAVE_SYS_BITYPES_H = @HAVE_SYS_BITYPES_H@
+HAVE_SYS_CDEFS_H = @HAVE_SYS_CDEFS_H@
+HAVE_SYS_FILE_H = @HAVE_SYS_FILE_H@
+HAVE_SYS_INTTYPES_H = @HAVE_SYS_INTTYPES_H@
+HAVE_SYS_IOCTL_H = @HAVE_SYS_IOCTL_H@
+HAVE_SYS_LOADAVG_H = @HAVE_SYS_LOADAVG_H@
+HAVE_SYS_PARAM_H = @HAVE_SYS_PARAM_H@
+HAVE_SYS_RANDOM_H = @HAVE_SYS_RANDOM_H@
+HAVE_SYS_SELECT_H = @HAVE_SYS_SELECT_H@
+HAVE_SYS_SOCKET_H = @HAVE_SYS_SOCKET_H@
+HAVE_SYS_TIME_H = @HAVE_SYS_TIME_H@
+HAVE_SYS_TYPES_H = @HAVE_SYS_TYPES_H@
+HAVE_SYS_UIO_H = @HAVE_SYS_UIO_H@
+HAVE_TERMIOS_H = @HAVE_TERMIOS_H@
+HAVE_TIMEGM = @HAVE_TIMEGM@
+HAVE_TIMESPEC_GET = @HAVE_TIMESPEC_GET@
+HAVE_TIMESPEC_GETRES = @HAVE_TIMESPEC_GETRES@
+HAVE_TIMEZONE_T = @HAVE_TIMEZONE_T@
+HAVE_TYPE_VOLATILE_SIG_ATOMIC_T = @HAVE_TYPE_VOLATILE_SIG_ATOMIC_T@
+HAVE_UNISTD_H = @HAVE_UNISTD_H@
+HAVE_UNLINKAT = @HAVE_UNLINKAT@
+HAVE_UNLOCKPT = @HAVE_UNLOCKPT@
+HAVE_USLEEP = @HAVE_USLEEP@
+HAVE_UTIME = @HAVE_UTIME@
+HAVE_UTIMENSAT = @HAVE_UTIMENSAT@
+HAVE_UTIME_H = @HAVE_UTIME_H@
+HAVE_VASPRINTF = @HAVE_VASPRINTF@
+HAVE_VDPRINTF = @HAVE_VDPRINTF@
+HAVE_VISIBILITY = @HAVE_VISIBILITY@
+HAVE_WCHAR_H = @HAVE_WCHAR_H@
+HAVE_WCHAR_T = @HAVE_WCHAR_T@
+HAVE_WCPCPY = @HAVE_WCPCPY@
+HAVE_WCPNCPY = @HAVE_WCPNCPY@
+HAVE_WCRTOMB = @HAVE_WCRTOMB@
+HAVE_WCSCASECMP = @HAVE_WCSCASECMP@
+HAVE_WCSCAT = @HAVE_WCSCAT@
+HAVE_WCSCHR = @HAVE_WCSCHR@
+HAVE_WCSCMP = @HAVE_WCSCMP@
+HAVE_WCSCOLL = @HAVE_WCSCOLL@
+HAVE_WCSCPY = @HAVE_WCSCPY@
+HAVE_WCSCSPN = @HAVE_WCSCSPN@
+HAVE_WCSDUP = @HAVE_WCSDUP@
+HAVE_WCSFTIME = @HAVE_WCSFTIME@
+HAVE_WCSLEN = @HAVE_WCSLEN@
+HAVE_WCSNCASECMP = @HAVE_WCSNCASECMP@
+HAVE_WCSNCAT = @HAVE_WCSNCAT@
+HAVE_WCSNCMP = @HAVE_WCSNCMP@
+HAVE_WCSNCPY = @HAVE_WCSNCPY@
+HAVE_WCSNLEN = @HAVE_WCSNLEN@
+HAVE_WCSNRTOMBS = @HAVE_WCSNRTOMBS@
+HAVE_WCSPBRK = @HAVE_WCSPBRK@
+HAVE_WCSRCHR = @HAVE_WCSRCHR@
+HAVE_WCSRTOMBS = @HAVE_WCSRTOMBS@
+HAVE_WCSSPN = @HAVE_WCSSPN@
+HAVE_WCSSTR = @HAVE_WCSSTR@
+HAVE_WCSTOK = @HAVE_WCSTOK@
+HAVE_WCSWIDTH = @HAVE_WCSWIDTH@
+HAVE_WCSXFRM = @HAVE_WCSXFRM@
+HAVE_WCTRANS_T = @HAVE_WCTRANS_T@
+HAVE_WCTYPE_H = @HAVE_WCTYPE_H@
+HAVE_WCTYPE_T = @HAVE_WCTYPE_T@
+HAVE_WINSOCK2_H = @HAVE_WINSOCK2_H@
+HAVE_WINT_T = @HAVE_WINT_T@
+HAVE_WMEMCHR = @HAVE_WMEMCHR@
+HAVE_WMEMCMP = @HAVE_WMEMCMP@
+HAVE_WMEMCPY = @HAVE_WMEMCPY@
+HAVE_WMEMMOVE = @HAVE_WMEMMOVE@
+HAVE_WMEMPCPY = @HAVE_WMEMPCPY@
+HAVE_WMEMSET = @HAVE_WMEMSET@
+HAVE_WS2TCPIP_H = @HAVE_WS2TCPIP_H@
+HAVE_XLOCALE_H = @HAVE_XLOCALE_H@
+HAVE__EXIT = @HAVE__EXIT@
+IGNORE_UNUSED_LIBRARIES_CFLAGS = @IGNORE_UNUSED_LIBRARIES_CFLAGS@
+INCLUDE_NEXT = @INCLUDE_NEXT@
+INCLUDE_NEXT_AS_FIRST_DIRECTIVE = @INCLUDE_NEXT_AS_FIRST_DIRECTIVE@
+INSTALL = @INSTALL@
+INSTALL_DATA = @INSTALL_DATA@
+INSTALL_PROGRAM = @INSTALL_PROGRAM@
+INSTALL_SCRIPT = @INSTALL_SCRIPT@
+INSTALL_STRIP_PROGRAM = @INSTALL_STRIP_PROGRAM@
+INT32_MAX_LT_INTMAX_MAX = @INT32_MAX_LT_INTMAX_MAX@
+INT64_MAX_EQ_LONG_MAX = @INT64_MAX_EQ_LONG_MAX@
+INTLLIBS = @INTLLIBS@
+INTL_MACOSX_LIBS = @INTL_MACOSX_LIBS@
+LC_COLLATE_IMPLEMENTED = @LC_COLLATE_IMPLEMENTED@
+LC_MONETARY_IMPLEMENTED = @LC_MONETARY_IMPLEMENTED@
+LC_NUMERIC_IMPLEMENTED = @LC_NUMERIC_IMPLEMENTED@
+LC_TIME_IMPLEMENTED = @LC_TIME_IMPLEMENTED@
+LD = @LD@
+LDFLAGS = @LDFLAGS@
+LEX = @LEX@
+LEXLIB = @LEXLIB@
+LEX_OUTPUT_ROOT = @LEX_OUTPUT_ROOT@
+LIBCOMPRESS = @LIBCOMPRESS@
+LIBICONV = @LIBICONV@
+LIBINTL = @LIBINTL@
+LIBMAN_EXPORT_LDFLAGS = @LIBMAN_EXPORT_LDFLAGS@
+LIBMULTITHREAD = @LIBMULTITHREAD@
+LIBOBJS = @LIBOBJS@
+LIBPMULTITHREAD = @LIBPMULTITHREAD@
+LIBPTHREAD = @LIBPTHREAD@
+LIBS = @LIBS@
+LIBSOCKET = @LIBSOCKET@
+LIBSTDTHREAD = @LIBSTDTHREAD@
+LIBTHREAD = @LIBTHREAD@
+LIBTOOL = @LIBTOOL@
+LIB_CLOCK_GETTIME = @LIB_CLOCK_GETTIME@
+LIB_GETLOGIN = @LIB_GETLOGIN@
+LIB_GETRANDOM = @LIB_GETRANDOM@
+LIB_HARD_LOCALE = @LIB_HARD_LOCALE@
+LIB_MBRTOWC = @LIB_MBRTOWC@
+LIB_NANOSLEEP = @LIB_NANOSLEEP@
+LIB_NL_LANGINFO = @LIB_NL_LANGINFO@
+LIB_PTHREAD_SIGMASK = @LIB_PTHREAD_SIGMASK@
+LIB_SCHED_YIELD = @LIB_SCHED_YIELD@
+LIB_SELECT = @LIB_SELECT@
+LIB_SETLOCALE_NULL = @LIB_SETLOCALE_NULL@
+LIMITS_H = @LIMITS_H@
+LINGUAS = @LINGUAS@
+LIPO = @LIPO@
+LN_S = @LN_S@
+LOCALCHARSET_TESTS_ENVIRONMENT = @LOCALCHARSET_TESTS_ENVIRONMENT@
+LOCALENAME_ENHANCE_LOCALE_FUNCS = @LOCALENAME_ENHANCE_LOCALE_FUNCS@
+LOCALE_FR = @LOCALE_FR@
+LOCALE_FR_UTF8 = @LOCALE_FR_UTF8@
+LOCALE_JA = @LOCALE_JA@
+LOCALE_ZH_CN = @LOCALE_ZH_CN@
+LTALLOCA = @LTALLOCA@
+LTLIBICONV = @LTLIBICONV@
+LTLIBINTL = @LTLIBINTL@
+LTLIBMULTITHREAD = @LTLIBMULTITHREAD@
+LTLIBOBJS = @LTLIBOBJS@
+LTLIBTHREAD = @LTLIBTHREAD@
+LT_SYS_LIBRARY_PATH = @LT_SYS_LIBRARY_PATH@
+MAKEINFO = @MAKEINFO@
+MANDIR_LAYOUT = @MANDIR_LAYOUT@
+MANIFEST_TOOL = @MANIFEST_TOOL@
+MAN_SUBDIRS = @MAN_SUBDIRS@
+MBRTOWC_LIB = @MBRTOWC_LIB@
+MKDIR_P = @MKDIR_P@
+MSGFMT = @MSGFMT@
+MSGFMT_015 = @MSGFMT_015@
+MSGMERGE = @MSGMERGE@
+NANOSLEEP_LIB = @NANOSLEEP_LIB@
+NEXT_ASSERT_H = @NEXT_ASSERT_H@
+NEXT_AS_FIRST_DIRECTIVE_ASSERT_H = @NEXT_AS_FIRST_DIRECTIVE_ASSERT_H@
+NEXT_AS_FIRST_DIRECTIVE_CTYPE_H = @NEXT_AS_FIRST_DIRECTIVE_CTYPE_H@
+NEXT_AS_FIRST_DIRECTIVE_DIRENT_H = @NEXT_AS_FIRST_DIRECTIVE_DIRENT_H@
+NEXT_AS_FIRST_DIRECTIVE_ERRNO_H = @NEXT_AS_FIRST_DIRECTIVE_ERRNO_H@
+NEXT_AS_FIRST_DIRECTIVE_ERROR_H = @NEXT_AS_FIRST_DIRECTIVE_ERROR_H@
+NEXT_AS_FIRST_DIRECTIVE_FCNTL_H = @NEXT_AS_FIRST_DIRECTIVE_FCNTL_H@
+NEXT_AS_FIRST_DIRECTIVE_FLOAT_H = @NEXT_AS_FIRST_DIRECTIVE_FLOAT_H@
+NEXT_AS_FIRST_DIRECTIVE_FNMATCH_H = @NEXT_AS_FIRST_DIRECTIVE_FNMATCH_H@
+NEXT_AS_FIRST_DIRECTIVE_GETOPT_H = @NEXT_AS_FIRST_DIRECTIVE_GETOPT_H@
+NEXT_AS_FIRST_DIRECTIVE_GLOB_H = @NEXT_AS_FIRST_DIRECTIVE_GLOB_H@
+NEXT_AS_FIRST_DIRECTIVE_INTTYPES_H = @NEXT_AS_FIRST_DIRECTIVE_INTTYPES_H@
+NEXT_AS_FIRST_DIRECTIVE_LANGINFO_H = @NEXT_AS_FIRST_DIRECTIVE_LANGINFO_H@
+NEXT_AS_FIRST_DIRECTIVE_LIMITS_H = @NEXT_AS_FIRST_DIRECTIVE_LIMITS_H@
+NEXT_AS_FIRST_DIRECTIVE_LOCALE_H = @NEXT_AS_FIRST_DIRECTIVE_LOCALE_H@
+NEXT_AS_FIRST_DIRECTIVE_SIGNAL_H = @NEXT_AS_FIRST_DIRECTIVE_SIGNAL_H@
+NEXT_AS_FIRST_DIRECTIVE_STDARG_H = @NEXT_AS_FIRST_DIRECTIVE_STDARG_H@
+NEXT_AS_FIRST_DIRECTIVE_STDDEF_H = @NEXT_AS_FIRST_DIRECTIVE_STDDEF_H@
+NEXT_AS_FIRST_DIRECTIVE_STDINT_H = @NEXT_AS_FIRST_DIRECTIVE_STDINT_H@
+NEXT_AS_FIRST_DIRECTIVE_STDIO_H = @NEXT_AS_FIRST_DIRECTIVE_STDIO_H@
+NEXT_AS_FIRST_DIRECTIVE_STDLIB_H = @NEXT_AS_FIRST_DIRECTIVE_STDLIB_H@
+NEXT_AS_FIRST_DIRECTIVE_STRINGS_H = @NEXT_AS_FIRST_DIRECTIVE_STRINGS_H@
+NEXT_AS_FIRST_DIRECTIVE_STRING_H = @NEXT_AS_FIRST_DIRECTIVE_STRING_H@
+NEXT_AS_FIRST_DIRECTIVE_SYSEXITS_H = @NEXT_AS_FIRST_DIRECTIVE_SYSEXITS_H@
+NEXT_AS_FIRST_DIRECTIVE_SYS_FILE_H = @NEXT_AS_FIRST_DIRECTIVE_SYS_FILE_H@
+NEXT_AS_FIRST_DIRECTIVE_SYS_IOCTL_H = @NEXT_AS_FIRST_DIRECTIVE_SYS_IOCTL_H@
+NEXT_AS_FIRST_DIRECTIVE_SYS_RANDOM_H = @NEXT_AS_FIRST_DIRECTIVE_SYS_RANDOM_H@
+NEXT_AS_FIRST_DIRECTIVE_SYS_SELECT_H = @NEXT_AS_FIRST_DIRECTIVE_SYS_SELECT_H@
+NEXT_AS_FIRST_DIRECTIVE_SYS_SOCKET_H = @NEXT_AS_FIRST_DIRECTIVE_SYS_SOCKET_H@
+NEXT_AS_FIRST_DIRECTIVE_SYS_STAT_H = @NEXT_AS_FIRST_DIRECTIVE_SYS_STAT_H@
+NEXT_AS_FIRST_DIRECTIVE_SYS_TIME_H = @NEXT_AS_FIRST_DIRECTIVE_SYS_TIME_H@
+NEXT_AS_FIRST_DIRECTIVE_SYS_TYPES_H = @NEXT_AS_FIRST_DIRECTIVE_SYS_TYPES_H@
+NEXT_AS_FIRST_DIRECTIVE_SYS_UIO_H = @NEXT_AS_FIRST_DIRECTIVE_SYS_UIO_H@
+NEXT_AS_FIRST_DIRECTIVE_TERMIOS_H = @NEXT_AS_FIRST_DIRECTIVE_TERMIOS_H@
+NEXT_AS_FIRST_DIRECTIVE_TIME_H = @NEXT_AS_FIRST_DIRECTIVE_TIME_H@
+NEXT_AS_FIRST_DIRECTIVE_UNISTD_H = @NEXT_AS_FIRST_DIRECTIVE_UNISTD_H@
+NEXT_AS_FIRST_DIRECTIVE_UTIME_H = @NEXT_AS_FIRST_DIRECTIVE_UTIME_H@
+NEXT_AS_FIRST_DIRECTIVE_WCHAR_H = @NEXT_AS_FIRST_DIRECTIVE_WCHAR_H@
+NEXT_AS_FIRST_DIRECTIVE_WCTYPE_H = @NEXT_AS_FIRST_DIRECTIVE_WCTYPE_H@
+NEXT_CTYPE_H = @NEXT_CTYPE_H@
+NEXT_DIRENT_H = @NEXT_DIRENT_H@
+NEXT_ERRNO_H = @NEXT_ERRNO_H@
+NEXT_ERROR_H = @NEXT_ERROR_H@
+NEXT_FCNTL_H = @NEXT_FCNTL_H@
+NEXT_FLOAT_H = @NEXT_FLOAT_H@
+NEXT_FNMATCH_H = @NEXT_FNMATCH_H@
+NEXT_GETOPT_H = @NEXT_GETOPT_H@
+NEXT_GLOB_H = @NEXT_GLOB_H@
+NEXT_INTTYPES_H = @NEXT_INTTYPES_H@
+NEXT_LANGINFO_H = @NEXT_LANGINFO_H@
+NEXT_LIMITS_H = @NEXT_LIMITS_H@
+NEXT_LOCALE_H = @NEXT_LOCALE_H@
+NEXT_SIGNAL_H = @NEXT_SIGNAL_H@
+NEXT_STDARG_H = @NEXT_STDARG_H@
+NEXT_STDDEF_H = @NEXT_STDDEF_H@
+NEXT_STDINT_H = @NEXT_STDINT_H@
+NEXT_STDIO_H = @NEXT_STDIO_H@
+NEXT_STDLIB_H = @NEXT_STDLIB_H@
+NEXT_STRINGS_H = @NEXT_STRINGS_H@
+NEXT_STRING_H = @NEXT_STRING_H@
+NEXT_SYSEXITS_H = @NEXT_SYSEXITS_H@
+NEXT_SYS_FILE_H = @NEXT_SYS_FILE_H@
+NEXT_SYS_IOCTL_H = @NEXT_SYS_IOCTL_H@
+NEXT_SYS_RANDOM_H = @NEXT_SYS_RANDOM_H@
+NEXT_SYS_SELECT_H = @NEXT_SYS_SELECT_H@
+NEXT_SYS_SOCKET_H = @NEXT_SYS_SOCKET_H@
+NEXT_SYS_STAT_H = @NEXT_SYS_STAT_H@
+NEXT_SYS_TIME_H = @NEXT_SYS_TIME_H@
+NEXT_SYS_TYPES_H = @NEXT_SYS_TYPES_H@
+NEXT_SYS_UIO_H = @NEXT_SYS_UIO_H@
+NEXT_TERMIOS_H = @NEXT_TERMIOS_H@
+NEXT_TIME_H = @NEXT_TIME_H@
+NEXT_UNISTD_H = @NEXT_UNISTD_H@
+NEXT_UTIME_H = @NEXT_UTIME_H@
+NEXT_WCHAR_H = @NEXT_WCHAR_H@
+NEXT_WCTYPE_H = @NEXT_WCTYPE_H@
+NM = @NM@
+NMEDIT = @NMEDIT@
+OBJDUMP = @OBJDUMP@
+OBJEXT = @OBJEXT@
+OTOOL = @OTOOL@
+OTOOL64 = @OTOOL64@
+PACKAGE = @PACKAGE@
+PACKAGE_BUGREPORT = @PACKAGE_BUGREPORT@
+PACKAGE_NAME = @PACKAGE_NAME@
+PACKAGE_STRING = @PACKAGE_STRING@
+PACKAGE_TARNAME = @PACKAGE_TARNAME@
+PACKAGE_URL = @PACKAGE_URL@
+PACKAGE_VERSION = @PACKAGE_VERSION@
+PATH_SEPARATOR = @PATH_SEPARATOR@
+PKG_CONFIG = @PKG_CONFIG@
+PKG_CONFIG_LIBDIR = @PKG_CONFIG_LIBDIR@
+PKG_CONFIG_PATH = @PKG_CONFIG_PATH@
+PO4A = @PO4A@
+POSUB = @POSUB@
+PRAGMA_COLUMNS = @PRAGMA_COLUMNS@
+PRAGMA_SYSTEM_HEADER = @PRAGMA_SYSTEM_HEADER@
+PRIPTR_PREFIX = @PRIPTR_PREFIX@
+PTHREAD_H_DEFINES_STRUCT_TIMESPEC = @PTHREAD_H_DEFINES_STRUCT_TIMESPEC@
+PTHREAD_SIGMASK_LIB = @PTHREAD_SIGMASK_LIB@
+PTRDIFF_T_SUFFIX = @PTRDIFF_T_SUFFIX@
+RANLIB = @RANLIB@
+REPLACE_ACCESS = @REPLACE_ACCESS@
+REPLACE_ALIGNED_ALLOC = @REPLACE_ALIGNED_ALLOC@
+REPLACE_BTOWC = @REPLACE_BTOWC@
+REPLACE_CALLOC_FOR_CALLOC_GNU = @REPLACE_CALLOC_FOR_CALLOC_GNU@
+REPLACE_CALLOC_FOR_CALLOC_POSIX = @REPLACE_CALLOC_FOR_CALLOC_POSIX@
+REPLACE_CANONICALIZE_FILE_NAME = @REPLACE_CANONICALIZE_FILE_NAME@
+REPLACE_CHMOD = @REPLACE_CHMOD@
+REPLACE_CHOWN = @REPLACE_CHOWN@
+REPLACE_CLOSE = @REPLACE_CLOSE@
+REPLACE_CLOSEDIR = @REPLACE_CLOSEDIR@
+REPLACE_COPY_FILE_RANGE = @REPLACE_COPY_FILE_RANGE@
+REPLACE_CREAT = @REPLACE_CREAT@
+REPLACE_CTIME = @REPLACE_CTIME@
+REPLACE_DIRFD = @REPLACE_DIRFD@
+REPLACE_DPRINTF = @REPLACE_DPRINTF@
+REPLACE_DUP = @REPLACE_DUP@
+REPLACE_DUP2 = @REPLACE_DUP2@
+REPLACE_DUP3 = @REPLACE_DUP3@
+REPLACE_DUPLOCALE = @REPLACE_DUPLOCALE@
+REPLACE_ERROR = @REPLACE_ERROR@
+REPLACE_ERROR_AT_LINE = @REPLACE_ERROR_AT_LINE@
+REPLACE_EXECL = @REPLACE_EXECL@
+REPLACE_EXECLE = @REPLACE_EXECLE@
+REPLACE_EXECLP = @REPLACE_EXECLP@
+REPLACE_EXECV = @REPLACE_EXECV@
+REPLACE_EXECVE = @REPLACE_EXECVE@
+REPLACE_EXECVP = @REPLACE_EXECVP@
+REPLACE_EXECVPE = @REPLACE_EXECVPE@
+REPLACE_FACCESSAT = @REPLACE_FACCESSAT@
+REPLACE_FCHMODAT = @REPLACE_FCHMODAT@
+REPLACE_FCHOWNAT = @REPLACE_FCHOWNAT@
+REPLACE_FCLOSE = @REPLACE_FCLOSE@
+REPLACE_FCNTL = @REPLACE_FCNTL@
+REPLACE_FDATASYNC = @REPLACE_FDATASYNC@
+REPLACE_FDOPEN = @REPLACE_FDOPEN@
+REPLACE_FDOPENDIR = @REPLACE_FDOPENDIR@
+REPLACE_FFLUSH = @REPLACE_FFLUSH@
+REPLACE_FFSLL = @REPLACE_FFSLL@
+REPLACE_FNMATCH = @REPLACE_FNMATCH@
+REPLACE_FOPEN = @REPLACE_FOPEN@
+REPLACE_FOPEN_FOR_FOPEN_GNU = @REPLACE_FOPEN_FOR_FOPEN_GNU@
+REPLACE_FPRINTF = @REPLACE_FPRINTF@
+REPLACE_FPURGE = @REPLACE_FPURGE@
+REPLACE_FREE = @REPLACE_FREE@
+REPLACE_FREELOCALE = @REPLACE_FREELOCALE@
+REPLACE_FREOPEN = @REPLACE_FREOPEN@
+REPLACE_FSEEK = @REPLACE_FSEEK@
+REPLACE_FSEEKO = @REPLACE_FSEEKO@
+REPLACE_FSTAT = @REPLACE_FSTAT@
+REPLACE_FSTATAT = @REPLACE_FSTATAT@
+REPLACE_FTELL = @REPLACE_FTELL@
+REPLACE_FTELLO = @REPLACE_FTELLO@
+REPLACE_FTRUNCATE = @REPLACE_FTRUNCATE@
+REPLACE_FUTIMENS = @REPLACE_FUTIMENS@
+REPLACE_GETCWD = @REPLACE_GETCWD@
+REPLACE_GETDELIM = @REPLACE_GETDELIM@
+REPLACE_GETDOMAINNAME = @REPLACE_GETDOMAINNAME@
+REPLACE_GETDTABLESIZE = @REPLACE_GETDTABLESIZE@
+REPLACE_GETENTROPY = @REPLACE_GETENTROPY@
+REPLACE_GETGROUPS = @REPLACE_GETGROUPS@
+REPLACE_GETLINE = @REPLACE_GETLINE@
+REPLACE_GETLOADAVG = @REPLACE_GETLOADAVG@
+REPLACE_GETLOGIN_R = @REPLACE_GETLOGIN_R@
+REPLACE_GETPAGESIZE = @REPLACE_GETPAGESIZE@
+REPLACE_GETPASS = @REPLACE_GETPASS@
+REPLACE_GETPASS_FOR_GETPASS_GNU = @REPLACE_GETPASS_FOR_GETPASS_GNU@
+REPLACE_GETPROGNAME = @REPLACE_GETPROGNAME@
+REPLACE_GETRANDOM = @REPLACE_GETRANDOM@
+REPLACE_GETSUBOPT = @REPLACE_GETSUBOPT@
+REPLACE_GETTIMEOFDAY = @REPLACE_GETTIMEOFDAY@
+REPLACE_GLOB = @REPLACE_GLOB@
+REPLACE_GLOB_PATTERN_P = @REPLACE_GLOB_PATTERN_P@
+REPLACE_GMTIME = @REPLACE_GMTIME@
+REPLACE_IMAXABS = @REPLACE_IMAXABS@
+REPLACE_IMAXDIV = @REPLACE_IMAXDIV@
+REPLACE_INITSTATE = @REPLACE_INITSTATE@
+REPLACE_IOCTL = @REPLACE_IOCTL@
+REPLACE_ISATTY = @REPLACE_ISATTY@
+REPLACE_ISWBLANK = @REPLACE_ISWBLANK@
+REPLACE_ISWCNTRL = @REPLACE_ISWCNTRL@
+REPLACE_ISWDIGIT = @REPLACE_ISWDIGIT@
+REPLACE_ISWXDIGIT = @REPLACE_ISWXDIGIT@
+REPLACE_ITOLD = @REPLACE_ITOLD@
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+REPLACE_MALLOC_FOR_MALLOC_POSIX = @REPLACE_MALLOC_FOR_MALLOC_POSIX@
+REPLACE_MBRLEN = @REPLACE_MBRLEN@
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+REPLACE_MBTOWC = @REPLACE_MBTOWC@
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+REPLACE_MKOSTEMP = @REPLACE_MKOSTEMP@
+REPLACE_MKOSTEMPS = @REPLACE_MKOSTEMPS@
+REPLACE_MKSTEMP = @REPLACE_MKSTEMP@
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+REPLACE_NEWLOCALE = @REPLACE_NEWLOCALE@
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+REPLACE_OBSTACK_PRINTF = @REPLACE_OBSTACK_PRINTF@
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+REPLACE_PERROR = @REPLACE_PERROR@
+REPLACE_PIPE2 = @REPLACE_PIPE2@
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+REPLACE_POSIX_OPENPT = @REPLACE_POSIX_OPENPT@
+REPLACE_PREAD = @REPLACE_PREAD@
+REPLACE_PRINTF = @REPLACE_PRINTF@
+REPLACE_PSELECT = @REPLACE_PSELECT@
+REPLACE_PTHREAD_SIGMASK = @REPLACE_PTHREAD_SIGMASK@
+REPLACE_PTSNAME = @REPLACE_PTSNAME@
+REPLACE_PTSNAME_R = @REPLACE_PTSNAME_R@
+REPLACE_PUTENV = @REPLACE_PUTENV@
+REPLACE_PWRITE = @REPLACE_PWRITE@
+REPLACE_QSORT_R = @REPLACE_QSORT_R@
+REPLACE_RAISE = @REPLACE_RAISE@
+REPLACE_RANDOM = @REPLACE_RANDOM@
+REPLACE_RANDOM_R = @REPLACE_RANDOM_R@
+REPLACE_READ = @REPLACE_READ@
+REPLACE_READDIR = @REPLACE_READDIR@
+REPLACE_READLINK = @REPLACE_READLINK@
+REPLACE_READLINKAT = @REPLACE_READLINKAT@
+REPLACE_REALLOCARRAY = @REPLACE_REALLOCARRAY@
+REPLACE_REALLOC_FOR_REALLOC_GNU = @REPLACE_REALLOC_FOR_REALLOC_GNU@
+REPLACE_REALLOC_FOR_REALLOC_POSIX = @REPLACE_REALLOC_FOR_REALLOC_POSIX@
+REPLACE_REALPATH = @REPLACE_REALPATH@
+REPLACE_REMOVE = @REPLACE_REMOVE@
+REPLACE_RENAME = @REPLACE_RENAME@
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+REPLACE_RMDIR = @REPLACE_RMDIR@
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+REPLACE_SETENV = @REPLACE_SETENV@
+REPLACE_SETHOSTNAME = @REPLACE_SETHOSTNAME@
+REPLACE_SETLOCALE = @REPLACE_SETLOCALE@
+REPLACE_SETSTATE = @REPLACE_SETSTATE@
+REPLACE_SLEEP = @REPLACE_SLEEP@
+REPLACE_SNPRINTF = @REPLACE_SNPRINTF@
+REPLACE_SPRINTF = @REPLACE_SPRINTF@
+REPLACE_STAT = @REPLACE_STAT@
+REPLACE_STDIO_READ_FUNCS = @REPLACE_STDIO_READ_FUNCS@
+REPLACE_STDIO_WRITE_FUNCS = @REPLACE_STDIO_WRITE_FUNCS@
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+REPLACE_STPNCPY = @REPLACE_STPNCPY@
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+REPLACE_STRTOUMAX = @REPLACE_STRTOUMAX@
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+REPLACE_STRUCT_TIMEVAL = @REPLACE_STRUCT_TIMEVAL@
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+SHELL = @SHELL@
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+STRIP = @STRIP@
+SYSEXITS_H = @SYSEXITS_H@
+SYS_IOCTL_H_HAVE_WINSOCK2_H = @SYS_IOCTL_H_HAVE_WINSOCK2_H@
+SYS_IOCTL_H_HAVE_WINSOCK2_H_AND_USE_SOCKETS = @SYS_IOCTL_H_HAVE_WINSOCK2_H_AND_USE_SOCKETS@
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+TBL_X_FORMAT = @TBL_X_FORMAT@
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+gl_LIBOBJS = @gl_LIBOBJS@
+gl_LTLIBOBJS = @gl_LTLIBOBJS@
+gltests_LIBOBJDEPS = @gltests_LIBOBJDEPS@
+gltests_LIBOBJS = @gltests_LIBOBJS@
+gltests_LTLIBOBJS = @gltests_LTLIBOBJS@
+gltests_WITNESS = @gltests_WITNESS@
+grap = @grap@
+grep = @grep@
+gzip = @gzip@
+host = @host@
+host_alias = @host_alias@
+host_cpu = @host_cpu@
+host_os = @host_os@
+host_vendor = @host_vendor@
+htmldir = @htmldir@
+includedir = @includedir@
+infodir = @infodir@
+install_sh = @install_sh@
+libdir = @libdir@
+libexecdir = @libexecdir@
+libpipeline_CFLAGS = @libpipeline_CFLAGS@
+libpipeline_LIBS = @libpipeline_LIBS@
+libseccomp_CFLAGS = @libseccomp_CFLAGS@
+libseccomp_LIBS = @libseccomp_LIBS@
+localedir = @localedir@
+localstatedir = @localstatedir@
+lzip = @lzip@
+lzma = @lzma@
+man_mode = @man_mode@
+man_owner = @man_owner@
+mandir = @mandir@
+mkdir_p = @mkdir_p@
+neqn = @neqn@
+nroff = @nroff@
+oldincludedir = @oldincludedir@
+override_dir = @override_dir@
+pager = @pager@
+pdfdir = @pdfdir@
+pic = @pic@
+preconv = @preconv@
+prefix = @prefix@
+program_transform_name = @program_transform_name@
+psdir = @psdir@
+refer = @refer@
+roff_version = @roff_version@
+runstatedir = @runstatedir@
+sbindir = @sbindir@
+sections = @sections@
+sharedstatedir = @sharedstatedir@
+snapdir = @snapdir@
+srcdir = @srcdir@
+sysconfdir = @sysconfdir@
+systemdsystemunitdir = @systemdsystemunitdir@
+systemdtmpfilesdir = @systemdtmpfilesdir@
+target_alias = @target_alias@
+tbl = @tbl@
+top_build_prefix = @top_build_prefix@
+top_builddir = @top_builddir@
+top_srcdir = @top_srcdir@
+tr = @tr@
+troff = @troff@
+troff_as_troff_input = @troff_as_troff_input@
+troff_is_groff = @troff_is_groff@
+vgrind = @vgrind@
+xz = @xz@
+zstd = @zstd@
+SUBDIRS = . tests
+noinst_DATA = man_db.conf
+EXTRA_DIST = lexgrog.c zsoelim.c
+AM_CPPFLAGS = \
+	-I$(top_srcdir)/include \
+	-I$(top_builddir)/gl/lib \
+	-I$(top_srcdir)/gl/lib \
+	-I$(top_srcdir)/lib \
+	-I$(top_srcdir)/libdb \
+	-DCONFIG_FILE=\"$(config_file)\" \
+	-DAPROPOS=\"$(bindir)/$(TRANS_APROPOS)\" \
+	-DAPROPOS_NAME=\"$(TRANS_APROPOS)\" \
+	-DMAN=\"$(bindir)/$(TRANS_MAN)\" \
+	-DMANCONV=\"$(pkglibexecdir)/$(TRANS_MANCONV)\" \
+	-DMANDB=\"$(bindir)/$(TRANS_MANDB)\" \
+	-DWHATIS=\"$(bindir)/$(TRANS_WHATIS)\" \
+	-DZSOELIM=\"$(pkglibexecdir)/$(TRANS_ZSOELIM)\"
+
+AM_CFLAGS = \
+	$(WARN_CFLAGS) \
+	$(libpipeline_CFLAGS)
+
+LIBMAN = $(top_builddir)/lib/libman.la @LTLIBINTL@
+LIBMANDB = $(top_builddir)/libdb/libmandb.la $(LIBMAN) $(DBLIBS)
+accessdb_LDADD = $(LIBMANDB)
+catman_LDADD = $(LIBMANDB) $(libpipeline_LIBS)
+globbing_LDADD = $(LIBMAN)
+lexgrog_LDADD = $(LIBMAN) $(LIBCOMPRESS) $(libpipeline_LIBS) $(LTLIBICONV)
+man_LDADD = $(LIBMANDB) $(LIBCOMPRESS) $(libpipeline_LIBS) $(LTLIBICONV)
+man_recode_LDADD = $(LIBMAN) $(LIBCOMPRESS) $(libpipeline_LIBS) $(LTLIBICONV)
+manconv_LDADD = $(LIBMAN) $(LIBCOMPRESS) $(libpipeline_LIBS) $(LTLIBICONV)
+mandb_LDADD = $(LIBMANDB) $(LIBCOMPRESS) $(libpipeline_LIBS) $(LTLIBICONV)
+manpath_LDADD = $(LIBMAN)
+whatis_LDADD = $(LIBMANDB) $(libpipeline_LIBS) $(LTLIBICONV)
+zsoelim_LDADD = $(LIBMAN) $(LIBCOMPRESS) $(libpipeline_LIBS)
+accessdb_SOURCES = \
+	accessdb.c
+
+catman_SOURCES = \
+	catman.c \
+	globbing.c \
+	globbing.h \
+	manp.c \
+	manp.h
+
+globbing_SOURCES = \
+	globbing.c \
+	globbing.h \
+	globbing_test.c
+
+lexgrog_SOURCES = \
+	convert.c \
+	convert.h \
+	decompress.c \
+	decompress.h \
+	descriptions.c \
+	descriptions.h \
+	globbing.c \
+	globbing.h \
+	lexgrog.h \
+	lexgrog.l \
+	lexgrog_test.c \
+	manconv.c \
+	manconv.h \
+	manconv_client.c \
+	manconv_client.h \
+	ult_src.c \
+	ult_src.h \
+	utf8.c \
+	utf8.h
+
+man_SOURCES = \
+	decompress.c \
+	decompress.h \
+	globbing.c \
+	globbing.h \
+	man.c \
+	manconv.c \
+	manconv.h \
+	manconv_client.c \
+	manconv_client.h \
+	manp.c \
+	manp.h \
+	ult_src.c \
+	ult_src.h \
+	utf8.c \
+	utf8.h \
+	zsoelim.h \
+	zsoelim.l
+
+man_recode_SOURCES = \
+	decompress.c \
+	decompress.h \
+	man-recode.c \
+	manconv.c \
+	manconv.h \
+	manconv_client.c \
+	manconv_client.h \
+	utf8.c \
+	utf8.h
+
+manconv_SOURCES = \
+	decompress.c \
+	decompress.h \
+	manconv.c \
+	manconv.h \
+	manconv_main.c
+
+mandb_SOURCES = \
+	check_mandirs.c \
+	check_mandirs.h \
+	decompress.c \
+	decompress.h \
+	descriptions.c \
+	descriptions.h \
+	descriptions_store.c \
+	globbing.c \
+	globbing.h \
+	lexgrog.h \
+	lexgrog.l \
+	manconv.c \
+	manconv.h \
+	manconv_client.c \
+	manconv_client.h \
+	mandb.c \
+	manp.c \
+	manp.h \
+	straycats.c \
+	straycats.h \
+	ult_src.c \
+	ult_src.h \
+	utf8.c \
+	utf8.h
+
+manpath_SOURCES = \
+	globbing.c \
+	globbing.h \
+	manp.c \
+	manp.h \
+	manpath.c
+
+whatis_SOURCES = \
+	convert.c \
+	convert.h \
+	globbing.c \
+	globbing.h \
+	manp.c \
+	manp.h \
+	whatis.c
+
+zsoelim_SOURCES = \
+	decompress.c \
+	decompress.h \
+	globbing.c \
+	globbing.h \
+	manp.c \
+	manp.h \
+	zsoelim.h \
+	zsoelim.l \
+	zsoelim_main.c
+
+CLEANFILES = apropos man_db.conf
+all: all-recursive
+
+.SUFFIXES:
+.SUFFIXES: .c .l .lo .o .obj
+$(srcdir)/Makefile.in:  $(srcdir)/Makefile.am  $(am__configure_deps)
+	@for dep in $?; do \
+	  case '$(am__configure_deps)' in \
+	    *$$dep*) \
+	      ( cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh ) \
+	        && { if test -f $@; then exit 0; else break; fi; }; \
+	      exit 1;; \
+	  esac; \
+	done; \
+	echo ' cd $(top_srcdir) && $(AUTOMAKE) --foreign src/Makefile'; \
+	$(am__cd) $(top_srcdir) && \
+	  $(AUTOMAKE) --foreign src/Makefile
+Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status
+	@case '$?' in \
+	  *config.status*) \
+	    cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh;; \
+	  *) \
+	    echo ' cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__maybe_remake_depfiles)'; \
+	    cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__maybe_remake_depfiles);; \
+	esac;
+
+$(top_builddir)/config.status: $(top_srcdir)/configure $(CONFIG_STATUS_DEPENDENCIES)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+
+$(top_srcdir)/configure:  $(am__configure_deps)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+$(ACLOCAL_M4):  $(am__aclocal_m4_deps)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+$(am__aclocal_m4_deps):
+man_db.conf: $(top_builddir)/config.status $(srcdir)/man_db.conf.in
+	cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@
+install-binPROGRAMS: $(bin_PROGRAMS)
+	@$(NORMAL_INSTALL)
+	@list='$(bin_PROGRAMS)'; test -n "$(bindir)" || list=; \
+	if test -n "$$list"; then \
+	  echo " $(MKDIR_P) '$(DESTDIR)$(bindir)'"; \
+	  $(MKDIR_P) "$(DESTDIR)$(bindir)" || exit 1; \
+	fi; \
+	for p in $$list; do echo "$$p $$p"; done | \
+	sed 's/$(EXEEXT)$$//' | \
+	while read p p1; do if test -f $$p \
+	 || test -f $$p1 \
+	  ; then echo "$$p"; echo "$$p"; else :; fi; \
+	done | \
+	sed -e 'p;s,.*/,,;n;h' \
+	    -e 's|.*|.|' \
+	    -e 'p;x;s,.*/,,;s/$(EXEEXT)$$//;$(transform);s/$$/$(EXEEXT)/' | \
+	sed 'N;N;N;s,\n, ,g' | \
+	$(AWK) 'BEGIN { files["."] = ""; dirs["."] = 1 } \
+	  { d=$$3; if (dirs[d] != 1) { print "d", d; dirs[d] = 1 } \
+	    if ($$2 == $$4) files[d] = files[d] " " $$1; \
+	    else { print "f", $$3 "/" $$4, $$1; } } \
+	  END { for (d in files) print "f", d, files[d] }' | \
+	while read type dir files; do \
+	    if test "$$dir" = .; then dir=; else dir=/$$dir; fi; \
+	    test -z "$$files" || { \
+	    echo " $(INSTALL_PROGRAM_ENV) $(LIBTOOL) $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=install $(INSTALL_PROGRAM) $$files '$(DESTDIR)$(bindir)$$dir'"; \
+	    $(INSTALL_PROGRAM_ENV) $(LIBTOOL) $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=install $(INSTALL_PROGRAM) $$files "$(DESTDIR)$(bindir)$$dir" || exit $$?; \
+	    } \
+	; done
+
+uninstall-binPROGRAMS:
+	@$(NORMAL_UNINSTALL)
+	@list='$(bin_PROGRAMS)'; test -n "$(bindir)" || list=; \
+	files=`for p in $$list; do echo "$$p"; done | \
+	  sed -e 'h;s,^.*/,,;s/$(EXEEXT)$$//;$(transform)' \
+	      -e 's/$$/$(EXEEXT)/' \
+	`; \
+	test -n "$$list" || exit 0; \
+	echo " ( cd '$(DESTDIR)$(bindir)' && rm -f" $$files ")"; \
+	cd "$(DESTDIR)$(bindir)" && rm -f $$files
+
+clean-binPROGRAMS:
+	@list='$(bin_PROGRAMS)'; test -n "$$list" || exit 0; \
+	echo " rm -f" $$list; \
+	rm -f $$list || exit $$?; \
+	test -n "$(EXEEXT)" || exit 0; \
+	list=`for p in $$list; do echo "$$p"; done | sed 's/$(EXEEXT)$$//'`; \
+	echo " rm -f" $$list; \
+	rm -f $$list
+install-pkglibexecPROGRAMS: $(pkglibexec_PROGRAMS)
+	@$(NORMAL_INSTALL)
+	@list='$(pkglibexec_PROGRAMS)'; test -n "$(pkglibexecdir)" || list=; \
+	if test -n "$$list"; then \
+	  echo " $(MKDIR_P) '$(DESTDIR)$(pkglibexecdir)'"; \
+	  $(MKDIR_P) "$(DESTDIR)$(pkglibexecdir)" || exit 1; \
+	fi; \
+	for p in $$list; do echo "$$p $$p"; done | \
+	sed 's/$(EXEEXT)$$//' | \
+	while read p p1; do if test -f $$p \
+	 || test -f $$p1 \
+	  ; then echo "$$p"; echo "$$p"; else :; fi; \
+	done | \
+	sed -e 'p;s,.*/,,;n;h' \
+	    -e 's|.*|.|' \
+	    -e 'p;x;s,.*/,,;s/$(EXEEXT)$$//;$(transform);s/$$/$(EXEEXT)/' | \
+	sed 'N;N;N;s,\n, ,g' | \
+	$(AWK) 'BEGIN { files["."] = ""; dirs["."] = 1 } \
+	  { d=$$3; if (dirs[d] != 1) { print "d", d; dirs[d] = 1 } \
+	    if ($$2 == $$4) files[d] = files[d] " " $$1; \
+	    else { print "f", $$3 "/" $$4, $$1; } } \
+	  END { for (d in files) print "f", d, files[d] }' | \
+	while read type dir files; do \
+	    if test "$$dir" = .; then dir=; else dir=/$$dir; fi; \
+	    test -z "$$files" || { \
+	    echo " $(INSTALL_PROGRAM_ENV) $(LIBTOOL) $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=install $(INSTALL_PROGRAM) $$files '$(DESTDIR)$(pkglibexecdir)$$dir'"; \
+	    $(INSTALL_PROGRAM_ENV) $(LIBTOOL) $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=install $(INSTALL_PROGRAM) $$files "$(DESTDIR)$(pkglibexecdir)$$dir" || exit $$?; \
+	    } \
+	; done
+
+uninstall-pkglibexecPROGRAMS:
+	@$(NORMAL_UNINSTALL)
+	@list='$(pkglibexec_PROGRAMS)'; test -n "$(pkglibexecdir)" || list=; \
+	files=`for p in $$list; do echo "$$p"; done | \
+	  sed -e 'h;s,^.*/,,;s/$(EXEEXT)$$//;$(transform)' \
+	      -e 's/$$/$(EXEEXT)/' \
+	`; \
+	test -n "$$list" || exit 0; \
+	echo " ( cd '$(DESTDIR)$(pkglibexecdir)' && rm -f" $$files ")"; \
+	cd "$(DESTDIR)$(pkglibexecdir)" && rm -f $$files
+
+clean-pkglibexecPROGRAMS:
+	@list='$(pkglibexec_PROGRAMS)'; test -n "$$list" || exit 0; \
+	echo " rm -f" $$list; \
+	rm -f $$list || exit $$?; \
+	test -n "$(EXEEXT)" || exit 0; \
+	list=`for p in $$list; do echo "$$p"; done | sed 's/$(EXEEXT)$$//'`; \
+	echo " rm -f" $$list; \
+	rm -f $$list
+install-sbinPROGRAMS: $(sbin_PROGRAMS)
+	@$(NORMAL_INSTALL)
+	@list='$(sbin_PROGRAMS)'; test -n "$(sbindir)" || list=; \
+	if test -n "$$list"; then \
+	  echo " $(MKDIR_P) '$(DESTDIR)$(sbindir)'"; \
+	  $(MKDIR_P) "$(DESTDIR)$(sbindir)" || exit 1; \
+	fi; \
+	for p in $$list; do echo "$$p $$p"; done | \
+	sed 's/$(EXEEXT)$$//' | \
+	while read p p1; do if test -f $$p \
+	 || test -f $$p1 \
+	  ; then echo "$$p"; echo "$$p"; else :; fi; \
+	done | \
+	sed -e 'p;s,.*/,,;n;h' \
+	    -e 's|.*|.|' \
+	    -e 'p;x;s,.*/,,;s/$(EXEEXT)$$//;$(transform);s/$$/$(EXEEXT)/' | \
+	sed 'N;N;N;s,\n, ,g' | \
+	$(AWK) 'BEGIN { files["."] = ""; dirs["."] = 1 } \
+	  { d=$$3; if (dirs[d] != 1) { print "d", d; dirs[d] = 1 } \
+	    if ($$2 == $$4) files[d] = files[d] " " $$1; \
+	    else { print "f", $$3 "/" $$4, $$1; } } \
+	  END { for (d in files) print "f", d, files[d] }' | \
+	while read type dir files; do \
+	    if test "$$dir" = .; then dir=; else dir=/$$dir; fi; \
+	    test -z "$$files" || { \
+	    echo " $(INSTALL_PROGRAM_ENV) $(LIBTOOL) $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=install $(INSTALL_PROGRAM) $$files '$(DESTDIR)$(sbindir)$$dir'"; \
+	    $(INSTALL_PROGRAM_ENV) $(LIBTOOL) $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=install $(INSTALL_PROGRAM) $$files "$(DESTDIR)$(sbindir)$$dir" || exit $$?; \
+	    } \
+	; done
+
+uninstall-sbinPROGRAMS:
+	@$(NORMAL_UNINSTALL)
+	@list='$(sbin_PROGRAMS)'; test -n "$(sbindir)" || list=; \
+	files=`for p in $$list; do echo "$$p"; done | \
+	  sed -e 'h;s,^.*/,,;s/$(EXEEXT)$$//;$(transform)' \
+	      -e 's/$$/$(EXEEXT)/' \
+	`; \
+	test -n "$$list" || exit 0; \
+	echo " ( cd '$(DESTDIR)$(sbindir)' && rm -f" $$files ")"; \
+	cd "$(DESTDIR)$(sbindir)" && rm -f $$files
+
+clean-sbinPROGRAMS:
+	@list='$(sbin_PROGRAMS)'; test -n "$$list" || exit 0; \
+	echo " rm -f" $$list; \
+	rm -f $$list || exit $$?; \
+	test -n "$(EXEEXT)" || exit 0; \
+	list=`for p in $$list; do echo "$$p"; done | sed 's/$(EXEEXT)$$//'`; \
+	echo " rm -f" $$list; \
+	rm -f $$list
+
+accessdb$(EXEEXT): $(accessdb_OBJECTS) $(accessdb_DEPENDENCIES) $(EXTRA_accessdb_DEPENDENCIES) 
+	@rm -f accessdb$(EXEEXT)
+	$(AM_V_CCLD)$(LINK) $(accessdb_OBJECTS) $(accessdb_LDADD) $(LIBS)
+
+catman$(EXEEXT): $(catman_OBJECTS) $(catman_DEPENDENCIES) $(EXTRA_catman_DEPENDENCIES) 
+	@rm -f catman$(EXEEXT)
+	$(AM_V_CCLD)$(LINK) $(catman_OBJECTS) $(catman_LDADD) $(LIBS)
+
+globbing$(EXEEXT): $(globbing_OBJECTS) $(globbing_DEPENDENCIES) $(EXTRA_globbing_DEPENDENCIES) 
+	@rm -f globbing$(EXEEXT)
+	$(AM_V_CCLD)$(LINK) $(globbing_OBJECTS) $(globbing_LDADD) $(LIBS)
+
+lexgrog$(EXEEXT): $(lexgrog_OBJECTS) $(lexgrog_DEPENDENCIES) $(EXTRA_lexgrog_DEPENDENCIES) 
+	@rm -f lexgrog$(EXEEXT)
+	$(AM_V_CCLD)$(LINK) $(lexgrog_OBJECTS) $(lexgrog_LDADD) $(LIBS)
+
+man$(EXEEXT): $(man_OBJECTS) $(man_DEPENDENCIES) $(EXTRA_man_DEPENDENCIES) 
+	@rm -f man$(EXEEXT)
+	$(AM_V_CCLD)$(LINK) $(man_OBJECTS) $(man_LDADD) $(LIBS)
+
+man-recode$(EXEEXT): $(man_recode_OBJECTS) $(man_recode_DEPENDENCIES) $(EXTRA_man_recode_DEPENDENCIES) 
+	@rm -f man-recode$(EXEEXT)
+	$(AM_V_CCLD)$(LINK) $(man_recode_OBJECTS) $(man_recode_LDADD) $(LIBS)
+
+manconv$(EXEEXT): $(manconv_OBJECTS) $(manconv_DEPENDENCIES) $(EXTRA_manconv_DEPENDENCIES) 
+	@rm -f manconv$(EXEEXT)
+	$(AM_V_CCLD)$(LINK) $(manconv_OBJECTS) $(manconv_LDADD) $(LIBS)
+
+mandb$(EXEEXT): $(mandb_OBJECTS) $(mandb_DEPENDENCIES) $(EXTRA_mandb_DEPENDENCIES) 
+	@rm -f mandb$(EXEEXT)
+	$(AM_V_CCLD)$(LINK) $(mandb_OBJECTS) $(mandb_LDADD) $(LIBS)
+
+manpath$(EXEEXT): $(manpath_OBJECTS) $(manpath_DEPENDENCIES) $(EXTRA_manpath_DEPENDENCIES) 
+	@rm -f manpath$(EXEEXT)
+	$(AM_V_CCLD)$(LINK) $(manpath_OBJECTS) $(manpath_LDADD) $(LIBS)
+
+whatis$(EXEEXT): $(whatis_OBJECTS) $(whatis_DEPENDENCIES) $(EXTRA_whatis_DEPENDENCIES) 
+	@rm -f whatis$(EXEEXT)
+	$(AM_V_CCLD)$(LINK) $(whatis_OBJECTS) $(whatis_LDADD) $(LIBS)
+
+zsoelim$(EXEEXT): $(zsoelim_OBJECTS) $(zsoelim_DEPENDENCIES) $(EXTRA_zsoelim_DEPENDENCIES) 
+	@rm -f zsoelim$(EXEEXT)
+	$(AM_V_CCLD)$(LINK) $(zsoelim_OBJECTS) $(zsoelim_LDADD) $(LIBS)
+
+mostlyclean-compile:
+	-rm -f *.$(OBJEXT)
+
+distclean-compile:
+	-rm -f *.tab.c
+
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/accessdb.Po@am__quote@ # am--include-marker
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/catman.Po@am__quote@ # am--include-marker
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/check_mandirs.Po@am__quote@ # am--include-marker
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/convert.Po@am__quote@ # am--include-marker
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/decompress.Po@am__quote@ # am--include-marker
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/descriptions.Po@am__quote@ # am--include-marker
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/descriptions_store.Po@am__quote@ # am--include-marker
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/globbing.Po@am__quote@ # am--include-marker
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/globbing_test.Po@am__quote@ # am--include-marker
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/lexgrog.Po@am__quote@ # am--include-marker
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/lexgrog_test.Po@am__quote@ # am--include-marker
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/man-recode.Po@am__quote@ # am--include-marker
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/man.Po@am__quote@ # am--include-marker
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/manconv.Po@am__quote@ # am--include-marker
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/manconv_client.Po@am__quote@ # am--include-marker
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/manconv_main.Po@am__quote@ # am--include-marker
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+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
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+	fi
+mostlyclean-generic:
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+
+maintainer-clean-generic:
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+distclean: distclean-recursive
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+	-rm -f ./$(DEPDIR)/catman.Po
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+
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+	am--depfiles check check-am clean clean-binPROGRAMS \
+	clean-generic clean-libtool clean-pkglibexecPROGRAMS \
+	clean-sbinPROGRAMS cscopelist-am ctags ctags-am distclean \
+	distclean-compile distclean-generic distclean-libtool \
+	distclean-tags distdir dvi dvi-am html html-am info info-am \
+	install install-am install-binPROGRAMS install-data \
+	install-data-am install-data-hook install-dvi install-dvi-am \
+	install-exec install-exec-am install-exec-hook install-html \
+	install-html-am install-info install-info-am install-man \
+	install-pdf install-pdf-am install-pkglibexecPROGRAMS \
+	install-ps install-ps-am install-sbinPROGRAMS install-strip \
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+
+
+apropos$(EXEEXT): whatis$(EXEEXT)
+	rm -f $@
+	$(LN_S) whatis$(EXEEXT) $@
+
+all-am: apropos$(EXEEXT)
+
+install-exec-hook:
+	if [ "$(man_owner)" ] && [ "$(man_mode)" = 6755 ]; then \
+		chown $(man_owner):$(man_owner) \
+			$(DESTDIR)$(bindir)/$(TRANS_MAN)$(EXEEXT) \
+			$(DESTDIR)$(bindir)/$(TRANS_MANDB)$(EXEEXT); \
+	fi
+	chmod $(man_mode) \
+		$(DESTDIR)$(bindir)/$(TRANS_MAN)$(EXEEXT) \
+		$(DESTDIR)$(bindir)/$(TRANS_MANDB)$(EXEEXT)
+	cd $(DESTDIR)$(bindir) && rm -f $(TRANS_APROPOS)$(EXEEXT) && \
+		$(LN_S) $(TRANS_WHATIS)$(EXEEXT) $(TRANS_APROPOS)$(EXEEXT)
+
+install-data-hook:
+	@if test -f $(DESTDIR)$(config_file); then \
+		echo "$(DESTDIR)$(config_file) already exists; overwrite manually if necessary"; \
+	else \
+		test -z "$(config_file_dirname)" || $(MKDIR_P) "$(DESTDIR)$(config_file_dirname)"; \
+		echo " $(INSTALL_DATA) man_db.conf $(DESTDIR)$(config_file)"; \
+		$(INSTALL_DATA) man_db.conf $(DESTDIR)$(config_file); \
+	fi
+
+uninstall-hook:
+	rm -f $(DESTDIR)$(bindir)/$(TRANS_APROPOS)$(EXEEXT)
+	@echo "Please remove $(DESTDIR)$(config_file) manually if necessary"
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/src/accessdb.c b/src/accessdb.c
new file mode 100644
index 0000000..4b7adf5
--- /dev/null
+++ b/src/accessdb.c
@@ -0,0 +1,175 @@
+/*
+ * accessdb.c: show every key/content pair in the database.
+ *
+ * Copyright (C) 1994, 1995 Graeme W. Wilford. (Wilf.)
+ * Copyright (C) 2002 Colin Watson.
+ *
+ * This file is part of man-db.
+ *
+ * man-db is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * man-db is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with man-db; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ * Tue Apr 26 12:56:44 BST 1994  Wilf. (G.Wilford@ee.surrey.ac.uk)
+ */
+
+#ifdef HAVE_CONFIG_H
+#  include "config.h"
+#endif /* HAVE_CONFIG_H */
+
+#include <stdbool.h>
+#include <stdio.h>
+#include <errno.h>
+#include <string.h>
+#include <stdlib.h>
+
+#include "argp.h"
+#include "attribute.h"
+#include "progname.h"
+#include "xalloc.h"
+#include "xvasprintf.h"
+
+#include "gettext.h"
+#define _(String) gettext (String)
+#define N_(String) gettext_noop (String)
+
+#include "manconfig.h"
+
+#include "debug.h"
+#include "fatal.h"
+#include "util.h"
+
+#include "mydbm.h"
+
+const char *cat_root;
+
+char *database;
+
+const char *argp_program_version = "accessdb " PACKAGE_VERSION;
+const char *argp_program_bug_address = PACKAGE_BUGREPORT;
+error_t argp_err_exit_status = FAIL;
+
+static const char args_doc[] = N_("[MAN DATABASE]");
+static const char doc[] = "\v" N_("The man database defaults to %s%s.");
+
+static struct argp_option options[] = {
+	OPT ("debug", 'd', 0, N_ ("emit debugging messages")),
+	OPT_HELP_COMPAT,
+	{0}
+};
+
+static error_t parse_opt (int key, char *arg, struct argp_state *state)
+{
+	switch (key) {
+		case 'd':
+			debug_level = true;
+			return 0;
+		case 'h':
+			argp_state_help (state, state->out_stream,
+					 ARGP_HELP_STD_HELP &
+					 ~ARGP_HELP_PRE_DOC);
+			break;
+		case ARGP_KEY_ARG:
+			if (database)
+				argp_usage (state);
+			database = arg;
+			return 0;
+		case ARGP_KEY_NO_ARGS:
+			database = mkdbname (cat_root);
+			return 0;
+	}
+	return ARGP_ERR_UNKNOWN;
+}
+
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wformat-nonliteral"
+static char *help_filter (int key, const char *text, void *input MAYBE_UNUSED)
+{
+	switch (key) {
+		case ARGP_KEY_HELP_PRE_DOC:
+			/* We have no pre-options help text, but the input
+			 * text may contain header junk due to gettext ("").
+			 */
+			return NULL;
+		case ARGP_KEY_HELP_POST_DOC:
+			return xasprintf (text, cat_root, MAN_DB);
+		default:
+			return (char *) text;
+	}
+}
+#pragma GCC diagnostic pop
+
+static struct argp argp = { options, parse_opt, args_doc, doc, 0,
+			    help_filter };
+
+int main (int argc, char *argv[])
+{
+	MYDBM_FILE dbf;
+	datum key;
+	int ret = OK;
+
+	set_program_name (argv[0]);
+
+	init_debug ();
+	init_locale ();
+
+	if (is_directory (FHS_CAT_ROOT) == 1)
+		cat_root = FHS_CAT_ROOT;
+	else if (is_directory (CAT_ROOT) == 1)
+		cat_root = CAT_ROOT;
+
+	if (argp_parse (&argp, argc, argv, 0, 0, 0))
+		exit (FAIL);
+
+	dbf = MYDBM_NEW (database);
+	if (!MYDBM_RDOPEN (dbf) || dbver_rd (dbf)) {
+		MYDBM_FREE (dbf);
+		dbf = NULL;
+	}
+	if (!dbf)
+		fatal (errno, _("can't open %s for reading"), database);
+
+	key = MYDBM_FIRSTKEY (dbf);
+
+	while (MYDBM_DPTR (key) != NULL) {
+		datum content, nextkey;
+		char *t, *nicekey;
+
+		content = MYDBM_FETCH (dbf, key);
+		if (!MYDBM_DPTR (content)) {
+			debug ("key %s has no content!\n", MYDBM_DPTR (key));
+			ret = FATAL;
+			goto next;
+		}
+		nicekey = xstrdup (MYDBM_DPTR (key));
+		while ( (t = strchr (nicekey, '\t')) )
+			*t = '~';
+		while ( (t = strchr (MYDBM_DPTR (content), '\t')) )
+			*t = ' ';
+		printf ("%s -> \"%s\"\n", nicekey, MYDBM_DPTR (content));
+		free (nicekey);
+#pragma GCC diagnostic push
+#if GNUC_PREREQ(10,0)
+#  pragma GCC diagnostic ignored "-Wanalyzer-double-free"
+#endif
+		MYDBM_FREE_DPTR (content);
+next:
+		nextkey = MYDBM_NEXTKEY (dbf, key);
+		MYDBM_FREE_DPTR (key);
+#pragma GCC diagnostic pop
+		key = nextkey;
+	}
+
+	MYDBM_FREE (dbf);
+	exit (ret);
+}
diff --git a/src/catman.c b/src/catman.c
new file mode 100644
index 0000000..e421d21
--- /dev/null
+++ b/src/catman.c
@@ -0,0 +1,448 @@
+/*
+ * catman.c: create and/or update cat files
+ *
+ * Copyright (C) 1994, 1995 Graeme W. Wilford. (Wilf.)
+ * Copyright (C) 2001, 2002, 2003, 2006, 2007, 2008, 2009, 2010, 2011
+ *               Colin Watson.
+ *
+ * This file is part of man-db.
+ *
+ * man-db is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * man-db is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with man-db; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ * Thu Dec  8 00:03:12 GMT 1994  Wilf. (G.Wilford@ee.surrey.ac.uk)
+ */
+
+/* MAX_ARGS must be >= 7, 5 for options, 1 for page and 1 for NULL */
+#define MAX_ARGS	1024
+
+#ifdef HAVE_CONFIG_H
+#  include "config.h"
+#endif /* HAVE_CONFIG_H */
+
+#include <stdbool.h>
+#include <stdio.h>
+#include <assert.h>
+#include <sys/types.h>
+#include <errno.h>
+#include <string.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <limits.h>
+
+#ifndef NAME_MAX
+#  if defined(_POSIX_VERSION) && defined(_POSIX_NAME_MAX)
+#    define NAME_MAX _POSIX_NAME_MAX
+#  else /* !_POSIX_VERSION */
+#    ifdef MAXNAMLEN
+#      define NAME_MAX MAXNAMLEN
+#    else /* !MAXNAMLEN */
+#      define NAME_MAX 255 		/* default to max */
+#    endif /* MAXNAMLEN */
+#  endif /* _POSIX_VERSION */
+#endif /* !NAME_MAX */
+
+#ifndef ARG_MAX
+#  if defined(_POSIX_VERSION) && defined(_POSIX_ARG_MAX)
+#    define ARG_MAX _POSIX_ARG_MAX
+#  else /* !_POSIX_VERSION */
+#    define ARG_MAX 4096 		/* default to min */
+#  endif /* _POSIX_VERSION */
+#endif /* !ARG_MAX */
+
+#include "argp.h"
+#include "error.h"
+#include "gl_list.h"
+#include "progname.h"
+#include "xalloc.h"
+
+#include "gettext.h"
+#include <locale.h>
+#define _(String) gettext (String)
+#define N_(String) gettext_noop (String)
+
+#include "manconfig.h"
+
+#include "appendstr.h"
+#include "cleanup.h"
+#include "debug.h"
+#include "fatal.h"
+#include "filenames.h"
+#include "glcontainers.h"
+#include "pipeline.h"
+#include "util.h"
+
+#include "mydbm.h"
+#include "db_storage.h"
+
+#include "manp.h"
+
+/* globals */
+int quiet = 1;
+MYDBM_FILE dbf_close_post_fork;
+char *manp;
+extern char *user_config_file;
+
+static const char **sections;
+
+const char *argp_program_version = "catman " PACKAGE_VERSION;
+const char *argp_program_bug_address = PACKAGE_BUGREPORT;
+error_t argp_err_exit_status = FAIL;
+
+static const char args_doc[] = N_("[SECTION...]");
+
+static struct argp_option options[] = {
+	OPT ("debug", 'd', 0, N_("emit debugging messages")),
+	OPT ("manpath", 'M', N_("PATH"),
+	     N_("set search path for manual pages to PATH")),
+	OPT ("config-file", 'C', N_("FILE"),
+	     N_("use this user configuration file")),
+	OPT_HELP_COMPAT,
+	{ 0 }
+};
+
+static error_t parse_opt (int key, char *arg, struct argp_state *state)
+{
+	char *mansect;
+
+	switch (key) {
+		case 'd':
+			debug_level = true;
+			return 0;
+		case 'M':
+			manp = arg;
+			return 0;
+		case 'C':
+			user_config_file = arg;
+			return 0;
+		case 'h':
+			argp_state_help (state, state->out_stream,
+					 ARGP_HELP_STD_HELP);
+			break;
+		case ARGP_KEY_ARGS:
+			sections = xmalloc ((state->argc - state->next + 1) *
+					    sizeof *sections);
+			memcpy (sections, state->argv + state->next,
+				(state->argc - state->next) *
+				sizeof *sections);
+			sections[state->argc - state->next] = NULL;
+			return 0;
+		case ARGP_KEY_NO_ARGS:
+			mansect = getenv ("MANSECT");
+			if (mansect && *mansect) {
+				/* MANSECT contains sections */
+				const char *sec;
+				int i = 0;
+
+				mansect = xstrdup (mansect);
+				sections = NULL;
+				for (sec = strtok (mansect, ":"); sec;
+				     sec = strtok (NULL, ":")) {
+					sections = xnrealloc
+						(sections, i + 2,
+						 sizeof *sections);
+					sections[i++] = sec;
+				}
+				if (sections)
+					sections[i] = NULL;
+				free (mansect);
+			} else {
+				/* use default sections */
+				static const char *std_sections[] =
+					STD_SECTIONS;
+				sections = std_sections;
+			}
+			return 0;
+	}
+	return ARGP_ERR_UNKNOWN;
+}
+
+static struct argp argp = { options, parse_opt, args_doc };
+
+static char *locale;
+
+static gl_list_t manpathlist;
+
+static void post_fork (void)
+{
+	pop_all_cleanups ();
+	MYDBM_FREE (dbf_close_post_fork);
+}
+
+/* Execute man with the appropriate catman args.  Always frees cmd. */
+static void catman (pipecmd *cmd)
+{
+	pipeline *p;
+	int status;
+
+	if (debug_level) {
+		/* just show the command, but don't execute it */
+		fputs ("man command = ", stderr);
+		pipecmd_dump (cmd, stderr);
+		putc ('\n', stderr);
+		pipecmd_free (cmd);
+		return;
+	}
+
+	p = pipeline_new_commands (cmd, (void *) 0);
+	status = pipeline_run (p);
+	if (status)
+		error (CHILD_FAIL, 0,
+		       _("man command failed with exit status %d"), status);
+}
+
+/* Add key to this command, stripping off tab-and-following if necessary.
+ * Return length of argument.
+ */
+static size_t add_arg (pipecmd *cmd, datum key)
+{
+	char *tab;
+	size_t len;
+
+	tab = strrchr (MYDBM_DPTR (key), '\t');
+	if (tab == MYDBM_DPTR (key))
+		tab = NULL;
+
+	if (tab)
+		*tab = '\0';
+	pipecmd_arg (cmd, MYDBM_DPTR (key));
+	len = strlen (MYDBM_DPTR (key));
+	debug ("key: '%s' (%zu), len: %zu\n",
+	       MYDBM_DPTR (key), (size_t) MYDBM_DSIZE (key), len);
+	if (tab)
+		*tab = '\t';
+
+	return len;
+}
+
+/* find all pages that are in the supplied manpath and section and that are
+   ultimate source files. */
+static int parse_for_sec (MYDBM_FILE dbf,
+			  const char *manpath, const char *section)
+{
+	pipecmd *basecmd, *cmd;
+	datum key;
+	size_t arg_size, initial_bit;
+	bool message = true;
+	int first_arg;
+
+	basecmd = pipecmd_new (MAN);
+	pipecmd_clearenv (basecmd);
+
+	/* As we supply a NULL environment to save precious execve() space,
+	   we must also supply a locale if necessary */
+	if (locale) {
+		pipecmd_args (basecmd, "-L", locale, (void *) 0);
+		initial_bit = sizeof "-L" + strlen (locale) + 1;
+	} else
+		initial_bit = 0;
+
+	pipecmd_args (basecmd, "-caM", manpath, (void *) 0);	/* manpath */
+	pipecmd_args (basecmd, "-S", section, (void *) 0);	/* section */
+
+	initial_bit += sizeof MAN + sizeof "-caM" +
+		       strlen (manpath) + strlen (section) + 2;
+
+	cmd = pipecmd_dup (basecmd);
+	first_arg = pipecmd_get_nargs (cmd);
+
+	arg_size = initial_bit;
+	key = MYDBM_FIRSTKEY (dbf);
+
+	while (MYDBM_DPTR (key) != NULL) {
+		datum nextkey;
+
+		/* ignore db identifier keys */
+#pragma GCC diagnostic push
+#if GNUC_PREREQ(10,0)
+#  pragma GCC diagnostic ignored "-Wanalyzer-use-after-free"
+#endif
+		if (*MYDBM_DPTR (key) != '$') {
+#pragma GCC diagnostic pop
+			datum content;
+
+			content = MYDBM_FETCH (dbf, key);
+
+			if (!MYDBM_DPTR (content))
+				fatal (0,
+				       _( "NULL content for key: %s"),
+				       MYDBM_DPTR (key));
+
+			/* ignore overflow entries */
+#pragma GCC diagnostic push
+#if GNUC_PREREQ(10,0)
+#  pragma GCC diagnostic ignored "-Wanalyzer-use-after-free"
+#endif
+			if (*MYDBM_DPTR (content) != '\t') {
+#pragma GCC diagnostic pop
+				struct mandata *entry;
+
+				entry = split_content (dbf,
+						       MYDBM_DPTR (content));
+
+				/* Accept if the entry is an ultimate manual
+				   page and the section matches the one we're
+				   currently dealing with */
+				if (entry->id == ULT_MAN &&
+				    strcmp (entry->sec, section) == 0) {
+					if (message) {
+						printf (_("\nUpdating cat files for section %s of man hierarchy %s\n"),
+							section, manpath);
+						message = false;
+					}
+
+					arg_size += add_arg (cmd, key) + 1;
+
+					debug ("arg space free: %zu bytes\n",
+					       ARG_MAX - arg_size);
+
+					/* Check to see if we have enough room
+					   to add another max sized filename
+					   and that we haven't run out of array
+					   space too */
+				    	if (arg_size >= ARG_MAX - NAME_MAX ||
+				    	    pipecmd_get_nargs (cmd) ==
+						    MAX_ARGS) {
+						catman (cmd);
+
+						cmd = pipecmd_dup (basecmd);
+				    		arg_size = initial_bit;
+				    	}
+				}
+
+				free_mandata_struct (entry);
+			}
+
+			/* we don't need the content ever again */
+			assert (MYDBM_DPTR (content)); /* just to be sure */
+			MYDBM_FREE_DPTR (content);
+		}
+
+		nextkey = MYDBM_NEXTKEY (dbf, key);
+		MYDBM_FREE_DPTR (key);
+		key = nextkey;
+	}
+
+	if (pipecmd_get_nargs (cmd) > first_arg)
+		catman (cmd);
+	else
+		pipecmd_free (cmd);
+
+	pipecmd_free (basecmd);
+
+	return 0;
+}
+
+static bool check_access (const char *directory)
+{
+	if (!CAN_ACCESS (directory, W_OK)) {
+		error (0, errno, _("cannot write within %s"), directory);
+		return true;
+	}
+
+	return false;
+}
+
+int main (int argc, char *argv[])
+{
+	char *sys_manp;
+	char *mp;
+	const char **sp;
+
+	set_program_name (argv[0]);
+
+	init_debug ();
+	pipeline_install_post_fork (post_fork);
+
+	init_locale ();
+	locale = setlocale (LC_MESSAGES, NULL);
+	if (locale)
+		locale = xstrdup (locale);
+	else
+		locale = xstrdup ("C");
+
+	if (argp_parse (&argp, argc, argv, 0, 0, 0))
+		exit (FAIL);
+
+	for (sp = sections; sp && *sp; sp++)
+		debug ("sections: %s\n", *sp);
+
+	/* Deal with the MANPATH */
+
+	/* This is required for get_catpath(), regardless */
+	sys_manp = get_manpath (NULL);
+
+	/* pick up the system manpath or use the supplied one */
+	if (!manp) {
+		manp = get_mandb_manpath ();
+		if (!manp)
+			manp = sys_manp;
+	}
+
+	/* get the manpath as a list of pointers */
+	manpathlist = create_pathlist (manp);
+
+	GL_LIST_FOREACH (manpathlist, mp) {
+		char *catpath, *database;
+		MYDBM_FILE dbf;
+		size_t len;
+
+		catpath = get_catpath (mp, SYSTEM_CAT | USER_CAT);
+
+		if (catpath) {
+			if (is_directory (catpath) != 1) {
+				free (catpath);
+				continue;
+			}
+			database = mkdbname (catpath);
+		} else {
+			if (is_directory (mp) != 1)
+				continue;
+			database = mkdbname (mp);
+			catpath = xstrdup (mp);
+		}
+		dbf = MYDBM_NEW (database);
+		if (!MYDBM_RDOPEN (dbf) || dbver_rd (dbf)) {
+			error (0, errno, _("cannot read database %s"),
+			       database);
+			goto next;
+		}
+		dbf_close_post_fork = dbf;
+
+		len = strlen (catpath);
+
+		for (sp = sections; sp && *sp; sp++) {
+			*(catpath + len) = '\0';
+			catpath = appendstr (catpath, "/cat", *sp, (void *) 0);
+			if (is_directory (catpath) != 1)
+				continue;
+			if (check_access (catpath))
+				continue;
+			if (parse_for_sec (dbf, mp, *sp)) {
+				error (0, 0, _("unable to update %s"), mp);
+				break;
+			}
+		}
+
+next:
+		dbf_close_post_fork = NULL;
+		MYDBM_FREE (dbf);
+		free (database);
+		free (catpath);
+	}
+
+	free_pathlist (manpathlist);
+	free (locale);
+	exit (OK);
+}
diff --git a/src/check_mandirs.c b/src/check_mandirs.c
new file mode 100644
index 0000000..75c6f5e
--- /dev/null
+++ b/src/check_mandirs.c
@@ -0,0 +1,1018 @@
+/*
+ * check_mandirs.c: used to auto-update the database caches
+ *
+ * Copyright (C) 1994, 1995 Graeme W. Wilford. (Wilf.)
+ * Copyright (C) 2001, 2002, 2003, 2004, 2007, 2008, 2009, 2010, 2011
+ *               Colin Watson.
+ *
+ * This file is part of man-db.
+ *
+ * man-db is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * man-db is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with man-db; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ * Mon May  2 17:36:33 BST 1994  Wilf. (G.Wilford@ee.surrey.ac.uk)
+ *
+ * CJW: Many changes to whatis parsing. Added database purging.
+ * See ChangeLog for details.
+ */
+
+#ifdef HAVE_CONFIG_H
+#  include "config.h"
+#endif /* HAVE_CONFIG_H */
+
+#include <assert.h>
+#include <stdbool.h>
+#include <string.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <time.h>
+#include <errno.h>
+#include <ctype.h>
+#include <dirent.h>
+#include <unistd.h>
+
+#include "attribute.h"
+#include "dirname.h"
+#include "error.h"
+#include "gl_array_list.h"
+#include "gl_hash_map.h"
+#include "gl_xlist.h"
+#include "gl_xmap.h"
+#include "stat-time.h"
+#include "timespec.h"
+#include "xalloc.h"
+#include "xvasprintf.h"
+
+#include "gettext.h"
+#define _(String) gettext (String)
+
+#include "manconfig.h"
+
+#include "appendstr.h"
+#include "compression.h"
+#include "debug.h"
+#include "fatal.h"
+#include "filenames.h"
+#include "glcontainers.h"
+#include "orderfiles.h"
+#include "security.h"
+#include "util.h"
+
+#include "mydbm.h"
+#include "db_storage.h"
+
+#include "descriptions.h"
+#include "globbing.h"
+#include "lexgrog.h"
+#include "manp.h"
+#include "ult_src.h"
+#include "check_mandirs.h"
+
+bool opt_test;		/* don't update db */
+int pages;
+bool force_rescan = false;
+
+gl_map_t whatis_map = NULL;
+
+struct whatis {
+	char *whatis;
+	char *filters;
+};
+
+static void whatis_free (const void *value)
+{
+	struct whatis *whatis = (struct whatis *) value;
+
+	free (whatis->whatis);
+	free (whatis->filters);
+	free (whatis);
+}
+
+static void gripe_multi_extensions (const char *path, const char *sec,
+				    const char *name, const char *ext)
+{
+	if (quiet < 2)
+		error (0, 0,
+		       _("warning: %s/man%s/%s.%s*: competing extensions"),
+		       path, sec, name, ext);
+}
+
+/* Test whether an errno value is EAGAIN or (on systems where it differs)
+ * EWOULDBLOCK.  This is a separate function mainly in order to be able to
+ * control GCC diagnostics in one place.
+ */
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wlogical-op"
+static inline bool is_eagain (int err)
+{
+	return err == EAGAIN || err == EWOULDBLOCK;
+}
+#pragma GCC diagnostic pop
+
+static void gripe_rwopen_failed (MYDBM_FILE dbf)
+{
+	if (errno == EACCES || errno == EROFS)
+		debug ("database %s is read-only\n", dbf->name);
+	else if (is_eagain (errno))
+		debug ("database %s is locked by another process\n", dbf->name);
+	else {
+#ifdef MAN_DB_UPDATES
+		if (!quiet)
+#endif /* MAN_DB_UPDATES */
+			error (0, errno, _("can't update index cache %s"),
+			       dbf->name);
+	}
+}
+
+static bool ensure_db_open (MYDBM_FILE dbf)
+{
+	if (dbf->file)
+		return true;
+	if (!MYDBM_RWOPEN (dbf))
+		return false;
+	return true;
+}
+
+/* Take absolute filename and path (for ult_src) and do sanity checks on
+ * file. Also check that file is non-zero in length and is not already in
+ * the db. If not, find its ult_src() and see if we have the whatis cached,
+ * otherwise cache it in case we trace another manpage back to it. Next,
+ * store it in the db along with any references found in the whatis.
+ */
+void test_manfile (MYDBM_FILE dbf, const char *file, const char *path)
+{
+	char *manpage_base;
+	const struct ult_value *ult;
+	struct lexgrog lg;
+	struct mandata *info, *exists;
+	struct compression *comp;
+	struct stat buf;
+	size_t len;
+	const struct whatis *whatis;
+
+	debug ("\ntest_manfile: considering %s\n", file);
+
+	memset (&lg, 0, sizeof (struct lexgrog));
+
+	info = filename_info (file, quiet < 2);
+	if (!info)
+		return;
+	manpage_base = info->name; /* steal memory */
+	info->name = NULL;
+
+	comp = comp_info (file, true);
+	if (comp) {
+		len = strlen (comp->stem);
+		free (comp->stem);
+	} else
+		len = strlen (file);
+
+	/* to get mtime info */
+	(void) lstat (file, &buf);
+	info->mtime = get_stat_mtime (&buf);
+
+	/* check that our file actually contains some data */
+	if (buf.st_size == 0) {
+		/* man-db pre 2.3 place holder ? */
+		free_mandata_struct (info);
+		return;
+	}
+
+	/* Check for multiple pages whose details match except for having
+	 * different compression extensions.
+	 */
+	exists = dblookup_exact (dbf, manpage_base, info->ext, true);
+	if (exists && !STREQ (exists->comp, info->comp ? info->comp : "-")) {
+		char *abs_filename;
+
+		/* If the cached file still exists, then we have a collision:
+		 * two pages that only differ by compression extension.
+		 */
+		abs_filename = make_filename (path, NULL, exists, "man");
+		if (!abs_filename) {
+			if (!opt_test)
+				dbdelete (dbf, manpage_base, exists);
+		} else {
+			gripe_multi_extensions (path, exists->sec,
+						manpage_base, exists->ext);
+			free (abs_filename);
+			free_mandata_struct (exists);
+			free_mandata_struct (info);
+			return;
+		}
+	}
+	free_mandata_struct (exists);
+
+	/* Trace the file to its ultimate source, otherwise we'll be
+	 * looking for whatis info in files containing only '.so
+	 * manx/foo.x', which will give us an unobtainable whatis
+	 * for the entry. */
+	ult = ult_src (file, path, &buf, SO_LINK | SOFT_LINK | HARD_LINK);
+
+	if (!ult) {
+		if (quiet < 2)
+			error (0, 0,
+			       _("warning: %s: bad symlink or ROFF `.so' request"),
+			       file);
+		free_mandata_struct (info);
+		return;
+	}
+
+	pages++;			/* pages seen so far */
+
+	if (strncmp (ult->path, file, len) == 0)
+		info->id = ULT_MAN;	/* ultimate source file */
+	else
+		info->id = SO_MAN;	/* .so, sym or hard linked file */
+
+	/* Ok, here goes: Use a hash tree to store the ult_srcs with
+	 * their whatis. Anytime after, check the hash tree, if it's there,
+	 * use it. This saves us a find_name() which is a real hog.
+	 *
+	 * Use the full path in ult->path as the hash key so we don't have
+	 * to clear the hash between calls.
+	 */
+
+	if (!whatis_map)
+		whatis_map = new_string_map (GL_HASH_MAP, whatis_free);
+
+	whatis = gl_map_get (whatis_map, ult->path);
+	if (whatis) {
+		lg.whatis = whatis->whatis ? xstrdup (whatis->whatis) : NULL;
+		lg.filters =
+			whatis->filters ? xstrdup (whatis->filters) : NULL;
+	} else {
+		/* Cache miss; go and get the whatis info in its raw state. */
+		char *file_base = base_name (file);
+		struct whatis *new_whatis;
+
+		if (!STRNEQ (ult->path, file, len))
+			debug ("test_manfile: link not in cache:\n"
+			       " source = %s\n"
+			       " target = %s\n", file, ult->path);
+
+		lg.type = MANPAGE;
+		drop_effective_privs ();
+		find_name (ult->path, file_base, &lg, NULL);
+		free (file_base);
+		regain_effective_privs ();
+
+		new_whatis = XMALLOC (struct whatis);
+		new_whatis->whatis = lg.whatis ? xstrdup (lg.whatis) : NULL;
+		new_whatis->filters = lg.filters ? xstrdup (lg.filters) : NULL;
+		gl_map_put (whatis_map, xstrdup (ult->path), new_whatis);
+	}
+
+	debug ("\"%s\"\n", lg.whatis);
+
+	/* split up the raw whatis data and store references */
+	info->pointer = NULL;	/* direct page, so far */
+	info->filter = lg.filters;
+	if (lg.whatis) {
+		gl_list_t descs = parse_descriptions (manpage_base, lg.whatis);
+		if (!opt_test)
+			store_descriptions (dbf, descs, info, path,
+					    manpage_base, ult->trace);
+		gl_list_free (descs);
+	} else if (quiet < 2) {
+		(void) stat (ult->path, &buf);
+		if (buf.st_size == 0)
+			error (0, 0, _("warning: %s: ignoring empty file"),
+			       ult->path);
+		else
+			error (0, 0,
+			       _("warning: %s: whatis parse for %s(%s) failed"),
+			       ult->path, manpage_base, info->ext);
+	}
+
+	free_mandata_struct (info);
+	free (lg.whatis);
+}
+
+static void add_dir_entries (MYDBM_FILE dbf, const char *path, char *infile)
+{
+	char *manpage;
+	int len;
+	struct dirent *newdir;
+	DIR *dir;
+	gl_list_t names;
+	const char *name;
+
+	manpage = xasprintf ("%s/%s/", path, infile);
+	assert (manpage);
+	len = strlen (manpage);
+
+	/*
+	 * All filename entries in this dir should either be valid manpages
+	 * or . files (such as current, parent dir).
+	 */
+
+	dir = opendir (infile);
+	if (!dir) {
+		error (0, errno, _("can't search directory %s"), manpage);
+		free (manpage);
+                return;
+        }
+
+	names = new_string_list (GL_ARRAY_LIST, false);
+
+        /* strlen(newdir->d_name) could be replaced by newdir->d_reclen */
+
+	while ((newdir = readdir (dir)) != NULL) {
+		if (*newdir->d_name == '.' &&
+		    strlen (newdir->d_name) < (size_t) 3)
+			continue;
+		gl_list_add_last (names, xstrdup (newdir->d_name));
+	}
+	closedir (dir);
+
+	order_files (infile, &names);
+
+	GL_LIST_FOREACH (names, name) {
+		manpage = appendstr (manpage, name, (void *) 0);
+		test_manfile (dbf, manpage, path);
+		*(manpage + len) = '\0';
+	}
+
+	gl_list_free (names);
+	free (manpage);
+}
+
+#ifdef MAN_OWNER
+extern uid_t uid;			/* current effective user id */
+extern gid_t gid;			/* current effective group id */
+
+/* Fix a path's ownership if possible and necessary. */
+void chown_if_possible (const char *path)
+{
+	struct stat st;
+	struct passwd *man_owner = get_man_owner ();
+
+	if (lstat (path, &st) != 0)
+		return;
+
+	if ((uid == 0 ||
+	     (uid == man_owner->pw_uid && st.st_uid == man_owner->pw_uid &&
+	      gid == man_owner->pw_gid)) &&
+	    (st.st_uid != man_owner->pw_uid ||
+	     st.st_gid != man_owner->pw_gid)) {
+		debug ("fixing ownership of %s\n", path);
+		if (lchown (path, man_owner->pw_uid, man_owner->pw_gid) < 0)
+			fatal (0, _("can't chown %s"), path);
+	}
+}
+#else /* !MAN_OWNER */
+void chown_if_possible (const char *path MAYBE_UNUSED)
+{
+}
+#endif /* MAN_OWNER */
+
+/* create the catman hierarchy if it doesn't exist */
+static void mkcatdirs (const char *mandir, const char *catdir)
+{
+	char *manname, *catname;
+
+	if (catdir) {
+		int oldmask = umask (022);
+		/* first the base catdir */
+		if (is_directory (catdir) != 1) {
+			regain_effective_privs ();
+			if (mkdir (catdir, 0755) < 0) {
+				if (!quiet)
+					error (0, 0,
+					       _("warning: cannot create catdir %s"),
+					       catdir);
+				debug ("warning: cannot create catdir %s\n",
+				       catdir);
+			} else
+				debug ("created base catdir %s\n", catdir);
+			chown_if_possible (catdir);
+			drop_effective_privs ();
+		}
+		/* then the hierarchy */
+		catname = xasprintf ("%s/cat1", catdir);
+		manname = xasprintf ("%s/man1", mandir);
+		if (is_directory (catdir) == 1) {
+			int j;
+			regain_effective_privs ();
+			debug ("creating catdir hierarchy %s	", catdir);
+			for (j = 1; j <= 9; j++) {
+				catname[strlen (catname) - 1] = '0' + j;
+				manname[strlen (manname) - 1] = '0' + j;
+				if ((is_directory (manname) == 1)
+				 && (is_directory (catname) != 1)) {
+					if (mkdir (catname, 0755) < 0) {
+						if (!quiet)
+							error (0, 0, _("warning: cannot create catdir %s"), catname);
+						debug ("warning: cannot create catdir %s\n", catname);
+					} else
+						debug (" cat%d", j);
+					chown_if_possible (catname);
+				}
+			}
+			debug ("\n");
+			drop_effective_privs ();
+		}
+		free (catname);
+		free (manname);
+		umask (oldmask);
+	}
+}
+
+/* We used to install cat directories with the setgid bit set, but this
+ * wasn't very useful and introduces the ability to escalate privileges to
+ * that group:
+ *   https://www.halfdog.net/Security/2015/SetgidDirectoryPrivilegeEscalation/
+ */
+static void fix_permissions (const char *dir)
+{
+	struct stat st;
+
+	if (stat (dir, &st) == 0) {
+		if ((st.st_mode & S_ISGID) != 0) {
+			int status;
+
+			debug ("removing setgid bit from %s\n", dir);
+			status = chmod (dir, st.st_mode & ~S_ISGID);
+			if (status)
+				error (0, errno, _("can't chmod %s"), dir);
+		}
+
+		chown_if_possible (dir);
+	}
+}
+
+static void fix_permissions_tree (const char *catdir)
+{
+	if (is_directory (catdir) == 1) {
+		char *catname;
+		int i;
+
+		fix_permissions (catdir);
+		catname = xasprintf ("%s/cat1", catdir);
+		assert (catname);
+		for (i = 1; i <= 9; ++i) {
+			catname[strlen (catname) - 1] = '0' + i;
+			fix_permissions (catname);
+		}
+		free (catname);
+	}
+}
+
+/*
+ * accepts the raw man dir tree eg. "/usr/man" and the time stored in the db
+ * any dirs of the tree that have been modified (ie added to) will then be
+ * scanned for new files, which are then added to the db.
+ */
+static int testmandirs (MYDBM_FILE dbf, const char *path, const char *catpath,
+			struct timespec last, bool create)
+{
+	DIR *dir;
+	struct dirent *mandir;
+	int amount = 0;
+	bool created = false;
+
+	debug ("Testing %s for new files\n", path);
+
+	if (catpath)
+		fix_permissions_tree (catpath);
+
+	dir = opendir (path);
+	if (!dir) {
+		error (0, errno, _("can't search directory %s"), path);
+		return 0;
+	}
+
+	if (chdir (path) != 0) {
+		error (0, errno, _("can't change to directory %s"), path);
+		closedir (dir);
+		return 0;
+	}
+
+	while( (mandir = readdir (dir)) ) {
+		struct stat stbuf;
+		struct timespec mtime;
+
+		if (strncmp (mandir->d_name, "man", 3) != 0)
+			continue;
+
+		debug ("Examining %s\n", mandir->d_name);
+
+		if (stat (mandir->d_name, &stbuf) != 0)	/* stat failed */
+			continue;
+		if (!S_ISDIR(stbuf.st_mode))		/* not a directory */
+			continue;
+		mtime = get_stat_mtime (&stbuf);
+		if (last.tv_sec && timespec_cmp (mtime, last) <= 0) {
+			/* scanned already */
+			debug ("%s modified %ld.%09ld, "
+			       "db modified %ld.%09ld\n",
+			       mandir->d_name,
+			       (long) mtime.tv_sec, (long) mtime.tv_nsec,
+			       (long) last.tv_sec, (long) last.tv_nsec);
+			continue;
+		}
+
+		debug ("\tsubdirectory %s has been 'modified'\n",
+		       mandir->d_name);
+
+		if (create && !created) {
+			/* We seem to have something to do, so create the
+			 * database now.
+			 */
+			mkcatdirs (path, catpath);
+
+			/* Open the db in CTRW mode to store the $ver$ ID */
+
+			if (!MYDBM_CTRWOPEN (dbf)) {
+				if (errno == EACCES || errno == EROFS) {
+					debug ("database %s is read-only\n",
+					       dbf->name);
+					closedir (dir);
+					return 0;
+				} else {
+					error (0, errno,
+					       _("can't create index cache %s"),
+					       dbf->name);
+					closedir (dir);
+					return -1;
+				}
+			}
+
+			dbver_wr (dbf);
+
+			created = true;
+		} else if (!ensure_db_open (dbf)) {
+			gripe_rwopen_failed (dbf);
+			closedir (dir);
+			return 0;
+		}
+
+		if (!quiet) {
+			int tty = isatty (STDERR_FILENO);
+
+			if (tty)
+				fprintf (stderr, "\r");
+			fprintf (stderr,
+				 _("Updating index cache for path "
+				   "`%s/%s'. Wait..."), path, mandir->d_name);
+			if (!tty)
+				fprintf (stderr, "\n");
+		}
+		add_dir_entries (dbf, path, mandir->d_name);
+		amount++;
+	}
+	closedir (dir);
+
+	return amount;
+}
+
+/* routine to prepare/create the db prior to calling testmandirs() */
+int create_db (MYDBM_FILE dbf, const char *manpath, const char *catpath)
+{
+	struct timespec time_zero;
+	int amount;
+
+	debug ("create_db(%s): %s\n", manpath, dbf->name);
+
+	time_zero.tv_sec = 0;
+	time_zero.tv_nsec = 0;
+	amount = testmandirs (dbf, manpath, catpath, time_zero, true);
+
+	if (amount > 0 && !quiet)
+		fputs (_("done.\n"), stderr);
+
+	return amount;
+}
+
+/* Make sure an existing database is essentially sane. */
+static bool sanity_check_db (MYDBM_FILE dbf)
+{
+	datum key;
+
+	if (dbver_rd (dbf))
+		return false;
+
+	key = MYDBM_FIRSTKEY (dbf);
+	while (MYDBM_DPTR (key) != NULL) {
+		datum content, nextkey;
+
+		content = MYDBM_FETCH (dbf, key);
+		if (!MYDBM_DPTR (content)) {
+			debug ("warning: %s has a key with no content (%s); "
+			       "rebuilding\n", dbf->name, MYDBM_DPTR (key));
+			MYDBM_FREE_DPTR (key);
+			return false;
+		}
+#pragma GCC diagnostic push
+#if GNUC_PREREQ(10,0)
+#  pragma GCC diagnostic ignored "-Wanalyzer-double-free"
+#endif
+		MYDBM_FREE_DPTR (content);
+		nextkey = MYDBM_NEXTKEY (dbf, key);
+		MYDBM_FREE_DPTR (key);
+#pragma GCC diagnostic pop
+		key = nextkey;
+	}
+
+	return true;
+}
+
+/* routine to update the db, ensure that it is consistent with the
+   filesystem */
+int update_db (MYDBM_FILE dbf, const char *manpath, const char *catpath)
+{
+	struct timespec mtime;
+	int new;
+
+	if (!ensure_db_open (dbf) || !sanity_check_db (dbf)) {
+		debug ("failed to open %s O_RDONLY\n", dbf->name);
+		return -1;
+	}
+	mtime = MYDBM_GET_TIME (dbf);
+
+	debug ("update_db(): %ld.%09ld\n",
+	       (long) mtime.tv_sec, (long) mtime.tv_nsec);
+	new = testmandirs (dbf, manpath, catpath, mtime, false);
+
+	if (new > 0 && !quiet)
+		fputs (_("done.\n"), stderr);
+
+	return new;
+}
+
+/* Purge any entries pointing to name. This currently assumes that pointers
+ * are always shallow, which may not be a good assumption yet; it should be
+ * close, though.
+ */
+void purge_pointers (MYDBM_FILE dbf, const char *name)
+{
+	datum key = MYDBM_FIRSTKEY (dbf);
+
+	debug ("Purging pointers to vanished page \"%s\"\n", name);
+
+	while (MYDBM_DPTR (key) != NULL) {
+		datum content, nextkey;
+		struct mandata *entry = NULL;
+		char *nicekey, *tab;
+
+#pragma GCC diagnostic push
+#if GNUC_PREREQ(10,0)
+#  pragma GCC diagnostic ignored "-Wanalyzer-use-after-free"
+#endif
+		/* Ignore db identifier keys. */
+		if (*MYDBM_DPTR (key) == '$')
+			goto pointers_next;
+#pragma GCC diagnostic pop
+
+		content = MYDBM_FETCH (dbf, key);
+		if (!MYDBM_DPTR (content))
+			return;
+
+		/* Get just the name. */
+		nicekey = xstrdup (MYDBM_DPTR (key));
+		tab = strchr (nicekey, '\t');
+		if (tab)
+			*tab = '\0';
+
+#pragma GCC diagnostic push
+#if GNUC_PREREQ(10,0)
+#  pragma GCC diagnostic ignored "-Wanalyzer-use-after-free"
+#endif
+		if (*MYDBM_DPTR (content) == '\t')
+			goto pointers_contentnext;
+#pragma GCC diagnostic pop
+
+		entry = split_content (dbf, MYDBM_DPTR (content));
+		if (entry->id != SO_MAN && entry->id != WHATIS_MAN)
+			goto pointers_contentnext;
+
+		if (STREQ (entry->pointer, name)) {
+			if (!opt_test)
+				dbdelete (dbf, nicekey, entry);
+			else
+				debug ("%s(%s): pointer vanished, "
+				       "would delete\n", nicekey, entry->ext);
+		}
+
+pointers_contentnext:
+		free_mandata_struct (entry);
+		free (nicekey);
+		MYDBM_FREE_DPTR (content);
+pointers_next:
+		nextkey = MYDBM_NEXTKEY (dbf, key);
+		MYDBM_FREE_DPTR (key);
+		key = nextkey;
+	}
+}
+
+/* Count the number of exact extension matches returned from look_for_file()
+ * (which may return inexact extension matches in some cases). It may turn
+ * out that this is better handled in look_for_file() itself.
+ */
+static int count_glob_matches (const char *ext, gl_list_t source,
+			       struct timespec db_mtime)
+{
+	const char *walk;
+	int count = 0;
+
+	GL_LIST_FOREACH (source, walk) {
+		struct mandata *info;
+		struct stat statbuf;
+
+		if (stat (walk, &statbuf) == -1) {
+			debug ("count_glob_matches: excluding %s "
+			       "because stat failed\n", walk);
+			continue;
+		}
+		if (db_mtime.tv_sec != (time_t) -1 &&
+		    timespec_cmp (get_stat_mtime (&statbuf), db_mtime) <= 0) {
+			debug ("count_glob_matches: excluding %s, "
+			       "no newer than database\n", walk);
+			continue;
+		}
+
+		info = filename_info (walk, quiet < 2);
+		if (info) {
+			if (STREQ (ext, info->ext))
+				++count;
+			free_mandata_struct (info);
+		}
+	}
+
+	return count;
+}
+
+/* Decide whether to purge a reference to a "normal" (ULT_MAN or SO_MAN)
+ * page.
+ */
+static int purge_normal (MYDBM_FILE dbf, const char *name,
+			 struct mandata *info, gl_list_t found)
+{
+	struct timespec t;
+
+	/* TODO: On some systems, the cat page extension differs from the
+	 * man page extension, so this may be too strict.
+	 */
+	t.tv_sec = -1;
+	t.tv_nsec = -1;
+	if (count_glob_matches (info->ext, found, t))
+		return 0;
+
+	if (!opt_test)
+		dbdelete (dbf, name, info);
+	else
+		debug ("%s(%s): missing page, would delete\n",
+		       name, info->ext);
+
+	return 1;
+}
+
+/* Decide whether to purge a reference to a WHATIS_MAN or WHATIS_CAT page. */
+static int purge_whatis (MYDBM_FILE dbf, const char *path, bool cat,
+			 const char *name, struct mandata *info,
+			 gl_list_t found, struct timespec db_mtime)
+{
+	/* TODO: On some systems, the cat page extension differs from the
+	 * man page extension, so this may be too strict.
+	 */
+	if (count_glob_matches (info->ext, found, db_mtime)) {
+		/* If the page exists and didn't beforehand, then presumably
+		 * we're about to rescan, which will replace the WHATIS_MAN
+		 * entry with something better. However, there have been
+		 * bugs that created false WHATIS_MAN entries, so force the
+		 * rescan just to be sure; since in the absence of a bug we
+		 * would rescan anyway, this isn't a problem.
+		 */
+		if (!force_rescan)
+			debug ("%s(%s): whatis replaced by real page; "
+			       "forcing a rescan just in case\n",
+			       name, info->ext);
+		force_rescan = true;
+		return 0;
+	} else if (STREQ (info->pointer, "-")) {
+		/* This is broken; a WHATIS_MAN should never have an empty
+		 * pointer field. This might have happened due to the first
+		 * name in a page being different from what the file name
+		 * says; that's fixed now, so delete and force a rescan.
+		 */
+		if (!opt_test)
+			dbdelete (dbf, name, info);
+		else
+			debug ("%s(%s): whatis with empty pointer, "
+			       "would delete\n", name, info->ext);
+
+		if (!force_rescan)
+			debug ("%s(%s): whatis had empty pointer; "
+			       "forcing a rescan just in case\n",
+			       name, info->ext);
+		force_rescan = true;
+		return 1;
+	} else {
+		/* Does the real page still exist? */
+		gl_list_t real_found;
+		bool save_debug = debug_level;
+		struct timespec t;
+		int count;
+
+		debug_level = false;
+		real_found = look_for_file (path, info->ext,
+					    info->pointer, cat, LFF_MATCHCASE);
+		debug_level = save_debug;
+
+		t.tv_sec = -1;
+		t.tv_nsec = -1;
+		count = count_glob_matches (info->ext, real_found, t);
+		gl_list_free (real_found);
+		if (count)
+			return 0;
+
+		if (!opt_test)
+			dbdelete (dbf, name, info);
+		else
+			debug ("%s(%s): whatis target was deleted, "
+			       "would delete\n", name, info->ext);
+		return 1;
+	}
+}
+
+/* Check that multi keys are correctly constructed. */
+static bool check_multi_key (const char *name, const char *content)
+{
+	const char *walk, *next;
+
+	if (!*content)
+		return false;
+
+	for (walk = content; walk && *walk; walk = next) {
+		/* The name in the multi key should only differ from the
+		 * name of the key itself in its case, if at all.
+		 */
+		bool valid = true;
+		++walk; /* skip over initial tab */
+		next = strchr (walk, '\t');
+		if (next) {
+			if (strncasecmp (name, walk, next - walk))
+				valid = false;
+		} else {
+			if (strcasecmp (name, walk))
+				valid = false;
+		}
+		if (!valid) {
+			debug ("%s: broken multi key \"%s\", "
+			       "forcing a rescan\n", name, content);
+			force_rescan = true;
+			return true;
+		}
+
+		/* If the name was valid, skip over the extension and
+		 * continue the scan.
+		 */
+		walk = next;
+		next = walk ? strchr (walk + 1, '\t') : NULL;
+	}
+
+	return false;
+}
+
+/* Go through the database and purge references to man pages that no longer
+ * exist.
+ */
+int purge_missing (MYDBM_FILE dbf, const char *manpath, const char *catpath)
+{
+#ifdef NDBM
+	char *dirfile;
+#endif
+	struct stat st;
+	bool db_exists;
+	datum key;
+	int count = 0;
+	struct timespec db_mtime;
+
+#ifdef NDBM
+	dirfile = xasprintf ("%s.dir", dbf->name);
+	db_exists = stat (dirfile, &st) == 0;
+	free (dirfile);
+#else
+	db_exists = stat (dbf->name, &st) == 0;
+#endif
+	if (!db_exists)
+		/* nothing to purge */
+		return 0;
+
+	if (!quiet)
+		printf (_("Purging old database entries in %s...\n"), manpath);
+
+	if (!ensure_db_open (dbf) || !sanity_check_db (dbf)) {
+		gripe_rwopen_failed (dbf);
+		return 0;
+	}
+	db_mtime = MYDBM_GET_TIME (dbf);
+
+	key = MYDBM_FIRSTKEY (dbf);
+
+	while (MYDBM_DPTR (key) != NULL) {
+		datum content, nextkey;
+		struct mandata *entry;
+		char *nicekey, *tab;
+		bool save_debug;
+		gl_list_t found;
+
+#pragma GCC diagnostic push
+#if GNUC_PREREQ(10,0)
+#  pragma GCC diagnostic ignored "-Wanalyzer-use-after-free"
+#endif
+		/* Ignore db identifier keys. */
+		if (*MYDBM_DPTR (key) == '$') {
+			nextkey = MYDBM_NEXTKEY (dbf, key);
+			MYDBM_FREE_DPTR (key);
+			key = nextkey;
+			continue;
+		}
+#pragma GCC diagnostic pop
+
+		content = MYDBM_FETCH (dbf, key);
+		if (!MYDBM_DPTR (content)) {
+			nextkey = MYDBM_NEXTKEY (dbf, key);
+			MYDBM_FREE_DPTR (key);
+			key = nextkey;
+			continue;
+		}
+
+		/* Get just the name. */
+		nicekey = xstrdup (MYDBM_DPTR (key));
+		tab = strchr (nicekey, '\t');
+		if (tab)
+			*tab = '\0';
+
+#pragma GCC diagnostic push
+#if GNUC_PREREQ(10,0)
+#  pragma GCC diagnostic ignored "-Wanalyzer-use-after-free"
+#endif
+		/* Deal with multi keys. */
+		if (*MYDBM_DPTR (content) == '\t') {
+			if (check_multi_key (nicekey, MYDBM_DPTR (content)))
+				MYDBM_DELETE (dbf, key);
+			free (nicekey);
+			MYDBM_FREE_DPTR (content);
+			nextkey = MYDBM_NEXTKEY (dbf, key);
+			MYDBM_FREE_DPTR (key);
+			key = nextkey;
+			continue;
+		}
+#pragma GCC diagnostic pop
+
+		entry = split_content (dbf, MYDBM_DPTR (content));
+
+		save_debug = debug_level;
+		debug_level = false;	/* look_for_file() is quite noisy */
+		if (entry->id <= WHATIS_MAN)
+			found = look_for_file (manpath, entry->ext,
+					       entry->name ? entry->name
+							   : nicekey,
+					       false, LFF_MATCHCASE);
+		else
+			found = look_for_file (catpath, entry->ext,
+					       entry->name ? entry->name
+							   : nicekey,
+					       true, LFF_MATCHCASE);
+		debug_level = save_debug;
+
+		/* Now actually decide whether to purge, depending on the
+		 * type of entry.
+		 */
+		if (entry->id == ULT_MAN || entry->id == SO_MAN ||
+		    entry->id == STRAY_CAT)
+			count += purge_normal (dbf, nicekey, entry, found);
+		else if (entry->id == WHATIS_MAN)
+			count += purge_whatis (dbf, manpath, false, nicekey,
+					       entry, found, db_mtime);
+		else	/* entry->id == WHATIS_CAT */
+			count += purge_whatis (dbf, catpath, true, nicekey,
+					       entry, found, db_mtime);
+
+		gl_list_free (found);
+		free (nicekey);
+
+		free_mandata_struct (entry);
+		MYDBM_FREE_DPTR (content);
+		nextkey = MYDBM_NEXTKEY (dbf, key);
+		MYDBM_FREE_DPTR (key);
+		key = nextkey;
+	}
+
+	return count;
+}
diff --git a/src/check_mandirs.h b/src/check_mandirs.h
new file mode 100644
index 0000000..d89ca98
--- /dev/null
+++ b/src/check_mandirs.h
@@ -0,0 +1,36 @@
+/*
+ * check_mandirs.h: Interface to updating database caches
+ *
+ * Copyright (C) 2001, 2002 Colin Watson.
+ *
+ * This file is part of man-db.
+ *
+ * man-db is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * man-db is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with man-db; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+
+#include <stdbool.h>
+
+#include "mydbm.h"
+
+/* check_mandirs.c */
+extern void test_manfile (MYDBM_FILE dbf, const char *file, const char *path);
+extern void chown_if_possible (const char *path);
+extern int create_db (MYDBM_FILE dbf,
+		      const char *manpath, const char *catpath);
+extern int update_db (MYDBM_FILE dbf,
+		      const char *manpath, const char *catpath);
+extern void purge_pointers (MYDBM_FILE dbf, const char *name);
+extern int purge_missing (MYDBM_FILE dbf,
+			  const char *manpath, const char *catpath);
diff --git a/src/convert.c b/src/convert.c
new file mode 100644
index 0000000..447240c
--- /dev/null
+++ b/src/convert.c
@@ -0,0 +1,99 @@
+/*
+ * convert.c: simple encoding conversions
+ *
+ * Copyright (C) 2007-2022 Colin Watson.
+ *
+ * This file is part of man-db.
+ *
+ * man-db is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * man-db is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with man-db; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+
+#ifdef HAVE_CONFIG_H
+#  include "config.h"
+#endif /* HAVE_CONFIG_H */
+
+#include <errno.h>
+#include <stdbool.h>
+#include <string.h>
+
+#ifdef HAVE_ICONV
+#  include <iconv.h>
+#endif /* HAVE_ICONV */
+
+#include "attribute.h"
+#include "xalloc.h"
+#include "xvasprintf.h"
+
+#include "manconfig.h"
+
+#include "cleanup.h"
+#include "encodings.h"
+
+#include "convert.h"
+
+#ifdef HAVE_ICONV
+static bool conv_to_locale_initialized = false;
+static iconv_t conv_to_locale = (iconv_t) -1;
+
+static void close_conv_to_locale (void *ignored MAYBE_UNUSED)
+{
+	iconv_close (conv_to_locale);
+}
+
+char * ATTRIBUTE_MALLOC convert_to_locale (char *string)
+{
+	if (!conv_to_locale_initialized) {
+		char *locale_charset = xasprintf
+			("%s//IGNORE", get_locale_charset ());
+		conv_to_locale = iconv_open (locale_charset, "UTF-8");
+		free (locale_charset);
+		if (conv_to_locale != (iconv_t) -1)
+			push_cleanup (close_conv_to_locale, NULL, 0);
+		conv_to_locale_initialized = true;
+	}
+
+	if (conv_to_locale != (iconv_t) -1) {
+		size_t string_conv_alloc = strlen (string) + 1;
+		char *string_conv = xmalloc (string_conv_alloc);
+		for (;;) {
+			char *inptr = string, *outptr = string_conv;
+			size_t inleft = strlen (string);
+			size_t outleft = string_conv_alloc - 1;
+			if (iconv (conv_to_locale,
+				   (ICONV_CONST char **) &inptr, &inleft,
+				   &outptr, &outleft) == (size_t) -1 &&
+			    errno == E2BIG) {
+				string_conv_alloc <<= 1;
+				string_conv = xrealloc (string_conv,
+							string_conv_alloc);
+			} else {
+				/* Either we succeeded, or we've done our
+				 * best; go ahead and print what we've got.
+				 */
+				string_conv[string_conv_alloc - 1 - outleft] =
+					'\0';
+				break;
+			}
+		}
+		return string_conv;
+	} else
+		return xstrdup (string);
+}
+#else /* !HAVE_ICONV */
+char * ATTRIBUTE_MALLOC convert_to_locale (char *string)
+{
+	return xstrdup (string);
+}
+#endif /* HAVE_ICONV */
diff --git a/src/convert.h b/src/convert.h
new file mode 100644
index 0000000..962a619
--- /dev/null
+++ b/src/convert.h
@@ -0,0 +1,23 @@
+/*
+ * convert.h: interface to simple encoding conversions
+ *
+ * Copyright (C) 2007-2022 Colin Watson.
+ *
+ * This file is part of man-db.
+ *
+ * man-db is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * man-db is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with man-db; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+
+char *convert_to_locale (char *string);
diff --git a/src/decompress.c b/src/decompress.c
new file mode 100644
index 0000000..c483241
--- /dev/null
+++ b/src/decompress.c
@@ -0,0 +1,435 @@
+/*
+ * decompress.c: decompression abstraction layer
+ *
+ * Copyright (C) 2007, 2008 Colin Watson.
+ *
+ * This file is part of man-db.
+ *
+ * man-db is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * man-db is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with man-db; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+
+#ifdef HAVE_CONFIG_H
+#  include "config.h"
+#endif /* HAVE_CONFIG_H */
+
+#include <assert.h>
+#include <string.h>
+#include <stdbool.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <unistd.h>
+#include <fcntl.h>
+
+#ifdef HAVE_LIBZ
+#  include "zlib.h"
+#endif /* HAVE_LIBZ */
+
+#include "pipeline.h"
+
+#include "attribute.h"
+#include "minmax.h"
+#include "xalloc.h"
+#include "xstrndup.h"
+#include "xvasprintf.h"
+
+#include "manconfig.h"
+
+#include "compression.h"
+#include "sandbox.h"
+
+#include "decompress.h"
+
+enum decompress_tag {
+	DECOMPRESS_PIPELINE,
+	DECOMPRESS_INPROCESS
+};
+
+struct decompress_inprocess {
+	char *buf;
+	size_t len;
+	size_t offset;
+	char *line_cache;
+};
+
+struct decompress {
+	enum decompress_tag tag;
+	union {
+		pipeline *p;
+		struct decompress_inprocess inprocess;
+	} u;
+};
+
+/* Create a new pipeline-based decompressor.  Takes ownership of p. */
+static decompress *decompress_new_pipeline (pipeline *p)
+{
+	decompress *d = XMALLOC (decompress);
+
+	d->tag = DECOMPRESS_PIPELINE;
+	d->u.p = p;
+
+	return d;
+}
+
+#ifdef HAVE_LIBZ
+
+/* Create a new in-process decompressor.  Takes ownership of buf. */
+static decompress *decompress_new_inprocess (char *buf, size_t len)
+{
+	decompress *d = XMALLOC (decompress);
+
+	d->tag = DECOMPRESS_INPROCESS;
+	d->u.inprocess.buf = buf;
+	d->u.inprocess.len = len;
+	d->u.inprocess.offset = 0;
+	d->u.inprocess.line_cache = NULL;
+
+	return d;
+}
+
+static void decompress_zlib (void *data MAYBE_UNUSED)
+{
+	gzFile zlibfile;
+	int fd;
+
+	fd = dup (STDIN_FILENO);
+	if (fd < 0)
+		return;
+
+	zlibfile = gzdopen (fd, "r");
+	if (!zlibfile) {
+		close (fd);
+		return;
+	}
+
+	for (;;) {
+		char buffer[4096];
+		int r = gzread (zlibfile, buffer, 4096);
+		if (r <= 0)
+			break;
+		if (fwrite (buffer, 1, (size_t) r, stdout) < (size_t) r)
+			break;
+	}
+
+	gzclose (zlibfile);
+	return;
+}
+
+/* The largest number of uncompressed bytes we're prepared to read into
+ * memory.  (We actually allow at most one fewer byte than this, for easy
+ * EOF detection.)
+ *
+ * At the time of writing, 11 out of 27959 (0.04%) installed manual pages on
+ * the author's system were larger than this.
+ *
+ * We could lift this restriction if we streamed in-process decompression
+ * instead, but that's a bit complicated: we'd also need to stream encoding
+ * conversion, and there's relatively little point until lexgrog can rely on
+ * preprocessor header lines rather than having to scan the whole file for
+ * preprocessor indications.  For the time being, one-shot buffering is
+ * cheap enough and much simpler.
+ */
+#define MAX_INPROCESS 1048576
+
+static decompress *decompress_try_zlib (const char *filename)
+{
+	gzFile zlibfile;
+	/* We only ever call this from the parent process (and don't
+	 * currently use threads), and this lets us skip per-file memory
+	 * allocation.
+	 */
+	static char buffer[MAX_INPROCESS];
+	int len = 0;
+
+	zlibfile = gzopen (filename, "r");
+	if (!zlibfile)
+		return NULL;
+
+	while (len < MAX_INPROCESS) {
+		/* Read one more byte than we're prepared to return, in
+		 * order to detect EOF at the right position.  The "len >=
+		 * MAX_INPROCESS" check below catches the boundary case.
+		 */
+		int r = gzread (zlibfile, buffer + len, MAX_INPROCESS - len);
+		if (r < 0) {
+			gzclose (zlibfile);
+			return NULL;
+		} else if (r == 0)
+			break;
+		else
+			len += r;
+	}
+
+	gzclose (zlibfile);
+	if (len >= MAX_INPROCESS)
+		return NULL;
+	/* Copy input data so that we don't have potential data corruption
+	 * if more than one in-process decompressor is active at once.  (An
+	 * alternative might be to use a lock to prevent that situation.)
+	 */
+	return decompress_new_inprocess (xmemdup (buffer, (size_t) len),
+					 (size_t) len);
+}
+
+#define OPEN_FLAGS_UNUSED
+#else /* !HAVE_LIBZ */
+#define OPEN_FLAGS_UNUSED MAYBE_UNUSED
+#endif /* HAVE_LIBZ */
+
+extern man_sandbox *sandbox;
+
+decompress *decompress_open (const char *filename, int flags OPEN_FLAGS_UNUSED)
+{
+	pipecmd *cmd;
+	pipeline *p;
+	struct stat st;
+#ifdef HAVE_LIBZ
+	size_t filename_len;
+#endif /* HAVE_LIBZ */
+	char *ext;
+	struct compression *comp;
+
+	if (stat (filename, &st) < 0 || S_ISDIR (st.st_mode))
+		return NULL;
+
+#ifdef HAVE_LIBZ
+	filename_len = strlen (filename);
+	if (filename_len > 3 && STREQ (filename + filename_len - 3, ".gz")) {
+		if (flags & DECOMPRESS_ALLOW_INPROCESS) {
+			decompress *d = decompress_try_zlib (filename);
+			if (d)
+				return d;
+		}
+
+		cmd = pipecmd_new_function ("zcat", &decompress_zlib, NULL,
+					    NULL);
+		pipecmd_pre_exec (cmd, sandbox_load, sandbox_free, sandbox);
+		p = pipeline_new_commands (cmd, (void *) 0);
+		goto got_pipeline;
+	}
+#endif /* HAVE_LIBZ */
+
+	ext = strrchr (filename, '.');
+	if (ext) {
+		++ext;
+
+		for (comp = comp_list; comp->ext; ++comp) {
+			if (!STREQ (comp->ext, ext))
+				continue;
+
+			cmd = pipecmd_new_argstr (comp->prog);
+			pipecmd_pre_exec (cmd, sandbox_load, sandbox_free,
+					  sandbox);
+			p = pipeline_new_commands (cmd, (void *) 0);
+			goto got_pipeline;
+		}
+	}
+
+#ifdef HAVE_GZIP
+	/* HP-UX */
+	ext = strstr (filename, ".Z/");
+	if (ext) {
+		cmd = pipecmd_new_argstr (PROG_GUNZIP);
+		pipecmd_pre_exec (cmd, sandbox_load, sandbox_free, sandbox);
+		p = pipeline_new_commands (cmd, (void *) 0);
+		goto got_pipeline;
+	}
+#endif
+
+	p = pipeline_new ();
+
+got_pipeline:
+	pipeline_want_infile (p, filename);
+	pipeline_want_out (p, -1);
+	return decompress_new_pipeline (p);
+}
+
+decompress *decompress_fdopen (int fd)
+{
+	pipeline *p;
+#ifdef HAVE_LIBZ
+	pipecmd *cmd;
+#endif /* HAVE_LIBZ */
+
+#ifdef HAVE_LIBZ
+	cmd = pipecmd_new_function ("zcat", &decompress_zlib, NULL, NULL);
+	pipecmd_pre_exec (cmd, sandbox_load, sandbox_free, sandbox);
+	p = pipeline_new_commands (cmd, (void *) 0);
+#else /* HAVE_LIBZ */
+	p = pipeline_new ();
+#endif /* HAVE_LIBZ */
+
+	pipeline_want_in (p, fd);
+	pipeline_want_out (p, -1);
+	return decompress_new_pipeline (p);
+}
+
+bool ATTRIBUTE_PURE decompress_is_pipeline (decompress *d)
+{
+	return d->tag == DECOMPRESS_PIPELINE;
+}
+
+pipeline * ATTRIBUTE_PURE decompress_get_pipeline (decompress *d)
+{
+	assert (d->tag == DECOMPRESS_PIPELINE);
+	return d->u.p;
+}
+
+const char * ATTRIBUTE_PURE decompress_inprocess_buf (decompress *d)
+{
+	assert (d->tag == DECOMPRESS_INPROCESS);
+	return d->u.inprocess.buf;
+}
+
+size_t ATTRIBUTE_PURE decompress_inprocess_len (decompress *d)
+{
+	assert (d->tag == DECOMPRESS_INPROCESS);
+	return d->u.inprocess.len;
+}
+
+void decompress_inprocess_replace (decompress *d, char *buf, size_t len)
+{
+	assert (d->tag == DECOMPRESS_INPROCESS);
+
+	free (d->u.inprocess.line_cache);
+	free (d->u.inprocess.buf);
+
+	d->u.inprocess.buf = buf;
+	d->u.inprocess.len = len;
+	d->u.inprocess.offset = 0;
+	d->u.inprocess.line_cache = NULL;
+}
+
+void decompress_start (decompress *d)
+{
+	if (d->tag == DECOMPRESS_PIPELINE)
+		pipeline_start (d->u.p);
+}
+
+const char *decompress_read (decompress *d, size_t *len)
+{
+	if (d->tag == DECOMPRESS_PIPELINE)
+		return pipeline_read (d->u.p, len);
+	else {
+		const char *ret;
+		assert (d->tag == DECOMPRESS_INPROCESS);
+		*len = MIN (*len, d->u.inprocess.len - d->u.inprocess.offset);
+		ret = d->u.inprocess.buf + d->u.inprocess.offset;
+		d->u.inprocess.offset += *len;
+		return ret;
+	}
+}
+
+const char *decompress_peek (decompress *d, size_t *len)
+{
+	if (d->tag == DECOMPRESS_PIPELINE)
+		return pipeline_peek (d->u.p, len);
+	else {
+		assert (d->tag == DECOMPRESS_INPROCESS);
+		*len = MIN (*len, d->u.inprocess.len - d->u.inprocess.offset);
+		return d->u.inprocess.buf + d->u.inprocess.offset;
+	}
+}
+
+void decompress_peek_skip (decompress *d, size_t len)
+{
+	if (d->tag == DECOMPRESS_PIPELINE)
+		pipeline_peek_skip (d->u.p, len);
+	else {
+		assert (d->tag == DECOMPRESS_INPROCESS);
+		assert (len <= d->u.inprocess.len - d->u.inprocess.offset);
+		d->u.inprocess.offset += len;
+	}
+}
+
+const char *decompress_readline (decompress *d)
+{
+	if (d->tag == DECOMPRESS_PIPELINE)
+		return pipeline_readline (d->u.p);
+	else {
+		const char *cur, *end;
+		assert (d->tag == DECOMPRESS_INPROCESS);
+		/* This isn't on the hot path (only called for a few lines
+		 * at the start of the file), so we can afford to
+		 * reallocate.
+		 */
+		if (d->u.inprocess.line_cache) {
+			free (d->u.inprocess.line_cache);
+			d->u.inprocess.line_cache = NULL;
+		}
+		cur = d->u.inprocess.buf + d->u.inprocess.offset;
+		end = memchr (cur, '\n',
+			      d->u.inprocess.len - d->u.inprocess.offset);
+		if (end) {
+			d->u.inprocess.line_cache = xstrndup
+				(cur, end - cur + 1);
+			d->u.inprocess.offset += end - cur + 1;
+			return d->u.inprocess.line_cache;
+		} else
+			return NULL;
+	}
+}
+
+const char *decompress_peekline (decompress *d)
+{
+	if (d->tag == DECOMPRESS_PIPELINE)
+		return pipeline_peekline (d->u.p);
+	else {
+		const char *cur, *end;
+		assert (d->tag == DECOMPRESS_INPROCESS);
+		/* This isn't on the hot path (only called for a few lines
+		 * at the start of the file), so we can afford to
+		 * reallocate.
+		 */
+		if (d->u.inprocess.line_cache) {
+			free (d->u.inprocess.line_cache);
+			d->u.inprocess.line_cache = NULL;
+		}
+		cur = d->u.inprocess.buf + d->u.inprocess.offset;
+		end = memchr (cur, '\n',
+			      d->u.inprocess.len - d->u.inprocess.offset);
+		if (end) {
+			d->u.inprocess.line_cache = xstrndup
+				(cur, end - cur + 1);
+			return d->u.inprocess.line_cache;
+		} else
+			return NULL;
+	}
+}
+
+int decompress_wait (decompress *d)
+{
+	if (d->tag == DECOMPRESS_PIPELINE)
+		return pipeline_wait (d->u.p);
+	else {
+		assert (d->tag == DECOMPRESS_INPROCESS);
+		return 0;
+	}
+}
+
+void decompress_free (decompress *d)
+{
+	if (!d)
+		return;
+	if (d->tag == DECOMPRESS_PIPELINE)
+		pipeline_free (d->u.p);
+	else {
+		assert (d->tag == DECOMPRESS_INPROCESS);
+		free (d->u.inprocess.line_cache);
+		free (d->u.inprocess.buf);
+	}
+	free (d);
+}
diff --git a/src/decompress.h b/src/decompress.h
new file mode 100644
index 0000000..f10ab88
--- /dev/null
+++ b/src/decompress.h
@@ -0,0 +1,139 @@
+/*
+ * decompress.h: interface to decompression abstraction layer
+ *
+ * Copyright (C) 2007 Colin Watson.
+ *
+ * This file is part of man-db.
+ *
+ * man-db is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * man-db is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with man-db; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+
+#ifndef MAN_DECOMPRESS_H
+#define MAN_DECOMPRESS_H
+
+#include <stdbool.h>
+
+#include "pipeline.h"
+
+struct decompress;
+typedef struct decompress decompress;
+
+/* Flags, combined using bitwise-or. */
+enum {
+	/* Allow the resulting decompressor to be constructed by reading and
+	 * buffering the decompressed file contents in-process, rather than
+	 * by starting a subprocess and streaming the output.  This is
+	 * suitable if and only if the file contents are only going to be
+	 * handled in-process rather than being passed as input to some
+	 * other program, but if that is the case then this is a significant
+	 * optimization.
+	 */
+	DECOMPRESS_ALLOW_INPROCESS = 1
+};
+
+/* Open a decompressor reading from FILENAME.  The caller must start the
+ * resulting decompressor.  If the DECOMPRESS_ALLOW_INPROCESS flag is given,
+ * then the resulting decompressor may be in-process (in which case
+ * decompress_get_pipeline will fail).
+ */
+decompress *decompress_open (const char *filename, int flags);
+
+/* Open a decompressor reading from file descriptor FD.  The caller must
+ * start the resulting decompressor.  This always uses pipeline-based
+ * decompression, since if it attempted to decompress data in process it
+ * would be unable to recover if it found that the data was too large.
+ */
+decompress *decompress_fdopen (int fd);
+
+/* Return true if and only if this is a pipeline-based decompressor. */
+bool decompress_is_pipeline (decompress *d);
+
+/* Get the pipeline corresponding to a decompressor.  Raises an assertion
+ * failure if this is not a pipeline-based decompressor.
+ */
+pipeline *decompress_get_pipeline (decompress *d);
+
+/* Return the start of the buffer stored in an in-process decompressor.
+ * Raises an assertion failure if this is not an in-process decompressor.
+ */
+const char *decompress_inprocess_buf (decompress *d);
+
+/* Return the total number of uncompressed bytes stored in an in-process
+ * decompressor.  Raises an assertion failure if this is not an in-process
+ * decompressor.
+ */
+size_t decompress_inprocess_len (decompress *d);
+
+/* Replace an in-process decompressor's entire buffered file contents.
+ *
+ * In-process decompression works by buffering the whole file in memory,
+ * which works because we constrain it to only ever dealing with small
+ * files, and allows us to emulate streaming without having to resort to
+ * subprocesses, threads, or coroutines.  However, there are some cases
+ * (notably encoding conversion) where it's useful to be able to do some
+ * kind of processing on the file contents in a way that similarly looks
+ * like streaming to its consumers.  To allow for this, we allow consumers
+ * of decompressed data to replace the buffered file contents and reset the
+ * read offset so that their consumers in turn get the same useful read/peek
+ * API.
+ *
+ * This is of course a hack, and wouldn't be a wise thing to include in a
+ * general-purpose library API, but this is only used within man-db.
+ */
+void decompress_inprocess_replace (decompress *d, char *buf, size_t len);
+
+/* Start the processes in a pipeline-based decompressor.  Does nothing for
+ * in-process decompressors.
+ */
+void decompress_start (decompress *d);
+
+/* Read len bytes of data from the decompressor, returning the data block.
+ * len is updated with the number of bytes read.
+ */
+const char *decompress_read (decompress *d, size_t *len);
+
+/* Look ahead in the decompressor's output for len bytes of data, returning
+ * the data block.  len is updated with the number of bytes read.  The
+ * starting position of the next read or peek is not affected by this call.
+ */
+const char *decompress_peek (decompress *d, size_t *len);
+
+/* Skip over and discard len bytes of data from the peek cache. Asserts that
+ * enough data is available to skip, so you may want to check using
+ * pipeline_peek_size first.
+ */
+void decompress_peek_skip (decompress *d, size_t len);
+
+/* Read a line of data from the decompressor, returning it. */
+const char *decompress_readline (decompress *d);
+
+/* Look ahead in the decompressor's output for a line of data, returning it.
+ * The starting position of the next read or peek is not affected by this
+ * call.
+ */
+const char *decompress_peekline (decompress *d);
+
+/* Wait for a decompressor to complete and return its combined exit status.
+ * For in-process decompressors, simply returns 0.
+ */
+int decompress_wait (decompress *d);
+
+/* Destroy a decompressor.  Safely does nothing on NULL.  For pipeline-based
+ * decompressors, may wait for the pipeline to complete if it has not already
+ * done so.
+ */
+void decompress_free (decompress *d);
+
+#endif /* MAN_DECOMPRESS_H */
diff --git a/src/descriptions.c b/src/descriptions.c
new file mode 100644
index 0000000..de2dfb9
--- /dev/null
+++ b/src/descriptions.c
@@ -0,0 +1,163 @@
+/*
+ * descriptions.c: manipulate man page descriptions
+ *
+ * Copyright (C) 2002, 2003, 2006, 2007, 2008, 2009, 2010, 2011 Colin Watson.
+ *
+ * This file is part of man-db.
+ *
+ * man-db is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * man-db is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with man-db; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+
+#ifdef HAVE_CONFIG_H
+#  include "config.h"
+#endif /* HAVE_CONFIG_H */
+
+#include <stdbool.h>
+#include <string.h>
+#include <stdlib.h>
+
+#include "gl_array_list.h"
+#include "gl_xlist.h"
+#include "xalloc.h"
+#include "xstrndup.h"
+
+#include "manconfig.h"
+
+#include "debug.h"
+#include "util.h"
+
+#include "descriptions.h"
+
+/* Free a page description. */
+static void page_description_free (const void *value)
+{
+	struct page_description *desc = (struct page_description *) value;
+
+	free (desc->name);
+	free (desc->whatis);
+	free (desc);
+}
+
+/* Parse the description in a whatis line returned by find_name() into a
+ * list of names and whatis descriptions.
+ */
+gl_list_t parse_descriptions (const char *base, const char *whatis)
+{
+	const char *sep, *nextsep;
+	gl_list_t descs;
+	bool seen_base = false;
+
+	descs = gl_list_create_empty (GL_ARRAY_LIST, NULL, NULL,
+				      page_description_free, true);
+
+	if (!whatis)
+		return descs;
+
+	sep = whatis;
+
+	while (sep) {
+		char *record;
+		size_t length;
+		const char *dash;
+		char *names;
+		const char *token;
+
+		/* Use a while loop so that we skip over things like the
+		 * result of double line breaks.
+		 */
+		while (*sep == 0x11 || *sep == ' ')
+			++sep;
+		nextsep = strchr (sep, 0x11);
+
+		/* Get this record as a null-terminated string. */
+		if (nextsep)
+			length = (size_t) (nextsep - sep);
+		else
+			length = strlen (sep);
+		if (length == 0)
+			break;
+
+		record = xstrndup (sep, length);
+		debug ("record = '%s'\n", record);
+
+		/* Split the record into name and whatis description. */
+		dash = strstr (record, " - ");
+		if (dash)
+			names = xstrndup (record, dash - record);
+		else if (!gl_list_size (descs))
+			/* Some pages have a NAME section with just the page
+			 * name and no whatis.  We might as well include
+			 * this.
+			 */
+			names = xstrdup (record);
+		else
+			/* Once at least one record has been seen, further
+			 * cases where there is no whatis usually amount to
+			 * garbage following the useful records, and can
+			 * cause problems due to false WHATIS_MAN entries in
+			 * the database.  On the whole it seems best to
+			 * ignore these.
+			 */
+			goto next;
+
+		for (token = strtok (names, ","); token;
+		     token = strtok (NULL, ",")) {
+			char *name = trim_spaces (token);
+			struct page_description *desc;
+
+			/* Skip name tokens containing whitespace. They are
+			 * almost never useful as manual page names.
+			 */
+			if (strpbrk (name, " \t") != NULL) {
+				free (name);
+				continue;
+			}
+
+			/* Allocate new description node. */
+			desc = xmalloc (sizeof *desc);
+			desc->name   = name; /* steal memory */
+			desc->whatis = dash ? trim_spaces (dash + 3) : NULL;
+			gl_list_add_last (descs, desc);
+
+			if (base && STREQ (base, desc->name))
+				seen_base = true;
+		}
+
+		free (names);
+next:
+		free (record);
+
+		sep = nextsep;
+	}
+
+	/* If it isn't there already, add the base name onto the returned
+	 * list.
+	 */
+	if (base && !seen_base) {
+		struct page_description *desc = xmalloc (sizeof *desc);
+
+		desc->name = xstrdup (base);
+		desc->whatis = NULL;
+		if (gl_list_size (descs)) {
+			const struct page_description *first =
+				gl_list_get_at (descs, 0);
+			if (first->whatis)
+				desc->whatis = xstrdup (first->whatis);
+		}
+		gl_list_add_last (descs, desc);
+	}
+
+	return descs;
+}
diff --git a/src/descriptions.h b/src/descriptions.h
new file mode 100644
index 0000000..0712b64
--- /dev/null
+++ b/src/descriptions.h
@@ -0,0 +1,39 @@
+/*
+ * descriptions.h: Interface to manipulating man page descriptions
+ *
+ * Copyright (C) 2002, 2007, 2008, 2011 Colin Watson.
+ *
+ * This file is part of man-db.
+ *
+ * man-db is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * man-db is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with man-db; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+
+#include "gl_list.h"
+
+#include "filenames.h"
+
+#include "mydbm.h"
+
+struct page_description {
+	char *name;
+	char *whatis;
+};
+
+/* Returns a list of struct page_description. */
+extern gl_list_t parse_descriptions (const char *base, const char *whatis);
+extern void store_descriptions (MYDBM_FILE dbf, gl_list_t descs,
+				struct mandata *info,
+				const char *path, const char *base,
+				gl_list_t trace);
diff --git a/src/descriptions_store.c b/src/descriptions_store.c
new file mode 100644
index 0000000..8276973
--- /dev/null
+++ b/src/descriptions_store.c
@@ -0,0 +1,250 @@
+/*
+ * descriptions_store.c: store man page descriptions in database
+ *
+ * Copyright (C) 2002, 2003, 2006, 2007, 2008, 2011 Colin Watson.
+ *
+ * This file is part of man-db.
+ *
+ * man-db is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * man-db is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with man-db; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+
+#ifdef HAVE_CONFIG_H
+#  include "config.h"
+#endif /* HAVE_CONFIG_H */
+
+#include <assert.h>
+#include <stdbool.h>
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <time.h>
+#include <unistd.h>
+
+#include "gettext.h"
+#define _(String) gettext (String)
+
+#include "error.h"
+#include "gl_array_list.h"
+#include "gl_hash_map.h"
+#include "gl_xlist.h"
+#include "gl_xmap.h"
+#include "stat-time.h"
+#include "xalloc.h"
+
+#include "manconfig.h"
+
+#include "debug.h"
+#include "filenames.h"
+#include "glcontainers.h"
+
+#include "db_storage.h"
+
+#include "ult_src.h"
+#include "descriptions.h"
+
+static void gripe_bad_store (const char *name, const char *ext)
+{
+	if (quiet < 2)
+		error (0, 0, _("warning: failed to store entry for %s(%s)"),
+		       name, ext);
+}
+
+/* Is PARENT a prefix of CHILD, such that CHILD is in the manual hierarchy
+ * PARENT?  This requires that the part of CHILD following PARENT start with
+ * "/man".
+ */
+static int is_prefix (const char *parent, const char *child)
+{
+	return (STRNEQ (child, parent, strlen (parent)) &&
+		STRNEQ (child + strlen (parent), "/man", 4));
+}
+
+/* Take a list of descriptions returned by parse_descriptions() and store
+ * it into the database.
+ */
+void store_descriptions (MYDBM_FILE dbf, gl_list_t descs, struct mandata *info,
+			 const char *path, const char *base, gl_list_t trace)
+{
+	const struct page_description *desc;
+	const char *trace_name;
+	gl_map_t trace_infos;
+	gl_list_t whatis_infos;
+	struct mandata *whatis_info;
+	const struct mandata *pointer_info;
+
+	assert (trace);
+	assert (gl_list_size (trace) > 0);
+
+	if (gl_list_size (descs)) {
+		GL_LIST_FOREACH (trace, trace_name)
+			debug ("trace: '%s'\n", trace_name);
+	}
+
+	trace_infos = new_string_map (GL_HASH_MAP,
+				      (gl_mapvalue_dispose_fn)
+				      free_mandata_struct);
+	whatis_infos = gl_list_create_empty (GL_ARRAY_LIST, NULL, NULL,
+					     (gl_listelement_dispose_fn)
+					     free_mandata_struct,
+					     true);
+
+	GL_LIST_FOREACH (trace, trace_name)
+		gl_map_put (trace_infos, xstrdup (trace_name),
+			    filename_info (trace_name, quiet < 2));
+
+	GL_LIST_FOREACH (descs, desc) {
+		/* Either it's the real thing or merely a reference. Get the
+		 * id and pointer right in either case.
+		 */
+		bool found_real_page = false;
+		bool found_external = false;
+
+		whatis_info = XZALLOC (struct mandata);
+		whatis_info->ext = xstrdup (info->ext);
+		whatis_info->sec = xstrdup (info->sec);
+		whatis_info->id = info->id;
+		if (info->comp)
+			whatis_info->comp = xstrdup (info->comp);
+		if (info->filter)
+			whatis_info->filter = xstrdup (info->filter);
+		if (desc->whatis)
+			whatis_info->whatis = xstrdup (desc->whatis);
+		whatis_info->mtime = info->mtime;
+
+		if (STREQ (base, desc->name))
+			found_real_page = true;
+		else {
+			GL_LIST_FOREACH (trace, trace_name) {
+				const struct mandata *trace_info;
+				struct stat st;
+
+				trace_info = gl_map_get (trace_infos,
+							 trace_name);
+				if (!trace_info ||
+				    !STREQ (trace_info->name, desc->name))
+					continue;
+
+				if (path && !is_prefix (path, trace_name)) {
+					/* Link outside this manual
+					 * hierarchy; skip this description.
+					 */
+					found_external = true;
+					break;
+				}
+				free (whatis_info->ext);
+				whatis_info->ext = xstrdup (trace_info->ext);
+				free (whatis_info->sec);
+				whatis_info->sec = xstrdup (trace_info->sec);
+				if (!gl_list_next_node (trace, trace_node)) {
+					if (info->id == SO_MAN)
+						whatis_info->id = ULT_MAN;
+				} else {
+					if (info->id == ULT_MAN)
+						whatis_info->id = SO_MAN;
+				}
+				free (whatis_info->comp);
+				if (trace_info->comp)
+					whatis_info->comp = xstrdup
+						(trace_info->comp);
+				else
+					whatis_info->comp = NULL;
+				if (lstat (trace_name, &st) == 0)
+					whatis_info->mtime = get_stat_mtime
+						(&st);
+				else
+					whatis_info->mtime = info->mtime;
+				found_real_page = true;
+			}
+		}
+
+		if (found_external) {
+			debug ("skipping '%s'; link outside manual "
+			       "hierarchy\n", desc->name);
+			free_mandata_struct (whatis_info);
+			continue;
+		}
+
+		if (!found_real_page) {
+			whatis_info->name = xstrdup (desc->name);
+			if (info->id < STRAY_CAT)
+				whatis_info->id = WHATIS_MAN;
+			else
+				whatis_info->id = WHATIS_CAT;
+			/* Don't waste space storing the whatis in the db
+			 * more than once.
+			 */
+			free (whatis_info->whatis);
+			whatis_info->whatis = NULL;
+			gl_list_add_last (whatis_infos, whatis_info);
+			continue;
+		}
+
+		debug ("name = '%s', ext = '%s', id = %c\n",
+		       desc->name, whatis_info->ext, whatis_info->id);
+		if (dbstore (dbf, whatis_info, desc->name) > 0) {
+			gripe_bad_store (base, whatis_info->ext);
+			free_mandata_struct (whatis_info);
+			goto out;
+		}
+
+		free_mandata_struct (whatis_info);
+	}
+
+	/* The pointer for a WHATIS_MAN or WHATIS_CAT entry should be the
+	 * last entry in the trace that has the same section and extension
+	 * as the starting page (which is always the first entry in the
+	 * trace).  If we were to add WHATIS_* entries for different
+	 * extensions, then try_db -> add_candidate -> make_filename in
+	 * man(1) would end up constructing a path that doesn't exist and is
+	 * thus unusable.
+	 */
+	pointer_info = NULL;
+	GL_LIST_FOREACH (trace, trace_name) {
+		const struct mandata *trace_info;
+
+		trace_info = gl_map_get (trace_infos, trace_name);
+		if (trace_info &&
+		    STREQ (trace_info->sec, info->sec) &&
+		    STREQ (trace_info->ext, info->ext))
+			pointer_info = trace_info;
+	}
+	assert (pointer_info);
+
+	GL_LIST_FOREACH (whatis_infos, whatis_info) {
+		char *name;
+
+		name = whatis_info->name;
+		whatis_info->name = NULL;
+
+		whatis_info->pointer = xstrdup (pointer_info->name);
+
+		debug ("name = '%s', ext = '%s', id = %c, pointer = '%s'\n",
+		       name, whatis_info->ext, whatis_info->id,
+		       whatis_info->pointer);
+		if (dbstore (dbf, whatis_info, name) > 0) {
+			gripe_bad_store (base, whatis_info->ext);
+			free (name);
+			goto out;
+		}
+
+		free (name);
+	}
+
+out:
+	gl_list_free (whatis_infos);
+	gl_map_free (trace_infos);
+}
diff --git a/src/globbing.c b/src/globbing.c
new file mode 100644
index 0000000..b933898
--- /dev/null
+++ b/src/globbing.c
@@ -0,0 +1,435 @@
+/*
+ * globbing.c: interface to the POSIX glob routines
+ *
+ * Copyright (C) 1995 Graeme W. Wilford. (Wilf.)
+ * Copyright (C) 2001, 2002, 2003, 2006, 2007, 2008 Colin Watson.
+ *
+ * This file is part of man-db.
+ *
+ * man-db is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * man-db is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with man-db; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ * Mon Mar 13 20:27:36 GMT 1995  Wilf. (G.Wilford@ee.surrey.ac.uk)
+ */
+
+#ifdef HAVE_CONFIG_H
+#  include "config.h"
+#endif /* HAVE_CONFIG_H */
+
+#include <assert.h>
+#include <stdbool.h>
+#include <string.h>
+#include <stdlib.h>
+#include <ctype.h>
+#include <glob.h>
+#include <sys/types.h>
+#include <dirent.h>
+
+#include "error.h"
+#include "fnmatch.h"
+#include "gl_array_list.h"
+#include "gl_hash_map.h"
+#include "gl_xlist.h"
+#include "gl_xmap.h"
+#include "regex.h"
+#include "xalloc.h"
+#include "xstrndup.h"
+#include "xvasprintf.h"
+
+#include "manconfig.h"
+
+#include "appendstr.h"
+#include "cleanup.h"
+#include "debug.h"
+#include "glcontainers.h"
+#include "util.h"
+#include "xregcomp.h"
+
+#include "globbing.h"
+
+const char *extension;
+static const char *mandir_layout = MANDIR_LAYOUT;
+
+static char *make_pattern (const char *name, const char *sec, int opts)
+{
+	char *pattern;
+
+	if (opts & LFF_REGEX) {
+		if (extension) {
+			char *esc_ext = escape_shell (extension);
+			pattern = xasprintf ("%s\\..*%s.*", name, esc_ext);
+			free (esc_ext);
+		} else {
+			char *esc_sec = escape_shell (sec);
+			pattern = xasprintf ("%s\\.%s.*", name, esc_sec);
+			free (esc_sec);
+		}
+	} else {
+		if (extension)
+			pattern = xasprintf ("%s.*%s*", name, extension);
+		else
+			pattern = xasprintf ("%s.%s*", name, sec);
+	}
+
+	return pattern;
+}
+
+#define LAYOUT_GNU	1
+#define LAYOUT_HPUX	2
+#define LAYOUT_IRIX	4
+#define LAYOUT_SOLARIS	8
+#define LAYOUT_BSD	16
+
+static int parse_layout (const char *layout)
+{
+	if (!*layout)
+		return LAYOUT_GNU | LAYOUT_HPUX | LAYOUT_IRIX |
+		       LAYOUT_SOLARIS | LAYOUT_BSD;
+	else {
+		int flags = 0;
+
+		char *upper_layout = xstrdup (layout);
+		char *layoutp;
+		for (layoutp = upper_layout; *layoutp; layoutp++)
+			*layoutp = CTYPE (toupper, *layoutp);
+
+		if (strstr (upper_layout, "GNU"))
+			flags |= LAYOUT_GNU;
+		if (strstr (upper_layout, "HPUX"))
+			flags |= LAYOUT_HPUX;
+		if (strstr (upper_layout, "IRIX"))
+			flags |= LAYOUT_IRIX;
+		if (strstr (upper_layout, "SOLARIS"))
+			flags |= LAYOUT_SOLARIS;
+		if (strstr (upper_layout, "BSD"))
+			flags |= LAYOUT_BSD;
+
+		free (upper_layout);
+		return flags;
+	}
+}
+
+struct dirent_names {
+	char **names;
+	size_t names_len, names_max;
+};
+
+static void dirent_names_free (const void *value)
+{
+	struct dirent_names *cache = (struct dirent_names *) value;
+	size_t i;
+
+	for (i = 0; i < cache->names_len; ++i)
+		free (cache->names[i]);
+	free (cache->names);
+	free (cache);
+}
+
+static gl_map_t dirent_map = NULL;
+
+static int cache_compare (const void *a, const void *b)
+{
+	const char *left = *(const char **) a;
+	const char *right = *(const char **) b;
+	return strcasecmp (left, right);
+}
+
+static struct dirent_names *update_directory_cache (const char *path)
+{
+	struct dirent_names *cache;
+	DIR *dir;
+	struct dirent *entry;
+
+	if (!dirent_map) {
+		dirent_map = new_string_map (GL_HASH_MAP, dirent_names_free);
+		push_cleanup ((cleanup_fun) gl_map_free, dirent_map, 0);
+	}
+	cache = (struct dirent_names *) gl_map_get (dirent_map, path);
+
+	/* Check whether we've got this one already. */
+	if (cache) {
+		debug ("update_directory_cache %s: hit\n", path);
+		return cache;
+	}
+
+	debug ("update_directory_cache %s: miss\n", path);
+
+	dir = opendir (path);
+	if (!dir) {
+		debug_error ("can't open directory %s", path);
+		return NULL;
+	}
+
+	cache = XMALLOC (struct dirent_names);
+	cache->names_len = 0;
+	cache->names_max = 1024;
+	cache->names = XNMALLOC (cache->names_max, char *);
+
+	/* Dump all the entries into cache->names, resizing if necessary. */
+	for (entry = readdir (dir); entry; entry = readdir (dir)) {
+		if (cache->names_len >= cache->names_max) {
+			cache->names_max *= 2;
+			cache->names =
+				xnrealloc (cache->names, cache->names_max,
+					   sizeof (char *));
+		}
+		cache->names[cache->names_len++] = xstrdup (entry->d_name);
+	}
+
+	qsort (cache->names, cache->names_len, sizeof *cache->names,
+	       &cache_compare);
+
+	gl_map_put (dirent_map, xstrdup (path), cache);
+	closedir (dir);
+
+	return cache;
+}
+
+struct pattern_bsearch {
+	char *pattern;
+	size_t len;
+};
+
+static int pattern_compare (const void *a, const void *b)
+{
+	const struct pattern_bsearch *key = a;
+	const char *memb = *(const char **) b;
+	return strncasecmp (key->pattern, memb, key->len);
+}
+
+static void match_regex_in_directory (const char *path, const char *pattern,
+				      int opts, gl_list_t matched,
+				      struct dirent_names *cache)
+{
+	int flags;
+	regex_t preg;
+	size_t i;
+
+	debug ("matching regex in %s: %s\n", path, pattern);
+
+	flags = REG_EXTENDED | REG_NOSUB |
+		((opts & LFF_MATCHCASE) ? 0 : REG_ICASE);
+
+	xregcomp (&preg, pattern, flags);
+
+	for (i = 0; i < cache->names_len; ++i) {
+		if (regexec (&preg, cache->names[i], 0, NULL, 0) != 0)
+			continue;
+
+		debug ("matched: %s/%s\n", path, cache->names[i]);
+
+		gl_list_add_last (matched,
+				  xasprintf ("%s/%s", path, cache->names[i]));
+	}
+
+	regfree (&preg);
+}
+
+static void match_wildcard_in_directory (const char *path, const char *pattern,
+					 int opts, gl_list_t matched,
+					 struct dirent_names *cache)
+{
+	int flags;
+	struct pattern_bsearch pattern_start = { NULL, -1 };
+	char **bsearched;
+	size_t i;
+
+	debug ("matching wildcard in %s: %s\n", path, pattern);
+
+	flags = (opts & LFF_MATCHCASE) ? 0 : FNM_CASEFOLD;
+
+	pattern_start.pattern = xstrndup (pattern,
+					  strcspn (pattern, "?*{}\\"));
+	pattern_start.len = strlen (pattern_start.pattern);
+	bsearched = bsearch (&pattern_start, cache->names,
+			     cache->names_len, sizeof *cache->names,
+			     &pattern_compare);
+	if (!bsearched) {
+		free (pattern_start.pattern);
+		return;
+	}
+	while (bsearched > cache->names &&
+	       !strncasecmp (pattern_start.pattern, *(bsearched - 1),
+			     pattern_start.len))
+		--bsearched;
+
+	for (i = bsearched - cache->names; i < cache->names_len; ++i) {
+		assert (pattern_start.pattern);
+		if (strncasecmp (pattern_start.pattern,
+				 cache->names[i], pattern_start.len))
+			break;
+
+		if (fnmatch (pattern, cache->names[i], flags) != 0)
+			continue;
+
+		debug ("matched: %s/%s\n", path, cache->names[i]);
+
+		gl_list_add_last (matched,
+				  xasprintf ("%s/%s", path, cache->names[i]));
+	}
+
+	free (pattern_start.pattern);
+}
+
+static void match_in_directory (const char *path, const char *pattern,
+				int opts, gl_list_t matched)
+{
+	struct dirent_names *cache;
+
+	cache = update_directory_cache (path);
+	if (!cache) {
+		debug ("directory cache update failed\n");
+		return;
+	}
+
+	if (opts & LFF_REGEX)
+		match_regex_in_directory (path, pattern, opts, matched, cache);
+	else
+		match_wildcard_in_directory (path, pattern, opts, matched,
+					     cache);
+}
+
+gl_list_t look_for_file (const char *hier, const char *sec,
+			 const char *unesc_name, bool cat, int opts)
+{
+	gl_list_t matched;
+	char *pattern, *path = NULL;
+	static int layout = -1;
+	char *name;
+
+	matched = new_string_list (GL_ARRAY_LIST, false);
+
+	/* This routine only does a minimum amount of matching. It does not
+	   find cat files in the alternate cat directory. */
+
+	if (layout == -1) {
+		layout = parse_layout (mandir_layout);
+		debug ("Layout is %s (%d)\n", mandir_layout, layout);
+	}
+
+	if (opts & (LFF_REGEX | LFF_WILDCARD))
+		name = xstrdup (unesc_name);
+	else
+		name = escape_shell (unesc_name);
+
+	/* allow lookups like "3x foo" to match "../man3/foo.3x" */
+
+	if (layout & LAYOUT_GNU) {
+		gl_list_t dirs;
+		const char *dir;
+
+		dirs = new_string_list (GL_ARRAY_LIST, false);
+		pattern = xasprintf ("%s\t*", cat ? "cat" : "man");
+		assert (pattern);
+		*strrchr (pattern, '\t') = *sec;
+		match_in_directory (hier, pattern, LFF_MATCHCASE, dirs);
+		free (pattern);
+
+		pattern = make_pattern (name, sec, opts);
+		GL_LIST_FOREACH (dirs, dir) {
+			if (path)
+				*path = '\0';
+			match_in_directory (dir, pattern, opts, matched);
+		}
+		free (pattern);
+		gl_list_free (dirs);
+	}
+
+	/* Try HPUX style compressed man pages */
+	if ((layout & LAYOUT_HPUX) && gl_list_size (matched) == 0) {
+		if (path)
+			*path = '\0';
+		path = appendstr (path, hier, cat ? "/cat" : "/man",
+				  sec, ".Z", (void *) 0);
+		pattern = make_pattern (name, sec, opts);
+
+		match_in_directory (path, pattern, opts, matched);
+		free (pattern);
+	}
+
+	/* Try man pages without the section extension --- IRIX man pages */
+	if ((layout & LAYOUT_IRIX) && gl_list_size (matched) == 0) {
+		if (path)
+			*path = '\0';
+		path = appendstr (path, hier, cat ? "/cat" : "/man", sec,
+				  (void *) 0);
+		if (opts & LFF_REGEX)
+			pattern = xasprintf ("%s\\..*", name);
+		else
+			pattern = xasprintf ("%s.*", name);
+
+		match_in_directory (path, pattern, opts, matched);
+		free (pattern);
+	}
+
+	/* Try Solaris style man page directories */
+	if ((layout & LAYOUT_SOLARIS) && gl_list_size (matched) == 0) {
+		if (path)
+			*path = '\0';
+		/* TODO: This needs to be man/sec*, not just man/sec. */
+		path = appendstr (path, hier, cat ? "/cat" : "/man", sec,
+				  (void *) 0);
+		pattern = make_pattern (name, sec, opts);
+
+		match_in_directory (path, pattern, opts, matched);
+		free (pattern);
+	}
+
+	/* BSD cat pages take the extension .0 */
+	if ((layout & LAYOUT_BSD) && gl_list_size (matched) == 0) {
+		if (path)
+			*path = '\0';
+		if (cat) {
+			path = appendstr (path, hier, "/cat", sec, (void *) 0);
+			if (opts & LFF_REGEX)
+				pattern = xasprintf ("%s\\.0.*", name);
+			else
+				pattern = xasprintf ("%s.0*", name);
+		} else {
+			path = appendstr (path, hier, "/man", sec, (void *) 0);
+			pattern = make_pattern (name, sec, opts);
+		}
+		match_in_directory (path, pattern, opts, matched);
+		free (pattern);
+	}
+
+	free (name);
+	free (path);
+
+	return matched;
+}
+
+gl_list_t expand_path (const char *path)
+{
+	int res = 0;
+	gl_list_t result;
+	glob_t globbuf;
+
+	result = new_string_list (GL_ARRAY_LIST, false);
+
+	res = glob (path, GLOB_NOCHECK, NULL, &globbuf);
+	/* if glob failed, return the given path */
+	if (res != 0)
+		gl_list_add_last (result, xstrdup (path));
+	else {
+		size_t i;
+		for (i = 0; i < globbuf.gl_pathc; ++i)
+			gl_list_add_last (result,
+					  xstrdup (globbuf.gl_pathv[i]));
+	}
+
+	globfree (&globbuf);
+
+	return result;
+}
diff --git a/src/globbing.h b/src/globbing.h
new file mode 100644
index 0000000..7601395
--- /dev/null
+++ b/src/globbing.h
@@ -0,0 +1,38 @@
+/*
+ * globbing.h: Headers for glob routines
+ *
+ * Copyright (C) 2001, 2002, 2007, 2008 Colin Watson.
+ *
+ * This file is part of man-db.
+ *
+ * man-db is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * man-db is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with man-db; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+
+#include <stdbool.h>
+
+#include "gl_list.h"
+
+enum look_for_file_opts {
+	LFF_MATCHCASE = 1,
+	LFF_REGEX = 2,
+	LFF_WILDCARD = 4
+};
+
+/* globbing.c */
+extern gl_list_t look_for_file (const char *hier, const char *sec,
+				const char *unesc_name, bool cat, int opts);
+
+/* Expand path with wildcards into list of all existing directories. */
+extern gl_list_t expand_path (const char *path);
diff --git a/src/globbing_test.c b/src/globbing_test.c
new file mode 100644
index 0000000..61fcd54
--- /dev/null
+++ b/src/globbing_test.c
@@ -0,0 +1,140 @@
+/*
+ * globbing_test.c: test program for file-finding functions
+ *
+ * Copyright (C) 1995 Graeme W. Wilford. (Wilf.)
+ * Copyright (C) 2001, 2002, 2003, 2006, 2007, 2008 Colin Watson.
+ *
+ * This file is part of man-db.
+ *
+ * man-db is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * man-db is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with man-db; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+
+#ifdef HAVE_CONFIG_H
+#  include "config.h"
+#endif /* HAVE_CONFIG_H */
+
+#include <assert.h>
+#include <stdbool.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+#include "argp.h"
+#include "error.h"
+#include "gl_list.h"
+#include "progname.h"
+
+#include "gettext.h"
+#define N_(String) gettext_noop (String)
+
+#include "manconfig.h"
+
+#include "debug.h"
+#include "glcontainers.h"
+#include "util.h"
+
+#include "globbing.h"
+
+extern const char *extension;
+static bool match_case = false;
+static bool regex_opt = false;
+static bool wildcard = false;
+static char **remaining_args;
+
+const char *argp_program_version = "globbing " PACKAGE_VERSION;
+const char *argp_program_bug_address = PACKAGE_BUGREPORT;
+error_t argp_err_exit_status = FAIL;
+
+static const char args_doc[] = N_("PATH SECTION NAME");
+
+static struct argp_option options[] = {
+	OPT ("debug", 'd', 0, N_("emit debugging messages")),
+	OPT ("extension", 'e', N_("EXTENSION"),
+	     N_("limit search to extension type EXTENSION")),
+	OPT ("ignore-case", 'i', 0,
+	     N_("look for pages case-insensitively (default)")),
+	OPT ("match-case", 'I', 0, N_("look for pages case-sensitively")),
+	OPT ("regex", 'r', 0, N_("interpret page name as a regex")),
+	OPT ("wildcard", 'w', 0, N_("the page name contains wildcards")),
+	OPT_HELP_COMPAT,
+	{ 0 }
+};
+
+static error_t parse_opt (int key, char *arg, struct argp_state *state)
+{
+	switch (key) {
+		case 'd':
+			debug_level = true;
+			return 0;
+		case 'e':
+			extension = arg;
+			return 0;
+		case 'i':
+			match_case = false;
+			return 0;
+		case 'I':
+			match_case = true;
+			return 0;
+		case 'r':
+			regex_opt = true;
+			return 0;
+		case 'w':
+			wildcard = true;
+			return 0;
+		case 'h':
+			argp_state_help (state, state->out_stream,
+					 ARGP_HELP_STD_HELP);
+			break;
+		case ARGP_KEY_ARGS:
+			if (state->argc - state->next != 3)
+				argp_usage (state);
+			remaining_args = state->argv + state->next;
+			return 0;
+		case ARGP_KEY_NO_ARGS:
+			argp_usage (state);
+			break;
+	}
+	return ARGP_ERR_UNKNOWN;
+}
+
+static struct argp argp = { options, parse_opt, args_doc };
+
+int main (int argc, char **argv)
+{
+	int i;
+
+	set_program_name (argv[0]);
+
+	init_debug ();
+	init_locale ();
+
+	if (argp_parse (&argp, argc, argv, 0, 0, 0))
+		exit (FAIL);
+	assert (remaining_args);
+
+	for (i = 0; i <= 1; i++) {
+		gl_list_t files;
+		const char *file;
+
+		files = look_for_file (remaining_args[0], remaining_args[1],
+				       remaining_args[2], (bool) i,
+				       (match_case ? LFF_MATCHCASE : 0) |
+				       (regex_opt ? LFF_REGEX : 0) |
+				       (wildcard ? LFF_WILDCARD : 0));
+		GL_LIST_FOREACH (files, file)
+			printf ("%s\n", file);
+		gl_list_free (files);
+	}
+	return 0;
+}
diff --git a/src/lexgrog.c b/src/lexgrog.c
new file mode 100644
index 0000000..56663b5
--- /dev/null
+++ b/src/lexgrog.c
@@ -0,0 +1,5398 @@
+#ifdef HAVE_CONFIG_H
+#  include "config.h"
+#endif /* HAVE_CONFIG_H */
+
+#include "manconfig.h"
+
+/* Flex emits several functions which might reasonably have various
+ * attributes applied and many unused macros; none of these are our problem.
+ */
+#if GNUC_PREREQ(8,0)
+#  pragma GCC diagnostic ignored "-Wsuggest-attribute=malloc"
+#endif
+#pragma GCC diagnostic ignored "-Wsuggest-attribute=pure"
+#pragma GCC diagnostic ignored "-Wunused-macros"
+
+#line 17 "lexgrog.c"
+
+#define  YY_INT_ALIGNED short int
+
+/* A lexical scanner generated by flex */
+
+#define FLEX_SCANNER
+#define YY_FLEX_MAJOR_VERSION 2
+#define YY_FLEX_MINOR_VERSION 6
+#define YY_FLEX_SUBMINOR_VERSION 4
+#if YY_FLEX_SUBMINOR_VERSION > 0
+#define FLEX_BETA
+#endif
+
+/* First, we deal with  platform-specific or compiler-specific issues. */
+
+/* begin standard C headers. */
+#include <stdio.h>
+#include <string.h>
+#include <errno.h>
+#include <stdlib.h>
+
+/* end standard C headers. */
+
+/* flex integer type definitions */
+
+#ifndef FLEXINT_H
+#define FLEXINT_H
+
+/* C99 systems have <inttypes.h>. Non-C99 systems may or may not. */
+
+#if defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L
+
+/* C99 says to define __STDC_LIMIT_MACROS before including stdint.h,
+ * if you want the limit (max/min) macros for int types. 
+ */
+#ifndef __STDC_LIMIT_MACROS
+#define __STDC_LIMIT_MACROS 1
+#endif
+
+#include <inttypes.h>
+typedef int8_t flex_int8_t;
+typedef uint8_t flex_uint8_t;
+typedef int16_t flex_int16_t;
+typedef uint16_t flex_uint16_t;
+typedef int32_t flex_int32_t;
+typedef uint32_t flex_uint32_t;
+#else
+typedef signed char flex_int8_t;
+typedef short int flex_int16_t;
+typedef int flex_int32_t;
+typedef unsigned char flex_uint8_t; 
+typedef unsigned short int flex_uint16_t;
+typedef unsigned int flex_uint32_t;
+
+/* Limits of integral types. */
+#ifndef INT8_MIN
+#define INT8_MIN               (-128)
+#endif
+#ifndef INT16_MIN
+#define INT16_MIN              (-32767-1)
+#endif
+#ifndef INT32_MIN
+#define INT32_MIN              (-2147483647-1)
+#endif
+#ifndef INT8_MAX
+#define INT8_MAX               (127)
+#endif
+#ifndef INT16_MAX
+#define INT16_MAX              (32767)
+#endif
+#ifndef INT32_MAX
+#define INT32_MAX              (2147483647)
+#endif
+#ifndef UINT8_MAX
+#define UINT8_MAX              (255U)
+#endif
+#ifndef UINT16_MAX
+#define UINT16_MAX             (65535U)
+#endif
+#ifndef UINT32_MAX
+#define UINT32_MAX             (4294967295U)
+#endif
+
+#ifndef SIZE_MAX
+#define SIZE_MAX               (~(size_t)0)
+#endif
+
+#endif /* ! C99 */
+
+#endif /* ! FLEXINT_H */
+
+/* begin standard C++ headers. */
+
+/* TODO: this is always defined, so inline it */
+#define yyconst const
+
+#if defined(__GNUC__) && __GNUC__ >= 3
+#define yynoreturn __attribute__((__noreturn__))
+#else
+#define yynoreturn
+#endif
+
+/* Returned upon end-of-file. */
+#define YY_NULL 0
+
+/* Promotes a possibly negative, possibly signed char to an
+ *   integer in range [0..255] for use as an array index.
+ */
+#define YY_SC_TO_UI(c) ((YY_CHAR) (c))
+
+/* Enter a start condition.  This macro really ought to take a parameter,
+ * but we do it the disgusting crufty way forced on us by the ()-less
+ * definition of BEGIN.
+ */
+#define BEGIN (yy_start) = 1 + 2 *
+/* Translate the current start state into a value that can be later handed
+ * to BEGIN to return to the state.  The YYSTATE alias is for lex
+ * compatibility.
+ */
+#define YY_START (((yy_start) - 1) / 2)
+#define YYSTATE YY_START
+/* Action number for EOF rule of a given start state. */
+#define YY_STATE_EOF(state) (YY_END_OF_BUFFER + state + 1)
+/* Special action meaning "start processing a new file". */
+#define YY_NEW_FILE yyrestart( yyin  )
+#define YY_END_OF_BUFFER_CHAR 0
+
+/* Size of default input buffer. */
+#ifndef YY_BUF_SIZE
+#ifdef __ia64__
+/* On IA-64, the buffer size is 16k, not 8k.
+ * Moreover, YY_BUF_SIZE is 2*YY_READ_BUF_SIZE in the general case.
+ * Ditto for the __ia64__ case accordingly.
+ */
+#define YY_BUF_SIZE 32768
+#else
+#define YY_BUF_SIZE 16384
+#endif /* __ia64__ */
+#endif
+
+/* The state buf must be large enough to hold one state per character in the main buffer.
+ */
+#define YY_STATE_BUF_SIZE   ((YY_BUF_SIZE + 2) * sizeof(yy_state_type))
+
+#ifndef YY_TYPEDEF_YY_BUFFER_STATE
+#define YY_TYPEDEF_YY_BUFFER_STATE
+typedef struct yy_buffer_state *YY_BUFFER_STATE;
+#endif
+
+#ifndef YY_TYPEDEF_YY_SIZE_T
+#define YY_TYPEDEF_YY_SIZE_T
+typedef size_t yy_size_t;
+#endif
+
+extern int yyleng;
+
+extern FILE *yyin, *yyout;
+
+#define EOB_ACT_CONTINUE_SCAN 0
+#define EOB_ACT_END_OF_FILE 1
+#define EOB_ACT_LAST_MATCH 2
+    
+    #define YY_LESS_LINENO(n)
+    #define YY_LINENO_REWIND_TO(ptr)
+    
+/* Return all but the first "n" matched characters back to the input stream. */
+#define yyless(n) \
+	do \
+		{ \
+		/* Undo effects of setting up yytext. */ \
+        int yyless_macro_arg = (n); \
+        YY_LESS_LINENO(yyless_macro_arg);\
+		*yy_cp = (yy_hold_char); \
+		YY_RESTORE_YY_MORE_OFFSET \
+		(yy_c_buf_p) = yy_cp = yy_bp + yyless_macro_arg - YY_MORE_ADJ; \
+		YY_DO_BEFORE_ACTION; /* set up yytext again */ \
+		} \
+	while ( 0 )
+#define unput(c) yyunput( c, (yytext_ptr)  )
+
+#ifndef YY_STRUCT_YY_BUFFER_STATE
+#define YY_STRUCT_YY_BUFFER_STATE
+struct yy_buffer_state
+	{
+	FILE *yy_input_file;
+
+	char *yy_ch_buf;		/* input buffer */
+	char *yy_buf_pos;		/* current position in input buffer */
+
+	/* Size of input buffer in bytes, not including room for EOB
+	 * characters.
+	 */
+	int yy_buf_size;
+
+	/* Number of characters read into yy_ch_buf, not including EOB
+	 * characters.
+	 */
+	int yy_n_chars;
+
+	/* Whether we "own" the buffer - i.e., we know we created it,
+	 * and can realloc() it to grow it, and should free() it to
+	 * delete it.
+	 */
+	int yy_is_our_buffer;
+
+	/* Whether this is an "interactive" input source; if so, and
+	 * if we're using stdio for input, then we want to use getc()
+	 * instead of fread(), to make sure we stop fetching input after
+	 * each newline.
+	 */
+	int yy_is_interactive;
+
+	/* Whether we're considered to be at the beginning of a line.
+	 * If so, '^' rules will be active on the next match, otherwise
+	 * not.
+	 */
+	int yy_at_bol;
+
+    int yy_bs_lineno; /**< The line count. */
+    int yy_bs_column; /**< The column count. */
+
+	/* Whether to try to fill the input buffer when we reach the
+	 * end of it.
+	 */
+	int yy_fill_buffer;
+
+	int yy_buffer_status;
+
+#define YY_BUFFER_NEW 0
+#define YY_BUFFER_NORMAL 1
+	/* When an EOF's been seen but there's still some text to process
+	 * then we mark the buffer as YY_EOF_PENDING, to indicate that we
+	 * shouldn't try reading from the input source any more.  We might
+	 * still have a bunch of tokens to match, though, because of
+	 * possible backing-up.
+	 *
+	 * When we actually see the EOF, we change the status to "new"
+	 * (via yyrestart()), so that the user can continue scanning by
+	 * just pointing yyin at a new input file.
+	 */
+#define YY_BUFFER_EOF_PENDING 2
+
+	};
+#endif /* !YY_STRUCT_YY_BUFFER_STATE */
+
+/* Stack of input buffers. */
+static size_t yy_buffer_stack_top = 0; /**< index of top of stack. */
+static size_t yy_buffer_stack_max = 0; /**< capacity of stack. */
+static YY_BUFFER_STATE * yy_buffer_stack = NULL; /**< Stack as an array. */
+
+/* We provide macros for accessing buffer states in case in the
+ * future we want to put the buffer states in a more general
+ * "scanner state".
+ *
+ * Returns the top of the stack, or NULL.
+ */
+#define YY_CURRENT_BUFFER ( (yy_buffer_stack) \
+                          ? (yy_buffer_stack)[(yy_buffer_stack_top)] \
+                          : NULL)
+/* Same as previous macro, but useful when we know that the buffer stack is not
+ * NULL or when we need an lvalue. For internal use only.
+ */
+#define YY_CURRENT_BUFFER_LVALUE (yy_buffer_stack)[(yy_buffer_stack_top)]
+
+/* yy_hold_char holds the character lost when yytext is formed. */
+static char yy_hold_char;
+static int yy_n_chars;		/* number of characters read into yy_ch_buf */
+int yyleng;
+
+/* Points to current character in buffer. */
+static char *yy_c_buf_p = NULL;
+static int yy_init = 0;		/* whether we need to initialize */
+static int yy_start = 0;	/* start state number */
+
+/* Flag which is used to allow yywrap()'s to do buffer switches
+ * instead of setting up a fresh yyin.  A bit of a hack ...
+ */
+static int yy_did_buffer_switch_on_eof;
+
+void yyrestart ( FILE *input_file  );
+void yy_switch_to_buffer ( YY_BUFFER_STATE new_buffer  );
+YY_BUFFER_STATE yy_create_buffer ( FILE *file, int size  );
+void yy_delete_buffer ( YY_BUFFER_STATE b  );
+void yy_flush_buffer ( YY_BUFFER_STATE b  );
+void yypush_buffer_state ( YY_BUFFER_STATE new_buffer  );
+void yypop_buffer_state ( void );
+
+static void yyensure_buffer_stack ( void );
+static void yy_load_buffer_state ( void );
+static void yy_init_buffer ( YY_BUFFER_STATE b, FILE *file  );
+#define YY_FLUSH_BUFFER yy_flush_buffer( YY_CURRENT_BUFFER )
+
+YY_BUFFER_STATE yy_scan_buffer ( char *base, yy_size_t size  );
+YY_BUFFER_STATE yy_scan_string ( const char *yy_str  );
+YY_BUFFER_STATE yy_scan_bytes ( const char *bytes, int len  );
+
+void *yyalloc ( yy_size_t  );
+void *yyrealloc ( void *, yy_size_t  );
+void yyfree ( void *  );
+
+#define yy_new_buffer yy_create_buffer
+#define yy_set_interactive(is_interactive) \
+	{ \
+	if ( ! YY_CURRENT_BUFFER ){ \
+        yyensure_buffer_stack (); \
+		YY_CURRENT_BUFFER_LVALUE =    \
+            yy_create_buffer( yyin, YY_BUF_SIZE ); \
+	} \
+	YY_CURRENT_BUFFER_LVALUE->yy_is_interactive = is_interactive; \
+	}
+#define yy_set_bol(at_bol) \
+	{ \
+	if ( ! YY_CURRENT_BUFFER ){\
+        yyensure_buffer_stack (); \
+		YY_CURRENT_BUFFER_LVALUE =    \
+            yy_create_buffer( yyin, YY_BUF_SIZE ); \
+	} \
+	YY_CURRENT_BUFFER_LVALUE->yy_at_bol = at_bol; \
+	}
+#define YY_AT_BOL() (YY_CURRENT_BUFFER_LVALUE->yy_at_bol)
+
+/* Begin user sect3 */
+
+#define yywrap() (/*CONSTCOND*/1)
+#define YY_SKIP_YYWRAP
+typedef flex_uint8_t YY_CHAR;
+
+FILE *yyin = NULL, *yyout = NULL;
+
+typedef int yy_state_type;
+
+extern int yylineno;
+int yylineno = 1;
+
+extern char *yytext;
+#ifdef yytext_ptr
+#undef yytext_ptr
+#endif
+#define yytext_ptr yytext
+
+static yy_state_type yy_get_previous_state ( void );
+static yy_state_type yy_try_NUL_trans ( yy_state_type current_state  );
+static int yy_get_next_buffer ( void );
+static void yynoreturn yy_fatal_error ( const char* msg  );
+
+/* Done after the current pattern has been matched and before the
+ * corresponding action - sets up yytext.
+ */
+#define YY_DO_BEFORE_ACTION \
+	(yytext_ptr) = yy_bp; \
+	yyleng = (int) (yy_cp - yy_bp); \
+	(yy_hold_char) = *yy_cp; \
+	*yy_cp = '\0'; \
+	(yy_c_buf_p) = yy_cp;
+#define YY_NUM_RULES 141
+#define YY_END_OF_BUFFER 142
+/* This struct is not used in this scanner,
+   but its presence is necessary. */
+struct yy_trans_info
+	{
+	flex_int32_t yy_verify;
+	flex_int32_t yy_nxt;
+	};
+static const flex_int16_t yy_accept[1585] =
+    {   0,
+        0,    0,    0,    0,   67,   67,   67,   67,    0,    0,
+        0,    0,    0,    0,    0,    0,  119,  119,    0,    0,
+        0,    0,    0,    0,  126,  126,    8,    8,    0,    0,
+        0,    0,    0,    0,    0,    0,  142,  141,   29,   29,
+       29,  140,   67,   67,  140,  140,  140,  138,  140,  136,
+       83,   67,   67,  140,   83,  106,  106,  106,  101,  106,
+      108,  108,  107,  113,  113,  113,  112,  118,  118,  118,
+      118,  118,  119,  121,  121,  120,  123,  123,  122,  125,
+      125,  124,  126,  126,  140,  137,  140,  140,  140,    7,
+       10,    7,    7,    6,    6,    6,    4,   18,   18,   18,
+
+       19,   19,    0,   28,    0,   27,   27,   29,   67,    0,
+      138,    0,    0,  139,   67,   67,  139,  135,  139,  139,
+      135,   83,   67,    0,    0,  138,    0,  136,   70,   67,
+       76,    0,   62,    0,    0,   64,   66,    0,    0,   61,
+       63,   61,    0,    0,    0,    0,    0,    0,   67,    0,
+       67,   67,  139,  135,   83,   67,    0,   64,    0,  106,
+        0,    0,  101,   94,   95,   96,   97,   98,   99,  100,
+      108,  107,  113,    0,    0,    0,  112,  112,  118,    0,
+        0,    0,  119,  121,  120,  123,  122,  125,  124,  126,
+      137,    0,    0,  126,  126,  139,  139,  139,  139,  126,
+
+      137,   54,    0,  126,   39,    7,    0,    9,    0,   10,
+        7,    6,    0,    3,    4,    3,    4,    3,   18,    0,
+        0,    0,   18,   19,   28,    0,    0,    0,   27,   27,
+       27,   27,   27,   27,   27,   27,   27,   27,   57,    0,
+        0,   67,    0,    0,   36,   36,   36,   36,   36,   36,
+       36,   36,    0,   50,    0,    0,    0,    0,    0,    0,
+      130,    0,    0,    0,    0,    0,    0,    0,    0,    0,
+        0,    0,   48,    0,   57,    0,   49,    0,   58,   76,
+       72,    0,    0,    0,    0,    0,    0,    0,    0,   75,
+       75,   75,    0,    0,    0,    0,    0,    0,   69,    0,
+
+       77,   78,    0,   79,    0,    0,   81,    0,    0,   67,
+        0,    0,   36,   36,   36,   36,    0,    0,    0,    0,
+        0,    0,    0,    0,    0,    0,    0,    0,    0,    0,
+       93,  102,  103,  104,  105,  101,   94,   95,   96,   97,
+       98,   99,  100,    0,    0,    0,    0,    0,    0,   60,
+        0,  126,   38,   38,  126,   38,   38,   38,   38,   37,
+       54,    7,    0,    0,    0,    9,    0,    0,    0,    0,
+        0,    0,    0,    0,    0,    0,    0,    0,    0,    0,
+        0,    0,    0,    0,    0,    7,    5,    3,    3,    4,
+        4,    4,    3,    0,    0,    0,    0,    0,   16,    0,
+
+       21,   27,   27,   27,   27,   20,   27,   27,   27,   57,
+        0,    0,    0,    0,    0,    0,   36,   36,   36,   36,
+       36,   36,   36,   36,   36,   36,   36,   36,   36,   36,
+       36,   36,   36,   36,   36,   36,   36,   36,   36,   36,
+       36,   36,   36,   36,   36,   36,   36,   36,   36,   36,
+       36,   36,   36,   36,   36,   36,   36,   36,   36,   36,
+       36,   36,   36,   36,   36,   51,   41,    0,    0,    0,
+        0,    0,  128,   59,    0,  130,   47,  129,    0,    0,
+       30,    0,    0,    0,  127,   34,   53,    0,   35,   33,
+       52,   32,    0,    0,    0,   49,   84,   73,   62,   55,
+
+       63,   68,    0,    0,    0,    0,    0,    0,    0,    0,
+        0,   36,   36,   36,   36,   36,   36,   36,   36,   36,
+       36,   36,   36,   85,    0,   87,   92,   88,   89,   90,
+       91,    0,    0,    0,   64,    0,   93,  102,  103,  104,
+      105,    0,    0,    0,  116,  114,    0,   38,   38,   38,
+       38,   37,   38,   38,    7,    0,    0,    0,    0,    0,
+        0,    0,    0,    0,    0,    0,    0,    0,    0,    0,
+        0,    0,    0,    0,    0,    0,    0,    0,    0,    0,
+        0,    0,    0,    7,    5,    3,    3,    4,    4,    4,
+        0,    3,    3,   12,   14,   13,   15,   11,   17,   21,
+
+       25,   26,   20,   22,   24,   23,   55,    0,   36,   36,
+       36,   36,   36,   36,   36,   36,   36,   36,   36,   36,
+       36,   36,   36,   36,   36,   36,   36,   30,   36,   36,
+       36,   36,   34,   36,   36,   35,   33,   36,   32,   36,
+       36,   36,   36,   36,   36,   36,   36,   36,   36,   36,
+       36,   36,   36,   36,   36,   36,   36,   36,   36,   36,
+       36,   36,   36,   36,   36,   36,   36,   40,  132,  131,
+       45,  128,   59,   46,   47,  129,  134,  133,   30,   42,
+       44,   31,  127,   34,   34,   53,   43,   35,   33,   52,
+       32,    0,   84,   55,   74,    0,   71,   56,   80,   82,
+
+       36,   36,   36,   36,   36,   36,   36,   36,   36,   36,
+       36,   36,   36,   36,   85,   86,   87,   92,   88,   89,
+       90,   91,    0,   65,    0,  110,    0,  116,  117,  114,
+      115,   38,   38,    7,    0,    0,    0,    0,    0,    0,
+        0,    0,    0,    0,    0,    0,    0,    0,    0,    0,
+        0,    0,    0,    0,    0,    0,    0,    0,    0,    0,
+        0,    0,    0,    0,    0,    0,    0,    0,    0,    7,
+        3,    3,    4,    4,    4,    4,    4,    4,    4,    4,
+        4,    4,    4,    4,    4,    4,    4,    4,    4,    4,
+        4,    4,    4,    4,    4,    0,    0,    0,    0,    0,
+
+        0,    0,    0,    0,    0,    0,    0,    0,    0,    0,
+        0,    0,    0,    0,    0,    3,    3,   25,   26,   22,
+       24,   23,   56,   36,   36,   36,   36,   36,   36,   36,
+       36,   36,   36,   36,   36,   36,   36,   36,   36,   36,
+       36,   36,   30,   36,   36,   31,   36,   34,   34,   36,
+       36,   35,   33,   36,   32,   36,   36,   36,   36,   36,
+       36,   36,   36,   36,   36,   36,   36,  132,  131,   45,
+      134,  133,   44,   43,   56,   56,   82,   36,   36,   36,
+       36,   36,   36,   36,   36,   36,   36,   86,   65,  109,
+      110,  111,  117,  115,    7,    2,    0,    0,    0,    0,
+
+        0,    0,    0,    0,    0,    0,    0,    0,    0,    0,
+        0,    0,    0,    0,    0,    0,    0,    0,    0,    0,
+        7,    3,    4,    4,    4,    4,    4,    4,    4,    4,
+        4,    4,    4,    4,    4,    4,    4,    4,    4,    4,
+        4,    4,    4,    4,    1,    4,    4,    4,    4,    4,
+        4,    4,    4,    4,    4,    4,    4,    4,    4,    4,
+        4,    4,    4,    4,    4,    4,    4,    4,    4,    4,
+        4,    1,    0,    0,    0,    0,    0,    0,    0,    0,
+        0,    0,    0,    0,    0,    0,    0,    0,    0,    0,
+        0,    0,    0,    0,    0,    0,    0,    0,    3,   36,
+
+       36,   36,   36,   36,   36,   36,   36,   36,   36,   36,
+       36,   36,   36,   36,   36,   36,   36,  109,  111,    7,
+        0,    0,    0,    0,    0,    0,    0,    0,    0,    0,
+        0,    0,    0,    0,    0,    0,    0,    0,    0,    0,
+        0,    0,    7,    3,    4,    4,    4,    4,    4,    4,
+        4,    4,    4,    4,    4,    4,    4,    4,    4,    4,
+        4,    4,    4,    4,    4,    4,    1,    4,    4,    4,
+        4,    4,    4,    4,    4,    4,    4,    4,    4,    4,
+        4,    4,    4,    4,    4,    4,    4,    4,    4,    4,
+        4,    4,    4,    1,    1,    4,    4,    1,    4,    4,
+
+        4,    4,    4,    4,    4,    4,    1,    4,    1,    4,
+        4,    4,    4,    4,    4,    4,    4,    4,    4,    4,
+        4,    4,    4,    4,    4,    4,    4,    4,    4,    4,
+        4,    4,    1,    1,    0,    0,    1,    0,    0,    0,
+        0,    0,    0,    0,    0,    1,    0,    1,    0,    0,
+        0,    0,    0,    0,    0,    0,    0,    0,    0,    0,
+        0,    0,    0,    0,    0,    0,    0,    0,    0,    0,
+        0,    3,   36,   36,   36,    7,    0,    0,    0,    0,
+        0,    0,    0,    0,    0,    0,    0,    0,    0,    0,
+        0,    7,    3,    4,    4,    4,    4,    4,    4,    4,
+
+        4,    4,    4,    4,    4,    4,    4,    4,    4,    4,
+        4,    4,    4,    4,    4,    1,    4,    4,    4,    4,
+        4,    4,    4,    4,    4,    4,    4,    4,    4,    4,
+        4,    4,    4,    4,    4,    4,    4,    4,    4,    4,
+        4,    4,    1,    1,    4,    4,    1,    4,    4,    4,
+        4,    4,    4,    4,    4,    1,    4,    1,    4,    4,
+        4,    4,    4,    4,    4,    4,    4,    4,    4,    4,
+        4,    4,    4,    4,    4,    4,    4,    4,    4,    4,
+        4,    1,    4,    4,    4,    4,    4,    4,    4,    4,
+        1,    4,    4,    4,    4,    4,    4,    4,    4,    4,
+
+        4,    4,    4,    4,    4,    4,    4,    4,    4,    4,
+        4,    1,    0,    0,    0,    0,    0,    0,    0,    0,
+        1,    0,    0,    0,    0,    0,    0,    0,    0,    0,
+        0,    0,    0,    0,    0,    0,    0,    0,    0,    0,
+        0,    3,    7,    0,    0,    0,    0,    0,    0,    0,
+        0,    0,    0,    0,    0,    0,    0,    0,    0,    0,
+        0,    7,    3,    3,    4,    4,    1,    0,    1,    0,
+        1,    0,    1,    0,    0,    0,    0,    0,    0,    1,
+        0,    0,    0,    0,    0,    0,    0,    0,    0,    0,
+        0,    0,    0,    0,    0,    3,    3,    0,    0,    0,
+
+        0,    0,    0,    0,    0,    0,    0,    0,    0,    8,
+        0,    0,    0,    0,    0,    0,    0,    0,    0,    1,
+        1,    0,    0,    0,    0,    0,    0,    1,    1,    1,
+        0,    1,    0,    0,    0,    0,    0,    0,    0,    0,
+        0,    0,    0,    0,    0,    0,    0,    0,    1,    1,
+        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
+        1,    0,    0,    0,    0,    0,    0,    0,    1,    0,
+        1,    0,    0,    0,    0,    0,    0,    0,    0,    1,
+        1,    1,    1,    1,    1,    1,    1,    1,    0,    0,
+        0,    0,    0,    0,    0,    0,    0,    0,    1,    1,
+
+        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
+        0,    0,    0,    0,    1,    1,    0,    1,    1,    1,
+        1,    1,    1,    1,    1,    1,    0,    0,    0,    0,
+        1,    1,    1,    1,    1,    1,    0,    0,    0,    0,
+        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
+        1,    1,    0,    0,    0,    0,    1,    1,    1,    0,
+        0,    0,    0,    0,    0,    0,    0,    1,    0,    0,
+        0,    0,    0,    0,    0,    0,    0,    0,    0,    0,
+        0,    0,    1,    0
+    } ;
+
+static const YY_CHAR yy_ec[256] =
+    {   0,
+        1,    1,    1,    1,    1,    1,    1,    1,    2,    3,
+        1,    1,    4,    1,    1,    1,    1,    1,    1,    1,
+        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
+        1,    5,    6,    7,    8,    9,    6,   10,   11,   12,
+       13,   14,   15,   16,   17,   18,    1,   19,   20,   21,
+       22,   23,   24,   25,   26,   27,   27,    1,    1,    1,
+        1,    1,    1,    1,   28,   29,   30,   31,   32,   33,
+       34,   35,   36,   37,   38,   39,   40,   41,   42,   43,
+       44,   45,   46,   47,   48,   49,   50,   51,   52,   53,
+       54,   55,   56,    6,   57,   58,   59,   60,   61,   62,
+
+       63,   64,   65,   66,   67,   68,   69,   70,   71,   72,
+       73,   74,   75,   76,   77,   78,   79,   80,   81,   82,
+       83,   84,    6,   85,    6,   86,    1,    1,   87,    1,
+        1,   88,   89,   90,    1,    1,   91,   92,    1,    1,
+       93,    1,   94,   95,   96,   97,    1,    1,   98,    1,
+       99,  100,    1,    1,    1,  101,  102,  103,    1,    1,
+      104,    1,    1,  105,  106,  107,  108,  109,  110,  111,
+        1,    1,  112,  113,  114,  115,  116,  117,  118,  119,
+      120,    1,  121,  122,  123,    1,  124,  125,  126,  127,
+        1,    1,    1,    1,  128,  129,    1,    1,    1,    1,
+
+        1,    1,    1,  130,    1,    1,    1,  131,  132,    1,
+        1,    1,    1,    1,    1,  133,  134,    1,    1,    1,
+        1,    1,    1,  135,    1,    1,    1,  136,  137,    1,
+      138,    1,    1,    1,  139,  140,    1,    1,  141,    1,
+        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
+        1,    1,    1,    1,    1
+    } ;
+
+static const YY_CHAR yy_meta[142] =
+    {   0,
+        1,    2,    3,    4,    2,    1,    5,    1,    1,    1,
+        6,    7,    1,    1,    1,    1,    1,    1,    8,    9,
+        9,    9,    9,    8,    8,    8,    8,   10,   10,   10,
+       10,   10,   10,   10,   10,   10,   10,   10,   10,   10,
+       10,   10,   10,   10,   10,   10,   10,   10,   10,   10,
+       10,   10,   10,    1,    1,    1,    1,    1,   11,   11,
+       11,   11,   11,   11,   11,   11,   11,   11,   11,   11,
+       11,   11,   11,   11,   11,   11,   11,   11,   11,   11,
+       11,   11,   11,   11,    1,    1,    1,    1,    1,    1,
+        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
+
+        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
+        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
+        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
+        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
+        1
+    } ;
+
+static const flex_int16_t yy_base[1769] =
+    {   0,
+        0,    0,    0,    2,    6,    0,  146,  150,  153,  154,
+      234,    0,  375,    0,  152,  513, 6063, 6062,  591,    0,
+      732,    0,  873,    0,  157,  166,  161,  174,  176,  177,
+        0,    0,  181,  186, 6060, 6050, 6044, 7576, 7576,  206,
+     6040, 7576,  516,  523, 1013, 5978, 5977,  191, 6014,    0,
+     1066, 1024, 1031, 6024,  512, 7576, 6023, 5999,  202,  522,
+     7576, 6007,    0, 7576, 5996,  156,  224, 7576, 5985, 5910,
+     5888, 5881,    0, 7576, 5926,    0, 7576, 5915,    0, 7576,
+     5905,    0, 1036, 1042, 5904,  534,  216, 5901, 5840,    0,
+      551, 5893, 5890, 7576, 5883, 5830, 1054,    0,  546, 5881,
+
+     7576, 5871,  565,  569, 5861,    0, 1120, 1090, 1155, 1171,
+      557, 5846, 1099, 7576, 1176, 1187, 1198, 5798, 5797, 5834,
+     1252, 1327, 1216, 5834, 5601,  572,  574,    0, 7576, 1026,
+        0, 1223, 7576, 1193,  511,  579, 7576, 1046,  519, 5607,
+     7576, 7576, 5672,    0, 5671, 5675, 1332, 1054, 1206, 1020,
+     1234, 1272, 5678, 1280, 1010, 1359, 1356, 7576, 1044, 7576,
+     5600, 1245, 1418, 1018, 1019, 1058, 1085, 1112, 1117, 1132,
+     7576,    0, 7576, 5609, 5615, 5614, 1181, 1204, 7576, 5598,
+     5603, 5608,    0, 7576,    0, 7576,    0, 7576,    0, 1363,
+     1370, 1426, 5668, 1393, 1442, 5669, 1050, 5666, 5613, 1447,
+
+     1451, 1455, 5666, 1227, 7576,    0, 1459, 1503, 5665, 1463,
+     5662, 7576, 5659, 5658, 5657, 5656, 1435, 5655,    0, 1276,
+     5658, 1437, 1282, 7576, 7576, 5657, 1472, 5647,    0, 1484,
+     1490, 5578,  177, 1481, 5576, 1153, 5569, 1476, 1212, 1239,
+     1252, 1521, 1552, 1558, 5643, 1563, 1569, 1034, 1100,  169,
+     1642, 1717, 1431, 7576, 5642, 1543, 5601, 1576, 5600,  460,
+     1472, 1553, 1624, 5570, 1200,    0, 5565, 5577,  508, 1099,
+     5574, 1548, 7576, 5624, 1315, 1277,    0, 5622, 1532,    0,
+     7576,    0, 5511,  160, 5510, 5485, 5500, 5487, 5495, 7576,
+        0,    0, 1582,    0,    0,  983, 5481, 5496, 7576,    0,
+
+     7576, 7576,    0, 7576,    0, 1718, 7576, 1590,    0, 1606,
+     1063, 5559, 1601, 5558, 1802, 1877, 5482, 1618, 5483, 5474,
+     1041, 5473, 5471, 1586, 1123, 5460, 5475, 1152, 5458, 5473,
+     1547, 1610, 1624, 1646, 1653, 1660, 1664, 1670, 1677, 1694,
+     1703, 1708, 1710, 5465, 5460, 5457, 5473, 5462, 5461, 1744,
+     1748, 1753,    0, 1757, 1764, 5530, 1777, 5526, 5472, 7576,
+     1811,    0, 1962, 5525,    0, 1820, 5497,  499,  525,  979,
+     1233, 1362, 1941, 1450, 5371, 5452, 5382, 5365,   98, 5383,
+     5400, 5376, 1145, 5377, 5385, 5481,    0, 5476, 5475, 5474,
+     5473, 1868, 5472, 5434, 5457, 5430, 5455, 5428, 7576, 5427,
+
+        0, 1728, 1752, 1758, 1759, 1780, 1834, 1850, 1854, 1856,
+     1254, 5389, 5404, 1312, 5387, 5402, 5465, 1897, 1905, 1151,
+     1916, 1967, 1289, 1193, 1901, 1910, 5464, 1990, 1373, 2013,
+     1470, 1423, 2008, 1998, 2028, 1179, 1864, 2109, 1574, 1167,
+     1625, 1533, 1303, 2052, 5463, 1923,    0, 2160, 5462, 5461,
+     2007, 5451, 2020, 5459, 2035, 2044, 1184, 5458, 5457, 2185,
+     2236, 2309, 1493, 2391, 2074, 7576, 1980, 1863, 1888, 1940,
+     1992, 2031, 2047, 2057, 2079, 2098, 2104, 2111, 2112, 2117,
+     2118, 2119, 2123, 2125, 2129, 2173,    0, 2131, 2162, 2163,
+        0, 2164, 1519, 5376, 5391,    0, 2168, 7576, 7576, 2169,
+
+     7576, 7576,    0,    0, 5446, 5391, 5389,    0,    0, 5436,
+     5431, 5438, 2244, 1339, 2362, 1476, 1059, 1729, 1636, 1683,
+     2133, 5437, 2187, 2174, 5357, 2189, 2198, 2239, 2240, 2241,
+     2246, 1545, 5355, 5370, 7576, 5379, 2250, 2252, 2254, 2288,
+     2289, 5367, 5373, 5341, 2398, 2321, 5340,    0, 2418, 2423,
+     5397,    0, 2394,    0,    0, 2472, 5398,    0, 2329, 1614,
+     1648, 2369, 1791, 2401, 1797, 1852, 1858, 1877, 5384, 2343,
+     1895, 1258, 1725, 1536, 5264, 5263, 1693, 5260, 5281, 5298,
+     5264, 5298, 5267, 5380,    0, 5377, 5376, 5375, 5374, 2611,
+     2750, 5373, 5372, 7576, 7576, 7576, 7576, 7576, 7576,    0,
+
+        0,    0, 2322,    0,    0,    0, 2323, 5322, 2380, 2392,
+        0, 5364, 2361, 2431, 2400, 2440, 2454, 2459, 2460, 2464,
+     2465, 2466, 2477, 2478, 2482, 2484, 2486, 2488, 2490, 2494,
+     2500, 2501, 2502,    0, 2509, 2515, 2516,    0, 2521,    0,
+        0,    0, 5317, 1645, 5316, 5291, 5306, 5293, 5301,    0,
+        0, 2522, 1815, 1909, 5287, 5302,    0, 2863,    0,    0,
+     2889,    0, 1781, 2521,    0, 2523, 1894, 7576,    0,    0,
+        0, 2527, 2533, 2547, 2548, 2549,    0,    0, 2553, 2554,
+        0, 2555, 2559, 2560, 2561,    0,    0, 2565, 2566,    0,
+     2570, 5312, 2571, 2572, 7576, 5311, 7576, 2576, 7576,    0,
+
+     2577, 5284, 2578, 2582, 2583, 2584, 2588, 2589, 1935, 5282,
+     5297, 1989, 5280, 5295, 2590, 2594, 2595, 2615, 2617, 2619,
+     2621, 2623, 5305, 7576, 5292, 2625, 5279, 2627, 2629, 2631,
+     2633, 2639, 2657,    0, 2665, 2644, 5344, 1956, 2669, 1971,
+     5334, 1820, 1975, 2221, 2647, 2380, 2614, 2680, 2609, 2696,
+     2623, 5334, 2603, 2635, 2624, 5304, 5228, 5251, 5233, 1277,
+     1993, 5251, 5213, 5228, 5173, 2675, 5171, 5166, 5166, 5295,
+        0,    0,    0,    0, 2972, 2734, 2658, 2658, 2651, 2652,
+     2661, 2760, 2674, 5171, 1148, 5252, 5182, 5169,  125, 5187,
+     5204, 5178, 1994, 5179, 5187, 2955, 2672, 2672, 2665, 2668,
+
+     2680, 2988, 2688, 5160, 1360, 5241, 5171, 5158, 1776, 5176,
+     5193, 5168, 2106, 5169, 5177,    0,    0,    0,    0,    0,
+        0,    0, 2709, 2139, 5194, 5209, 2264, 5192, 5207,    0,
+     2713,    0,    0,    0,    0, 2724, 2725, 2756, 2762, 2763,
+        0,    0, 2771, 2778,    0, 2780, 2793, 2798, 2802,    0,
+        0, 2804, 2809,    0, 2816,    0,    0, 2820,    0,    0,
+        0, 1965, 5217, 3089, 3115, 2021, 2064,    0,    0,    0,
+        0,    0,    0,    0, 2824, 2826,    0, 2830, 2832, 2836,
+     2838, 2840, 2842, 2844, 2846,    0, 5216, 2848, 7576, 2850,
+     2852, 2854, 2856, 2870,    0, 2941, 2763, 2905, 5260, 2931,
+
+     2958, 2942, 3001, 2958, 2962, 2966, 5177, 5152, 2399, 5135,
+     5132, 5130, 5117, 5135, 2399, 1959, 2623, 5124, 5124, 5138,
+     5238,    0,    0, 3198, 3181, 2976, 2982, 2983, 2986, 2997,
+     3214, 3003, 5113, 1977, 5194, 5123, 5110, 2160, 5128, 5143,
+     5113, 2781, 5113, 5118, 3206, 2979, 3001, 3045, 2993, 3215,
+     2986, 2997, 3000, 3001, 5203, 2965, 2999, 2967, 3331, 3281,
+     2328, 2807, 5081, 5080, 2263, 5075, 5096, 5113, 5077, 5110,
+     5047, 3242, 2996, 3018, 3197, 3041, 3357, 3034, 3166, 3180,
+     3183, 5152, 2983, 3183, 2999, 5150, 3398, 2381, 2844, 5027,
+     5023, 2912, 5017, 5032, 5046, 5012, 5048, 5017,    0, 2983,
+
+     5079, 3094,    0,    0,    0,    0,    0,    0,    0, 3167,
+        0,    0, 3202,    0, 3228, 3210,    0, 3214, 3265,    0,
+     3210, 3280, 3225, 3226, 3210, 3242, 3342, 2696, 5036, 3287,
+     5023, 4995, 5014, 5012, 4988, 2989, 4999, 4980, 4978, 4988,
+     4979, 4972, 5050,    0,    0, 3440, 3423, 3260, 3260, 3277,
+     3279, 3292, 3456, 3298, 4926, 2345, 5005, 4935, 4916, 2508,
+     4934, 4947, 4920, 3075, 4895, 4899, 3334, 3342, 3364, 3375,
+     3357, 3457, 3351, 3361, 3362, 3363, 4982, 3301, 3355, 3183,
+     3573, 3523, 2753, 3142, 4860, 4859, 3215, 4855, 4876, 4892,
+     4857, 4893, 4860, 3448, 3388, 3335, 3404, 3484, 3399, 4966,
+
+     3348, 3406, 3422, 3492, 3424, 3591, 3576, 3438, 3627, 3450,
+     4958, 3441, 3471, 3459, 3673, 3607, 3672, 3720, 4928, 4852,
+     4873, 4855, 2612, 2383, 4850, 4811, 4826, 4798, 3389, 4795,
+     4760, 4759, 3507, 3444, 3444, 3469, 3584, 3493, 4880, 3363,
+     3494, 3519, 3605, 3520, 3695, 3673, 3530, 3748, 3536, 4880,
+     3577, 3612, 3601,    0, 3742, 3793, 3797, 4850, 4773, 4795,
+     4774, 2659, 2542, 4758, 4714, 4729, 4701, 3655, 4698, 4689,
+     4689,    0, 3470, 3647, 3681,    0, 3610, 3686, 3730, 3796,
+     4696, 4694, 4650, 4662, 4643, 4656, 3802, 3825, 3843, 4632,
+     3863, 4763, 4758, 4757, 3936, 3855, 3779, 3732, 3816, 3829,
+
+     3759, 3887, 3886, 1507, 3824, 1595, 1967, 2759, 3565, 3306,
+     2986, 1385, 3593, 2487, 3663, 3856, 3825, 3892, 3946, 3879,
+     3968, 3836, 3873, 3940, 3941, 2165, 3883, 3918, 3905, 3449,
+     4011, 3890, 3450, 2058, 3621, 3828, 2982, 3648, 3265, 2646,
+     3781, 1353, 3767, 3901, 3995, 3992, 4038, 4006, 3510, 3575,
+     3832, 4013, 4022, 4015, 4050, 4044, 3882, 4090, 4051, 2855,
+     4007, 4054, 4055, 4746, 4097, 4135, 4139, 1766, 2322, 3914,
+     3646, 4070, 3949, 3591, 1810, 3993, 3817, 4101, 2700, 3511,
+     3951, 4100, 3761, 4190, 4082, 4105, 3323, 3961, 4113, 4035,
+     4194, 4103, 4141, 4108, 4233, 3674, 3897, 3975, 3910, 3997,
+
+     3999, 3207, 1523, 2690, 4109, 4081, 4117, 4116, 3835, 3900,
+     2025, 3779, 4162, 4265, 4153, 4148, 4740, 4142, 4174, 4199,
+     4255, 4214, 4218, 4221, 4743, 4646, 4626, 4596, 4569, 3598,
+     4550, 4545, 4550, 4487, 4505, 4046, 4086, 4079, 4487, 4479,
+     4489, 4585, 7576, 4222, 4228, 4200, 4140, 4468, 4447, 4466,
+     4299, 4303, 4309, 4316, 4321, 4326, 4330, 4334, 4338, 4342,
+     4441, 4514,    0,    0, 7576, 4320, 4198,    0, 4348, 4357,
+     4357, 4237, 4363, 4322, 4326, 4317, 4333, 4400, 4481, 4386,
+     4195, 4398, 4252, 4380, 4352, 4347, 4311, 4287, 4084, 4296,
+     4279, 4276, 4285, 4274, 4228,    0,    0, 4323, 4358, 4168,
+
+     4130, 4128, 4124, 4159, 4133, 4402, 4406, 4428, 4150, 4237,
+     4449, 4104, 4087, 4378, 4373, 4454, 4454,    0, 4470, 4432,
+     4433, 4005, 3978, 3965, 3961, 3872, 3856, 4441, 4460, 4461,
+     3826, 4498, 4375, 4430, 4070, 4154, 4023, 3844, 4503, 3790,
+     4461, 4468, 4519, 4446, 4271, 3678, 3660, 3630, 4507, 4542,
+     4543, 4553, 4559, 4565, 4569, 4573, 4610, 4611, 4620, 4624,
+     4628, 3568, 4500, 4492, 4635, 4639, 3507, 4626, 4549,    0,
+     4652, 4511, 4592, 3445, 3371, 3145, 3132, 3136, 2990, 4653,
+     4765, 4692, 4665, 4819, 4719, 4675, 4873, 4925, 2965, 4326,
+     4382, 4681, 4623, 4641, 4437, 4460, 4344, 2955, 4979, 4720,
+
+     4934, 4726, 5033, 4777, 5085, 4828, 5139, 4874, 5094, 4882,
+     2868, 2747, 4664, 4660, 4991, 4990, 2739, 4736, 5140, 5146,
+     4740, 5150, 5154, 4950, 5158, 5191, 4473, 4479, 4559, 4560,
+     5237, 5281, 5333, 5377, 5429, 5473, 2729, 2618, 2586, 2578,
+     5525, 4997, 5553, 4998, 5552, 5034, 5580, 5042, 5632, 5195,
+     5660, 5214, 4536, 4571, 4610, 4646, 4954, 5036, 5111, 4787,
+     2473, 2385, 2300, 4576, 4656, 4579, 2064, 5223, 1711, 4717,
+     4640, 1697, 1563, 4722, 4771, 1553, 1537, 4725, 4777, 5122,
+     1499, 4845, 5227, 7576, 5713, 5724, 5735, 5746, 5757, 5768,
+     5779, 5790, 5801, 5812, 5823, 5827, 5838, 5849, 5860, 5871,
+
+     5882, 5893, 5904, 5915, 5926, 5937, 5948, 5959, 5963, 5974,
+     5985, 5996, 6007, 6012, 6013, 6018, 6029, 6040, 6051, 6062,
+     6073, 6084, 6095, 6106, 6117, 6128, 6139, 6150, 6161, 1225,
+     6172, 6183, 6194, 6205, 6216, 6227, 6238, 6249, 1197, 6251,
+     6262, 6273, 6284, 6295, 6306, 6317, 6328, 6339, 6350, 6361,
+     6372, 6383, 6394, 6405, 6416, 6427, 6438, 6449, 6460, 6471,
+     1086, 6473, 6484, 6495, 6506, 6517, 6528, 6539, 6550, 6561,
+     6572, 6583, 6594, 6605, 6616, 6627, 6638, 6649, 6660, 6671,
+     6682, 6693, 6704, 6715, 6726, 6737, 6748, 6759, 6770, 6781,
+     6792, 6803, 6814, 6825, 6836, 6847, 6858, 6869, 6880, 6891,
+
+     6902, 6913, 6924, 6935, 6946, 6957, 6968, 6979, 6990, 7001,
+     7012, 7023, 7034, 7045, 7056, 7067, 7078, 7089, 7100, 7111,
+     7122, 7133, 7144, 7155, 7166, 7177, 7188, 7199, 7210, 7221,
+     7232, 7243, 7254, 7265, 7276, 7287, 7298, 7303, 7313, 7324,
+     7335, 7346, 7357, 7368, 7379, 7390, 7401, 7412, 7423, 7434,
+     1022, 7445, 7456, 7467, 7478, 7489, 7500, 7507, 7513, 7523,
+      553, 7528,  541, 7538, 7549, 7560, 7565,  182
+    } ;
+
+static const flex_int16_t yy_def[1769] =
+    {   0,
+     1585, 1585, 1586, 1586, 1584,    5,    5,    5, 1587, 1587,
+     1584,   11, 1584,   13, 1588, 1588, 1589, 1589, 1584,   19,
+     1584,   21, 1584,   23, 1590, 1590, 1591, 1591, 1592, 1592,
+     1585, 1585, 1593, 1593, 1594, 1594, 1584, 1584, 1584, 1584,
+     1584, 1584, 1584, 1595, 1584, 1584, 1584, 1584, 1584, 1596,
+     1584, 1584, 1595, 1584,   51, 1584, 1584, 1584, 1597, 1584,
+     1584, 1584, 1598, 1584, 1584, 1584, 1599, 1584, 1584, 1584,
+     1584, 1584, 1600, 1584, 1584, 1601, 1584, 1584, 1602, 1584,
+     1584, 1603, 1584, 1595, 1584, 1584, 1584, 1584, 1584, 1604,
+     1584, 1604, 1604, 1584, 1584, 1584, 1605, 1606, 1584, 1606,
+
+     1584, 1584, 1584, 1584, 1584, 1607, 1607, 1584, 1584, 1584,
+     1584, 1584, 1584, 1584, 1584, 1608, 1584, 1584, 1584, 1584,
+     1584, 1584, 1595, 1584, 1584, 1584, 1584, 1609, 1584, 1584,
+     1610, 1584, 1584, 1611, 1612, 1584, 1584, 1584, 1613, 1584,
+     1584, 1584, 1614, 1615, 1616, 1584, 1584, 1584, 1584, 1584,
+     1584, 1608, 1584,  121,  122, 1595, 1611, 1584, 1613, 1584,
+     1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584,
+     1584, 1617, 1584, 1584, 1584, 1584, 1618, 1584, 1584, 1584,
+     1584, 1584, 1619, 1584, 1620, 1584, 1621, 1584, 1622, 1584,
+     1584, 1584, 1584, 1584, 1623, 1584, 1584, 1584, 1584, 1595,
+
+     1584, 1584, 1584, 1584, 1584, 1624, 1584, 1584, 1584, 1584,
+     1624, 1584, 1584, 1625, 1626, 1625, 1626, 1625, 1627, 1584,
+     1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584, 1628, 1628,
+     1628, 1628, 1628, 1628, 1628, 1628, 1628, 1628, 1584, 1584,
+     1584, 1584, 1629, 1584, 1629, 1629, 1629, 1629, 1629, 1629,
+     1629, 1629, 1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584,
+     1584, 1584, 1584, 1584, 1584, 1630, 1584, 1584, 1584, 1584,
+     1584, 1584, 1584, 1631, 1584, 1584, 1632, 1584, 1584, 1633,
+     1584, 1634, 1634, 1634, 1634, 1634, 1634, 1634, 1634, 1584,
+     1635, 1636, 1584, 1637, 1638, 1638, 1638, 1638, 1584, 1639,
+
+     1584, 1584, 1640, 1584, 1641, 1584, 1584, 1584, 1642, 1584,
+     1629, 1584, 1629, 1629, 1629, 1629, 1584, 1584, 1584, 1584,
+     1584, 1584, 1584, 1584, 1634, 1634, 1634, 1638, 1638, 1638,
+     1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584,
+     1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584,
+     1584, 1584, 1643, 1643, 1644, 1643, 1643, 1643, 1643, 1584,
+     1584, 1645, 1584, 1584,  363,  363, 1584, 1584, 1584, 1584,
+     1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584,
+     1584, 1584, 1584, 1584, 1584, 1645, 1646, 1647, 1647, 1648,
+     1648, 1648, 1649, 1584, 1584, 1584, 1584, 1584, 1584, 1584,
+
+     1650, 1651, 1651, 1651, 1651, 1651, 1651, 1651, 1651, 1584,
+     1584, 1584, 1584, 1584, 1584, 1584, 1629, 1629, 1629, 1629,
+     1629, 1629, 1629, 1629, 1629, 1629, 1629, 1629, 1629, 1629,
+     1629, 1629, 1629, 1629, 1629, 1629, 1629, 1629, 1629, 1629,
+     1629, 1629, 1629, 1629, 1629, 1629, 1652, 1629, 1629, 1629,
+     1653, 1654, 1629, 1629, 1629, 1629, 1629, 1629, 1629, 1629,
+     1629,  461, 1629, 1629, 1629, 1584, 1584, 1584, 1584, 1584,
+     1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584,
+     1584, 1584, 1584, 1584, 1584, 1584, 1655, 1584, 1584, 1584,
+     1656, 1584, 1584, 1584, 1584, 1657, 1584, 1584, 1584, 1584,
+
+     1584, 1584, 1658, 1659, 1660, 1584, 1584, 1661, 1662, 1663,
+     1664, 1629, 1629, 1629, 1629, 1629, 1629, 1629, 1629, 1629,
+     1665, 1629, 1629, 1584, 1584, 1584, 1584, 1584, 1584, 1584,
+     1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584,
+     1584, 1584, 1584, 1584, 1584, 1584, 1584, 1666, 1666, 1666,
+     1666, 1666, 1666, 1666, 1667, 1584, 1584,  556, 1584, 1584,
+     1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584,
+     1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584,
+     1584, 1584, 1584, 1667, 1668, 1669, 1669, 1670, 1670, 1670,
+     1584, 1671, 1671, 1584, 1584, 1584, 1584, 1584, 1584, 1672,
+
+     1673, 1674, 1675, 1676, 1677, 1678, 1584, 1584, 1679, 1679,
+     1680, 1679, 1679, 1679, 1679, 1679, 1679, 1679, 1679, 1679,
+     1679, 1679, 1679, 1679, 1679, 1679, 1679, 1679, 1679, 1679,
+     1679, 1679, 1679, 1681, 1679, 1679, 1679, 1682, 1679, 1683,
+     1679, 1684, 1684, 1684, 1684, 1684, 1684, 1684, 1684, 1679,
+     1685, 1679, 1686, 1679, 1679, 1679, 1679, 1679, 1679, 1679,
+     1679, 1679, 1687, 1679, 1679, 1679, 1688, 1584, 1689, 1690,
+     1691, 1584, 1584, 1584, 1584, 1584, 1692, 1693, 1584, 1584,
+     1694, 1584, 1584, 1584, 1584, 1695, 1696, 1584, 1584, 1697,
+     1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584, 1698,
+
+     1679, 1679, 1679, 1679, 1679, 1679, 1679, 1679, 1699, 1699,
+     1699, 1679, 1679, 1679, 1584, 1584, 1584, 1584, 1584, 1584,
+     1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584,
+     1584, 1700, 1700, 1701, 1584, 1584, 1584, 1584, 1584, 1584,
+     1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584,
+     1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584,
+     1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584, 1701,
+     1702, 1703, 1704, 1705, 1704, 1705, 1704, 1704, 1704, 1704,
+     1704, 1704, 1704, 1704, 1704, 1704, 1704, 1704, 1704, 1704,
+     1704, 1704, 1704, 1704, 1704, 1584, 1584, 1584, 1584, 1584,
+
+     1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584,
+     1584, 1584, 1584, 1584, 1584, 1706, 1707, 1708, 1709, 1710,
+     1711, 1712, 1584, 1679, 1679, 1679, 1679, 1679, 1679, 1713,
+     1679, 1679, 1714, 1715, 1716, 1679, 1679, 1679, 1679, 1679,
+     1717, 1718, 1679, 1679, 1719, 1679, 1679, 1679, 1679, 1720,
+     1721, 1679, 1679, 1722, 1679, 1679, 1679, 1679, 1679, 1679,
+     1723, 1724, 1679, 1679, 1679, 1725, 1726, 1727, 1728, 1729,
+     1730, 1731, 1732, 1733, 1584, 1584, 1734, 1679, 1679, 1679,
+     1679, 1679, 1679, 1679, 1679, 1679, 1679, 1584, 1584, 1584,
+     1584, 1584, 1584, 1584, 1735, 1584, 1584, 1584, 1584, 1584,
+
+     1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584,
+     1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584,
+     1735, 1736, 1737, 1737, 1737, 1737, 1737, 1737, 1737, 1737,
+     1737, 1737, 1737, 1737, 1737, 1737, 1737, 1737, 1737, 1737,
+     1737, 1737, 1737, 1737, 1737, 1737, 1737, 1737, 1737, 1737,
+     1737, 1737, 1737, 1737, 1737, 1737, 1737, 1737, 1737, 1737,
+     1737, 1737, 1737, 1737, 1737, 1737, 1737, 1737, 1737, 1737,
+     1737, 1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584,
+     1584, 1584, 1584, 1584, 1584, 1738, 1584, 1584, 1584, 1584,
+     1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584, 1739, 1679,
+
+     1679, 1679, 1740, 1741, 1742, 1743, 1744, 1745, 1746, 1679,
+     1679, 1679, 1679, 1679, 1747, 1679, 1679, 1584, 1584, 1748,
+     1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584,
+     1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584,
+     1584, 1584, 1748, 1749, 1750, 1750, 1750, 1750, 1750, 1750,
+     1750, 1750, 1750, 1750, 1750, 1750, 1750, 1750, 1750, 1750,
+     1750, 1750, 1750, 1750, 1750, 1750, 1750, 1750, 1750, 1750,
+     1750, 1750, 1750, 1750, 1750, 1750, 1750, 1750, 1750, 1750,
+     1750, 1750, 1750, 1750, 1750, 1750, 1750, 1750, 1750, 1750,
+     1750, 1750, 1750, 1750, 1750, 1750, 1750, 1750, 1750, 1750,
+
+     1750, 1750, 1750, 1750, 1750, 1750, 1750, 1750, 1750, 1750,
+     1750, 1750, 1750, 1750, 1750, 1750, 1750, 1750, 1750, 1750,
+     1750, 1750, 1750, 1750, 1750, 1750, 1750, 1750, 1750, 1750,
+     1750, 1750, 1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584,
+     1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584,
+     1584, 1584, 1584, 1751, 1584, 1584, 1584, 1584, 1584, 1584,
+     1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584,
+     1584, 1752, 1679, 1679, 1747, 1753, 1584, 1584, 1584, 1584,
+     1584, 1584, 1584, 1584, 1584, 1584, 1754, 1755, 1756, 1584,
+     1584, 1753, 1757, 1584, 1584, 1584, 1584, 1584, 1584, 1584,
+
+     1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584,
+     1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584,
+     1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584, 1758,
+     1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584,
+     1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584,
+     1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584,
+     1584, 1584, 1584, 1751, 1584, 1584, 1584, 1584, 1584, 1584,
+     1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584,
+     1584, 1584, 1759, 1584, 1584, 1584, 1584, 1584, 1584, 1584,
+     1584, 1584, 1584, 1584, 1758, 1584, 1584, 1584, 1584, 1584,
+
+     1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584,
+     1584, 1584, 1759, 1584, 1584, 1584, 1584, 1584, 1584, 1584,
+     1584, 1584, 1584, 1584, 1295, 1584, 1584, 1584, 1584, 1584,
+     1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584,
+     1584, 1760, 1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584,
+     1755, 1754, 1754, 1754, 1755, 1755, 1755, 1756, 1756, 1756,
+     1584, 1584, 1757, 1757, 1584, 1584, 1584, 1761, 1584, 1584,
+     1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584, 1762, 1584,
+     1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584,
+     1584, 1584, 1584, 1584, 1584, 1760, 1760, 1584, 1584, 1584,
+
+     1584, 1584, 1584, 1584, 1584, 1754, 1755, 1756, 1584, 1584,
+     1759, 1584, 1584, 1584, 1584, 1584, 1584, 1763, 1584, 1584,
+     1584, 1584, 1584, 1584, 1584, 1584, 1584, 1764, 1765, 1766,
+     1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584, 1767,
+     1584, 1584, 1762, 1584, 1584, 1584, 1584, 1584, 1765, 1764,
+     1764, 1764, 1764, 1765, 1765, 1765, 1765, 1766, 1766, 1766,
+     1766, 1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584, 1768,
+     1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584, 1764,
+     1764, 1764, 1765, 1765, 1765, 1766, 1766, 1766, 1584, 1584,
+     1584, 1767, 1584, 1584, 1584, 1584, 1584, 1584, 1764, 1764,
+
+     1764, 1764, 1765, 1765, 1765, 1765, 1766, 1766, 1766, 1766,
+     1584, 1584, 1584, 1584, 1584, 1584, 1584, 1481, 1764, 1764,
+     1484, 1765, 1765, 1487, 1766, 1766, 1584, 1584, 1584, 1584,
+     1764, 1481, 1765, 1484, 1766, 1487, 1584, 1584, 1584, 1584,
+     1764, 1764, 1499, 1764, 1765, 1765, 1503, 1765, 1766, 1766,
+     1507, 1766, 1584, 1584, 1584, 1584, 1532, 1534, 1536, 1584,
+     1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584,
+     1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584,
+     1584, 1584, 1584,    0, 1584, 1584, 1584, 1584, 1584, 1584,
+     1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584,
+
+     1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584,
+     1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584,
+     1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584,
+     1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584,
+     1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584,
+     1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584,
+     1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584,
+     1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584,
+     1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584,
+     1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584,
+
+     1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584,
+     1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584,
+     1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584,
+     1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584,
+     1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584,
+     1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584,
+     1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584
+    } ;
+
+static const flex_int16_t yy_nxt[7718] =
+    {   0,
+     1584, 1584,   40,   41,   40,   41,   42,   43,   44,   45,
+       43,   42,   42,   42,   42,   42,   46,   47,   42,   42,
+       42,   48,   49,   46,   50,   50,   50,   50,   50,   50,
+       50,   50,   50,   50,   50,   50,   50,   50,   50,   50,
+       50,   50,   50,   50,   50,   50,   50,   50,   50,   50,
+       50,   50,   50,   50,   50,   50,   50,   50,   50,   42,
+       51,   42,   42,   42,   50,   50,   50,   50,   50,   50,
+       50,   50,   50,   50,   50,   50,   50,   50,   50,   50,
+       50,   50,   50,   50,   50,   50,   50,   50,   50,   50,
+       42,   42,   42,   42,   42,   42,   42,   42,   42,   42,
+
+       42,   42,   42,   42,   42,   42,   42,   42,   42,   42,
+       42,   42,   42,   42,   42,   42,   42,   42,   42,   42,
+       42,   42,   42,   42,   42,   42,   42,   42,   42,   42,
+       42,   42,   42,   42,   42,   42,   42,   42,   42,   42,
+       42,   42,   42,   42,   42,   42,   42,   52,   53,   54,
+       52,   52,   53,   54,   52,   69,   57,   57,   83,   84,
+       85,   83,   42,   91,   92,   93,   42,   83,   84,   85,
+       83, 1584,   86,   87,   58,   58,   91,   92,   93,   95,
+       95,   86,   87,   99,  100,  425,   96,   96,   99,  100,
+       70, 1492,  126,   97,   97,  126,   71,  575,   72,  576,
+
+       55,   59,   59,  163,   55,  402,  163,  103,  104,  105,
+      103,   88,  402,   89,  174,  175,  106,  176,  202,  203,
+       88,   70,   89,  107,  963,  178,  964,   71,  178,   72,
+      500,  500,   60,   60,   61,   61,   61,   62,   61,   61,
+       61,   61,   61,   61,   61,   61,   61,   61,   61,   61,
+       61,   61,   63,   63,   63,   63,   63,   63,   63,   63,
+       63,   63,   63,   63,   63,   63,   63,   63,   63,   63,
+       63,   63,   63,   63,   63,   63,   63,   63,   63,   63,
+       63,   63,   63,   63,   63,   63,   63,   61,   61,   61,
+       61,   61,   63,   63,   63,   63,   63,   63,   63,   63,
+
+       63,   63,   63,   63,   63,   63,   63,   63,   63,   63,
+       63,   63,   63,   63,   63,   63,   63,   63,   61,   61,
+       61,   61,   61,   61,   61,   61,   61,   61,   61,   61,
+       61,   61,   61,   61,   61,   61,   61,   61,   61,   61,
+       61,   61,   61,   61,   61,   61,   61,   61,   61,   61,
+       61,   61,   61,   61,   61,   61,   61,   61,   61,   61,
+       61,   61,   61,   61,   61,   61,   61,   61,   61,   61,
+       61,   61,   61,   61,   61,   64,   64,   64,   65,   64,
+       64,   64,   64,   64,   64,   64,   64,   64,   64,   64,
+       64,   66,   64,   67,   67,   67,   67,   67,   67,   67,
+
+       67,   67,   67,   67,   67,   67,   67,   67,   67,   67,
+       67,   67,   67,   67,   67,   67,   67,   67,   67,   67,
+       67,   67,   67,   67,   67,   67,   67,   67,   64,   64,
+       64,   64,   64,   67,   67,   67,   67,   67,   67,   67,
+       67,   67,   67,   67,   67,   67,   67,   67,   67,   67,
+       67,   67,   67,   67,   67,   67,   67,   67,   67,   64,
+       64,   64,   64,   64,   64,   64,   64,   64,   64,   64,
+       64,   64,   64,   64,   64,   64,   64,   64,   64,   64,
+       64,   64,   64,   64,   64,   64,   64,   64,   64,   64,
+       64,   64,   64,   64,   64,   64,   64,   64,   64,   64,
+
+       64,   64,   64,   64,   64,   64,   64,   64,   64,   64,
+       64,   64,   64,   64,   64,   64,   69,  109,  110,  110,
+      109,  474,  291,  157,  115,  116,  117,  115,  158,  559,
+      475,  111,  112,  118,  119,  201,  201,  201,  201,  120,
+      121,  164,  165,  166,  167,  168,  169,  170,  220,  221,
+     1443,   70,  207,  208,  209,  207,  560,   71,  126,   72,
+      559,  126, 1411,  222,  292,  159,  103,  225,  226,  103,
+      113,  227,  228,  126,  487,  279,  126,  122,  279,  106,
+      279,  296,   70,  279,  297,  488,  107,  560,   71,  298,
+       72,   74,   74,   74,   75,   74,   74,   74,   74,   74,
+
+       74,   74,   74,   74,   74,   74,   74,   74,   74,   76,
+       76,   76,   76,   76,   76,   76,   76,   76,   76,   76,
+       76,   76,   76,   76,   76,   76,   76,   76,   76,   76,
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+     1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584,
+
+     1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584,
+     1584, 1584, 1584, 1584, 1584, 1584, 1584
+    } ;
+
+static const flex_int16_t yy_chk[7718] =
+    {   0,
+        0,    0,    3,    3,    4,    4,    5,    5,    5,    5,
+        5,    5,    5,    5,    5,    5,    5,    5,    5,    5,
+        5,    5,    5,    5,    5,    5,    5,    5,    5,    5,
+        5,    5,    5,    5,    5,    5,    5,    5,    5,    5,
+        5,    5,    5,    5,    5,    5,    5,    5,    5,    5,
+        5,    5,    5,    5,    5,    5,    5,    5,    5,    5,
+        5,    5,    5,    5,    5,    5,    5,    5,    5,    5,
+        5,    5,    5,    5,    5,    5,    5,    5,    5,    5,
+        5,    5,    5,    5,    5,    5,    5,    5,    5,    5,
+        5,    5,    5,    5,    5,    5,    5,    5,    5,    5,
+
+        5,    5,    5,    5,    5,    5,    5,    5,    5,    5,
+        5,    5,    5,    5,    5,    5,    5,    5,    5,    5,
+        5,    5,    5,    5,    5,    5,    5,    5,    5,    5,
+        5,    5,    5,    5,    5,    5,    5,    5,    5,    5,
+        5,    5,    5,    5,    5,    5,    5,    7,    7,    7,
+        7,    8,    8,    8,    8,   15,    9,   10,   25,   25,
+       25,   25,    7,   27,   27,   27,    8,   26,   26,   26,
+       26,  250,   25,   25,    9,   10,   28,   28,   28,   29,
+       30,   26,   26,   33,   33,  250,   29,   30,   34,   34,
+       15, 1768,   48,   29,   30,   48,   15,  379,   15,  379,
+
+        7,    9,   10,   59,    8,  233,   59,   40,   40,   40,
+       40,   25,  233,   25,   66,   66,   40,   66,   87,   87,
+       26,   15,   26,   40,  789,   67,  789,   15,   67,   15,
+      284,  284,    9,   10,   11,   11,   11,   11,   11,   11,
+       11,   11,   11,   11,   11,   11,   11,   11,   11,   11,
+       11,   11,   11,   11,   11,   11,   11,   11,   11,   11,
+       11,   11,   11,   11,   11,   11,   11,   11,   11,   11,
+       11,   11,   11,   11,   11,   11,   11,   11,   11,   11,
+       11,   11,   11,   11,   11,   11,   11,   11,   11,   11,
+       11,   11,   11,   11,   11,   11,   11,   11,   11,   11,
+
+       11,   11,   11,   11,   11,   11,   11,   11,   11,   11,
+       11,   11,   11,   11,   11,   11,   11,   11,   11,   11,
+       11,   11,   11,   11,   11,   11,   11,   11,   11,   11,
+       11,   11,   11,   11,   11,   11,   11,   11,   11,   11,
+       11,   11,   11,   11,   11,   11,   11,   11,   11,   11,
+       11,   11,   11,   11,   11,   11,   11,   11,   11,   11,
+       11,   11,   11,   11,   11,   11,   11,   11,   11,   11,
+       11,   11,   11,   11,   11,   13,   13,   13,   13,   13,
+       13,   13,   13,   13,   13,   13,   13,   13,   13,   13,
+       13,   13,   13,   13,   13,   13,   13,   13,   13,   13,
+
+       13,   13,   13,   13,   13,   13,   13,   13,   13,   13,
+       13,   13,   13,   13,   13,   13,   13,   13,   13,   13,
+       13,   13,   13,   13,   13,   13,   13,   13,   13,   13,
+       13,   13,   13,   13,   13,   13,   13,   13,   13,   13,
+       13,   13,   13,   13,   13,   13,   13,   13,   13,   13,
+       13,   13,   13,   13,   13,   13,   13,   13,   13,   13,
+       13,   13,   13,   13,   13,   13,   13,   13,   13,   13,
+       13,   13,   13,   13,   13,   13,   13,   13,   13,   13,
+       13,   13,   13,   13,   13,   13,   13,   13,   13,   13,
+       13,   13,   13,   13,   13,   13,   13,   13,   13,   13,
+
+       13,   13,   13,   13,   13,   13,   13,   13,   13,   13,
+       13,   13,   13,   13,   13,   13,   16,   43,   43,   43,
+       43,  260,  135,   55,   44,   44,   44,   44,   55,  368,
+      260,   43,   43,   44,   44,   86,   86,   86,   86,   44,
+       44,   60,   60,   60,   60,   60,   60,   60,   99,   99,
+     1763,   16,   91,   91,   91,   91,  369,   16,  111,   16,
+      368,  111, 1761,   99,  135,   55,  103,  103,  103,  103,
+       43,  104,  104,  126,  269,  127,  126,   44,  127,  104,
+      136,  139,   16,  136,  139,  269,  104,  369,   16,  139,
+       16,   19,   19,   19,   19,   19,   19,   19,   19,   19,
+
+       19,   19,   19,   19,   19,   19,   19,   19,   19,   19,
+       19,   19,   19,   19,   19,   19,   19,   19,   19,   19,
+       19,   19,   19,   19,   19,   19,   19,   19,   19,   19,
+       19,   19,   19,   19,   19,   19,   19,   19,   19,   19,
+       19,   19,   19,   19,   19,   19,   19,   19,   19,   19,
+       19,   19,   19,   19,   19,   19,   19,   19,   19,   19,
+       19,   19,   19,   19,   19,   19,   19,   19,   19,   19,
+       19,   19,   19,   19,   19,   19,   19,   19,   19,   19,
+       19,   19,   19,   19,   19,   19,   19,   19,   19,   19,
+       19,   19,   19,   19,   19,   19,   19,   19,   19,   19,
+
+       19,   19,   19,   19,   19,   19,   19,   19,   19,   19,
+       19,   19,   19,   19,   19,   19,   19,   19,   19,   19,
+       19,   19,   19,   19,   19,   19,   19,   19,   19,   19,
+       19,   19,   21,   21,   21,   21,   21,   21,   21,   21,
+       21,   21,   21,   21,   21,   21,   21,   21,   21,   21,
+       21,   21,   21,   21,   21,   21,   21,   21,   21,   21,
+       21,   21,   21,   21,   21,   21,   21,   21,   21,   21,
+       21,   21,   21,   21,   21,   21,   21,   21,   21,   21,
+       21,   21,   21,   21,   21,   21,   21,   21,   21,   21,
+       21,   21,   21,   21,   21,   21,   21,   21,   21,   21,
+
+       21,   21,   21,   21,   21,   21,   21,   21,   21,   21,
+       21,   21,   21,   21,   21,   21,   21,   21,   21,   21,
+       21,   21,   21,   21,   21,   21,   21,   21,   21,   21,
+       21,   21,   21,   21,   21,   21,   21,   21,   21,   21,
+       21,   21,   21,   21,   21,   21,   21,   21,   21,   21,
+       21,   21,   21,   21,   21,   21,   21,   21,   21,   21,
+       21,   21,   21,   21,   21,   21,   21,   21,   21,   21,
+       21,   21,   21,   23,   23,   23,   23,   23,   23,   23,
+       23,   23,   23,   23,   23,   23,   23,   23,   23,   23,
+       23,   23,   23,   23,   23,   23,   23,   23,   23,   23,
+
+       23,   23,   23,   23,   23,   23,   23,   23,   23,   23,
+       23,   23,   23,   23,   23,   23,   23,   23,   23,   23,
+       23,   23,   23,   23,   23,   23,   23,   23,   23,   23,
+       23,   23,   23,   23,   23,   23,   23,   23,   23,   23,
+       23,   23,   23,   23,   23,   23,   23,   23,   23,   23,
+       23,   23,   23,   23,   23,   23,   23,   23,   23,   23,
+       23,   23,   23,   23,   23,   23,   23,   23,   23,   23,
+       23,   23,   23,   23,   23,   23,   23,   23,   23,   23,
+       23,   23,   23,   23,   23,   23,   23,   23,   23,   23,
+       23,   23,   23,   23,   23,   23,   23,   23,   23,   23,
+
+       23,   23,   23,   23,   23,   23,   23,   23,   23,   23,
+       23,   23,   23,   23,   45,   45,   45,   45,  370,  164,
+      165,  155,  164,  165,  150,   52,  155,  130,   52,   45,
+      130, 1751,   53,   53,   53,   53,  248,   83,  150,   52,
+       83,   53,   53,   84,   84,   84,   84,  138,   53,  370,
+      138,   83,   83,  296,  296,  148,  138,   97,  148,  166,
+       97,  517,  166,  155,  148,  311,  311,   45,   51,   51,
+       51,   51,   51,   51,   51,   51,   51,   51,   52,   51,
+      130,  197,   51,   51,   51,   53,  167,   84,  248,  167,
+       83,  108,  108,  108,  108, 1661,   84,  150,   84,   97,
+
+      108,  197,  249,  113,   51,  150,  159,  108,   97,  159,
+      113,  321,  197,  168,  159,  113,  168,  113,  169,   51,
+       51,  169,  321,   51,   51,   51,   51,   51,   51,   51,
+       97,   51,  197,  170,   51,   51,  170,   51,   51,   51,
+      517,   51,   51,   51,   51,   51,   51,   51,  107,   51,
+       51,   51,  113,  420,  249,  107,  109,  109,  109,  109,
+      107,  270,  270,  270,  107,  107,  107,  420,  107,  440,
+      109,  109,  110,  110,  110,  110,  113,  115,  115,  115,
+      115,  436,  177,  107,  113,  177,  457,  110,  116,  116,
+      116,  116,  115,  325,  325,  424,  107,  116,  116,  117,
+
+      117,  117,  117,  116,  116,  178, 1639,  149,  178,  109,
+      149,  785,  236,  239,  117,  236,  239,  123,  123,  123,
+      123,  149,  328,  328,  785,  110,  123,  123,  204,  440,
+      115,  204,  123,  123, 1630,  151,  151,  151,  151,  383,
+      383,  116,  132,  132,  132,  132,  132,  132,  132,  132,
+      436,  134,  117,  121,  121,  134,  121,  134,  134,  265,
+      149,  457,  265,  134,  162,  162,  162,  162,  134,  121,
+      123,  134,  371,  152,  152,  152,  152,  424,  220,  220,
+      121,  204,  152,  152,  223,  223,  121,  121,  151,  152,
+      121,  423,  121,  220,  121,  423,  121,  121,  121,  223,
+
+      121,  240,  121,  371,  240,  443,  121,  154,  154,  240,
+      154,  121,  154,  121,  241,  121,  275,  241,  121,  275,
+      154,  154,  241,  121,  411,  411,  152,  154,  121,  122,
+      122,  122,  122,  122,  122,  122,  122,  122,  122,  276,
+      122,  514,  276,  122,  122,  122,  147,  276,  147,  572,
+      147,  147,  147,  147,  147,  147,  147,  147,  147, 1242,
+      156,  156,  156,  156,  190,  122,  443,  190,  572,  156,
+      156,  191,  191,  191,  191,  429,  156,  760,  190,  190,
+      122,  122,  414,  414,  122,  122,  122,  122,  122,  122,
+      122, 1212,  122,  372,  194,  122,  122,  194,  122,  122,
+
+      122,  760,  122,  122,  122,  122,  122,  122,  122,  194,
+      122,  122,  122,  156,  157,  429,  514,  190,  157,  163,
+      157,  157,  163,  805,  372,  432,  157,  192,  192,  192,
+      192,  157,  253,  253,  157,  253,  805,  163,  163,  163,
+      163,  217,  192,  195,  195,  195,  195,  194,  200,  200,
+      200,  200,  201,  201,  201,  201,  202,  202,  202,  202,
+      207,  207,  207,  207,  210,  210,  210,  210,  222,  217,
+      222, 1242,  431,  261,  227,  227,  261,  374,  516,  222,
+      217,  222,  227,  222,  432,  230,  217,  195,  230,  227,
+      222,  231,  200,  432,  231,  463,  195, 1212,  195,  463,
+
+      217,  200,  261,  200,  208,  208,  208,  208,  374,  234,
+      238,  217,  431, 1204,  261,  234,  222,  217,  231,  230,
+      234,  238,  242,  242,  242,  242,  234,  238,  230, 1303,
+      208,  208,  234,  279,  231,  442,  279,  242,  208,  208,
+      231,  238,  208,  208,  256,  208,  234,  256,  331,  208,
+      516,  331,  238,  243,  243,  243,  243,  234,  238,  244,
+      244,  244,  244,  234,  246,  246,  246,  246,  243,  208,
+      247,  247,  247,  247,  244,  242,  439,  258,  256,  246,
+      258,  262,  272,  293,  262,  247,  293,  256,  262,  493,
+      493,  308,  293,  272,  308,  442,  442,  442,  262,  272,
+
+      308, 1206,  313,  313,  258,  313,  243,  310,  310,  310,
+      310,  332,  244,  272,  332,  532,  532,  246,  258,  318,
+      258,  272,  318,  247,  272,  333,  258,  441,  333, 1581,
+      272,  208,  208,  208, 1204,  208,  208,  208,  519,  208,
+     1206,  208,  208,  251,  251, 1303,  251,  334,  324,  439,
+      334,  324,  263,  318,  335,  313,  324,  335,  263,  251,
+      310,  336,  318,  263,  336,  337,  560, 1577,  337,  263,
+      251,  338,  574,  574,  338,  263,  251,  251,  339,  561,
+      251,  339,  251, 1576,  251,  520,  251,  251,  251,  263,
+      251,  441,  251, 1573,  318,  340,  251,  560,  340,  318,
+
+      263,  251,  441,  251,  341,  251,  263,  341,  251,  342,
+      561,  343,  342,  251,  343,  644,  644,  519,  251,  252,
+      252,  252,  252,  252,  252,  252,  252,  252,  252,  402,
+      252,  518,  402,  252,  252,  252,  306,  306,  306,  306,
+      306,  306,  306,  306,  306,  350,  350,  350,  350,  351,
+      351,  351,  351,  403,  352,  252,  403,  352,  354,  404,
+      405,  354,  404,  405,  520,  355,  355,  355,  355,  352,
+      252,  252, 1268,  354,  252,  252,  252,  252,  252,  252,
+      252,  406,  252,  663,  406,  252,  252,  663,  252,  252,
+      252,  573,  252,  252,  252,  252,  252,  252,  252,  518,
+
+      252,  252,  252,  315,  315, 1268,  315,  352,  357,  355,
+      518,  354,  361,  361,  361,  361, 1275,  653,  355,  315,
+      355,  366,  366,  366,  366,  653,  577, 1572,  357,  315,
+      315,  563,  315,  577,  315,  407,  315,  315,  407,  357,
+      315, 1569,  315,  315,  315,  565,  315,  315,  315,  315,
+      315,  408,  315,  573,  408,  409,  315,  410,  409,  357,
+      410,  315,  563,  315,  468,  315,  437,  468,  315,  392,
+      392,  392,  392,  315,  392,  809,  565,  809,  315,  316,
+      316,  316,  316,  316,  316,  316,  316,  316,  316,  469,
+      316,  566,  469,  316,  316,  316,  667,  567,  418,  418,
+
+      418,  418,  425,  425,  667,  425,  419,  419,  419,  419,
+      742,  426,  426,  418,  426,  316,  568,  421,  421,  421,
+      421,  419,  566,  437,  446,  446,  437,  446,  567,  742,
+      316,  316,  421, 1275,  316,  316,  316,  316,  316,  316,
+      316,  470,  316,  571,  470,  316,  316,  568,  316,  316,
+      316,  418,  316,  316,  316,  316,  316,  316,  316,  419,
+      316,  316,  316,  363,  363,  363,  363,  862,  373,  422,
+      421,  422,  373, 1207,  571,  862,  373,  446,  422,  654,
+      654,  467,  373,  422,  467,  422,  467,  738,  373,  363,
+      363,  428,  428,  471,  428,  373,  471,  363,  363,  373,
+
+      434,  363,  363,  373,  363,  709,  709,  373,  363,  433,
+      433,  740,  433,  373,  430,  430,  743,  430,  738,  373,
+      422,  453,  453,  866,  453,  428,  434,  866,  363,  434,
+      435, 1311,  472,  434,  428,  472,  455,  455,  433,  455,
+      934,  430,  740,  434,  422,  455,  456,  743,  473,  916,
+      433,  473,  422,  934,  444,  430,  435,  430,  474,  712,
+      712,  474,  435,  430, 1234,  451,  867,  435,  373,  451,
+      916,  451,  451,  435,  867,  465,  465,  451,  465,  435,
+      475, 1207,  451,  475,  465,  451,  444,  761,  793,  793,
+      363,  363,  363,  435,  363,  363,  363,  444,  363,  476,
+
+      363,  363,  476,  444,  435,  477,  456,  761,  477,  456,
+      435,  438,  478,  479,  456,  478,  479,  444,  480,  481,
+      482,  480,  481,  482,  483,  444,  484,  483,  444,  484,
+      485, 1311,  488,  485,  444,  488,  438,  438,  438,  438,
+      438,  438,  438,  438,  438,  438,  438,  438,  438,  438,
+      438,  438,  438,  438,  438,  438,  438,  438,  438,  438,
+      438,  438,  448,  489,  490,  492,  489,  490,  492,  497,
+      500, 1226,  497,  500,  486,  524, 1226,  486,  524,  448,
+      448,  448,  448,  448,  448,  448,  448,  460, 1234,  523,
+      526,  521,  486,  526, 1567,  521,  460,  521,  521,  527,
+
+      813,  813,  527,  521,  460,  460,  460,  460,  521,  824,
+      824,  521,  460,  460,  460,  460,  460,  460,  460,  460,
+      460,  460,  460,  460,  460,  460,  460,  460,  460,  460,
+      460,  460,  460,  460,  460,  460,  460,  460,  461,  486,
+      528,  529,  530,  528,  529,  530,  513,  531,  513,  523,
+      531,  537,  523,  538,  537,  539,  538,  523,  539,  938,
+      744,  938,  513,  461,  461,  461,  461,  461,  461,  461,
+      461,  461,  461,  461,  461,  461,  461,  461,  461,  461,
+      461,  461,  461,  461,  461,  461,  461,  461,  461,  540,
+      541,  744,  540,  541,  461,  461,  461,  461,  461,  461,
+
+      461,  461,  461,  461,  461,  461,  461,  461,  461,  461,
+      461,  461,  461,  461,  461,  461,  461,  461,  461,  461,
+      462,  513,  546,  603,  607,  546,  603,  607, 1269,  513,
+      559,  559,  559,  559,  827,  827,  462,  462,  462,  462,
+      462,  462,  462,  462,  462,  462,  462,  462,  462,  462,
+      462,  462,  462,  462,  462,  462,  462,  462,  462,  462,
+      462,  462,  613,  515,  515,  613,  515,  462,  462,  462,
+      462,  462,  462,  462,  462,  462,  462,  462,  462,  462,
+      462,  462,  462,  462,  462,  462,  462,  462,  462,  462,
+      462,  462,  462,  464,  961,  553,  965,  515,  553,  545,
+
+      562,  615,  545,  965,  615,  464,  515,  464, 1056,  464,
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+     1719, 1720, 1720,    0, 1720, 1720, 1720, 1720, 1720, 1720,
+     1720, 1720, 1721, 1721,    0, 1721, 1721, 1721, 1721, 1721,
+     1721, 1721, 1721, 1722, 1722,    0, 1722, 1722, 1722, 1722,
+     1722, 1722, 1722, 1722, 1723, 1723,    0, 1723, 1723, 1723,
+     1723, 1723, 1723, 1723, 1723, 1724, 1724, 1724, 1724, 1724,
+     1724, 1724, 1724, 1724, 1724, 1724, 1725, 1725, 1725, 1725,
+     1725, 1725, 1725, 1725, 1725, 1725, 1725, 1726, 1726, 1726,
+     1726, 1726, 1726, 1726, 1726, 1726, 1726, 1726, 1727, 1727,
+        0, 1727, 1727, 1727, 1727, 1727, 1727, 1727, 1727, 1728,
+
+     1728,    0, 1728, 1728, 1728, 1728, 1728, 1728, 1728, 1728,
+     1729, 1729,    0, 1729, 1729, 1729, 1729, 1729, 1729, 1729,
+     1729, 1730, 1730,    0, 1730, 1730, 1730, 1730, 1730, 1730,
+     1730, 1730, 1731, 1731,    0, 1731, 1731, 1731, 1731, 1731,
+     1731, 1731, 1731, 1732, 1732,    0, 1732, 1732, 1732, 1732,
+     1732, 1732, 1732, 1732, 1733, 1733,    0, 1733, 1733, 1733,
+     1733, 1733, 1733, 1733, 1733, 1734,    0, 1734, 1734, 1734,
+     1734, 1734, 1734, 1734, 1734, 1734, 1735, 1735,    0, 1735,
+     1735, 1735, 1735, 1735, 1735, 1735, 1735, 1736, 1736,    0,
+     1736, 1736, 1736, 1736, 1736, 1736, 1736, 1736, 1737, 1737,
+
+        0, 1737, 1737, 1737, 1737, 1737, 1737, 1737, 1737, 1738,
+        0, 1738, 1738, 1739, 1739,    0, 1739, 1739, 1739, 1739,
+     1739, 1739, 1739, 1739, 1740, 1740,    0, 1740, 1740, 1740,
+     1740, 1740, 1740, 1740, 1740, 1741, 1741,    0, 1741, 1741,
+     1741, 1741, 1741, 1741, 1741, 1741, 1742, 1742,    0, 1742,
+     1742, 1742, 1742, 1742, 1742, 1742, 1742, 1743, 1743,    0,
+     1743, 1743, 1743, 1743, 1743, 1743, 1743, 1743, 1744, 1744,
+        0, 1744, 1744, 1744, 1744, 1744, 1744, 1744, 1744, 1745,
+     1745,    0, 1745, 1745, 1745, 1745, 1745, 1745, 1745, 1745,
+     1746, 1746,    0, 1746, 1746, 1746, 1746, 1746, 1746, 1746,
+
+     1746, 1747, 1747, 1747, 1747, 1747, 1747, 1747, 1747, 1747,
+     1747, 1747, 1748, 1748,    0, 1748, 1748, 1748, 1748, 1748,
+     1748, 1748, 1748, 1749, 1749,    0, 1749, 1749, 1749, 1749,
+     1749, 1749, 1749, 1749, 1750, 1750,    0, 1750, 1750, 1750,
+     1750, 1750, 1750, 1750, 1750, 1752, 1752,    0, 1752, 1752,
+     1752, 1752, 1752, 1752, 1752, 1752, 1753, 1753,    0, 1753,
+     1753, 1753, 1753, 1753, 1753, 1753, 1753, 1754, 1754, 1754,
+     1754, 1754, 1754, 1754, 1754, 1754, 1754, 1754, 1755, 1755,
+     1755, 1755, 1755, 1755, 1755, 1755, 1755, 1755, 1755, 1756,
+     1756, 1756, 1756, 1756, 1756, 1756, 1756, 1756, 1756, 1756,
+
+     1757, 1757,    0, 1757, 1757, 1757, 1757, 1757, 1757, 1757,
+     1757, 1758,    0, 1758,    0, 1758, 1758, 1759,    0, 1759,
+        0, 1759, 1759, 1760, 1760,    0, 1760, 1760, 1760, 1760,
+     1760, 1760, 1760, 1760, 1762,    0, 1762, 1762, 1764, 1764,
+        0, 1764, 1764, 1764, 1764, 1764, 1764, 1764, 1764, 1765,
+     1765,    0, 1765, 1765, 1765, 1765, 1765, 1765, 1765, 1765,
+     1766, 1766,    0, 1766, 1766, 1766, 1766, 1766, 1766, 1766,
+     1766, 1767,    0, 1767, 1767, 1584, 1584, 1584, 1584, 1584,
+     1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584,
+     1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584,
+
+     1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584,
+     1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584,
+     1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584,
+     1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584,
+     1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584,
+     1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584,
+     1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584,
+     1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584,
+     1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584,
+     1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584,
+
+     1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584, 1584,
+     1584, 1584, 1584, 1584, 1584, 1584, 1584
+    } ;
+
+static yy_state_type yy_last_accepting_state;
+static char *yy_last_accepting_cpos;
+
+extern int yy_flex_debug;
+int yy_flex_debug = 0;
+
+/* The intent behind this definition is that it'll catch
+ * any uses of REJECT which flex missed.
+ */
+#define REJECT reject_used_but_not_detected
+#define yymore() yymore_used_but_not_detected
+#define YY_MORE_ADJ 0
+#define YY_RESTORE_YY_MORE_OFFSET
+char *yytext;
+#line 1 "lexgrog.l"
+
+#line 19 "lexgrog.l"
+
+/*
+ * lexgrog.l: extract 'whatis' info from nroff man / formatted cat pages.
+ *
+ * Copyright (C) 1994, 1995 Graeme W. Wilford. (Wilf.)
+ * Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010,
+ *               2011, 2012 Colin Watson.
+ *
+ * This file is part of man-db.
+ *
+ * man-db is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * man-db is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with man-db; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ * Wed Oct 12 18:46:11 BST 1994  Wilf. (G.Wilford@ee.surrey.ac.uk)
+ *
+ * CJW: Detect grap and vgrind. Understand fill requests. Other improvements
+ * in the syntax accepted.
+ */
+
+#include <sys/stat.h>
+#include <errno.h>
+#include <stdbool.h>
+#include <string.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+#include "error.h"
+#include "xalloc.h"
+
+#include "gettext.h"
+#define _(String) gettext (String)
+
+#include "encodings.h"
+#include "pipeline.h"
+#include "sandbox.h"
+#include "security.h"
+#include "util.h"
+
+#include "decompress.h"
+#include "lexgrog.h"
+#include "manconv.h"
+#include "manconv_client.h"
+
+#define YY_READ_BUF_SIZE	1024
+#define MAX_NAME		8192
+
+/* defines the ordered list of filters detected by lexgrog */
+enum {
+	TBL_FILTER = 0,	/* tbl */
+	EQN_FILTER,	/* eqn */
+	PIC_FILTER,	/* pic */
+	GRAP_FILTER,	/* grap */
+	REF_FILTER,	/* refer */
+	VGRIND_FILTER,	/* vgrind */
+	MAX_FILTERS	/* delimiter */
+};
+
+#define ARRAY_SIZE(array) (sizeof (array) / sizeof ((array)[0]))
+
+extern man_sandbox *sandbox;
+
+struct macro {
+	const char *name;
+	const char *value;
+};
+
+static const struct macro glyphs[] = {
+	/* It is vital to keep these in strcmp order (sort -t\" -k2)!  They
+	 * will be searched using bsearch.
+	 * Data from groff_char(7), although I have omitted some that are
+	 * particularly unlikely to be used in NAME sections.
+	 */
+	{ "'A", "Á" },
+	{ "'C", "Ć" },
+	{ "'E", "É" },
+	{ "'I", "Í" },
+	{ "'O", "Ó" },
+	{ "'U", "Ú" },
+	{ "'Y", "Ý" },
+	{ "'a", "á" },
+	{ "'c", "ć" },
+	{ "'e", "é" },
+	{ "'i", "í" },
+	{ "'o", "ó" },
+	{ "'u", "ú" },
+	{ "'y", "ý" },
+	{ ",C", "Ç" },
+	{ ",c", "ç" },
+	{ "-D", "Ð" },
+	{ ".i", "ı" },
+	{ "/L", "Ł" },
+	{ "/O", "Ø" },
+	{ "/l", "ł" },
+	{ "/o", "ø" },
+	{ ":A", "Ä" },
+	{ ":E", "Ë" },
+	{ ":I", "Ï" },
+	{ ":O", "Ö" },
+	{ ":U", "Ü" },
+	{ ":Y", "Ÿ" },
+	{ ":a", "ä" },
+	{ ":e", "ë" },
+	{ ":i", "ï" },
+	{ ":o", "ö" },
+	{ ":u", "ü" },
+	{ ":y", "ÿ" },
+	{ "AE", "Æ" },
+	{ "Bq", "„" },
+	{ "Fc", "»" },
+	{ "Fi", "ffi" },
+	{ "Fl", "ffl" },
+	{ "Fo", "«" },
+	{ "IJ", "IJ" },
+	{ "OE", "Œ" },
+	{ "Sd", "ð" },
+	{ "TP", "Þ" },
+	{ "Tp", "þ" },
+	{ "^A", "Â" },
+	{ "^E", "Ê" },
+	{ "^I", "Î" },
+	{ "^O", "Ô" },
+	{ "^U", "Û" },
+	{ "^a", "â" },
+	{ "^e", "ê" },
+	{ "^i", "î" },
+	{ "^o", "ô" },
+	{ "^u", "û" },
+	{ "`A", "À" },
+	{ "`E", "È" },
+	{ "`I", "Ì" },
+	{ "`O", "Ò" },
+	{ "`U", "Ù" },
+	{ "`a", "à" },
+	{ "`e", "è" },
+	{ "`i", "ì" },
+	{ "`o", "ò" },
+	{ "`u", "ù" },
+	{ "a\"", "˝" },
+	{ "a-", "¯" },
+	{ "a.", "˙" },
+	{ "a^", "^" },
+	{ "aa", "´" },
+	{ "ab", "˘" },
+	{ "ac", "¸" },
+	{ "ad", "¨" },
+	{ "ae", "æ" },
+	{ "ah", "ˇ" },
+	{ "ao", "˚" },
+	{ "aq", "'" },
+	{ "a~", "~" },
+	{ "bq", "‚" },
+	{ "cq", "’" },
+	{ "dq", "\"" },
+	{ "em", "—" },
+	{ "en", "–" },
+	{ "fc", "›" },
+	{ "ff", "ff" },
+	{ "fi", "fi" },
+	{ "fl", "fl" },
+	{ "fo", "‹" },
+	{ "ga", "`" },
+	{ "ha", "^" },
+	{ "ho", "˛" },
+	{ "hy", "‐" },
+	{ "ij", "ij" },
+	{ "lq", "“" },
+	{ "oA", "Å" },
+	{ "oa", "å" },
+	{ "oe", "œ" },
+	{ "oq", "‘" },
+	{ "r!", "¡" },
+	{ "r?", "¿" },
+	{ "rq", "”" },
+	{ "ss", "ß" },
+	{ "ti", "~" },
+	{ "vS", "Š" },
+	{ "vZ", "Ž" },
+	{ "vs", "š" },
+	{ "vz", "ž" },
+	{ "~A", "Ã" },
+	{ "~N", "Ñ" },
+	{ "~O", "Õ" },
+	{ "~a", "ã" },
+	{ "~n", "ñ" },
+	{ "~o", "õ" }
+};
+
+static const struct macro perldocs[] = {
+	/* It is vital to keep these in strcmp order (sort -t\" -k2)!  They
+	 * will be searched using bsearch.
+	 * Data from Pod/Man.pm.
+	 */
+	{ "--", "-" },
+	{ "Aq", "'" },
+	{ "C'", "'" },
+	{ "C+", "C++" },
+	{ "C`", "`" },
+	{ "L\"", "\"" },
+	{ "PI", "π" },
+	{ "R\"", "\"" }
+};
+
+static void add_str_to_whatis (const char *string, size_t length);
+static void add_char_to_whatis (unsigned char c);
+static void add_separator_to_whatis (void);
+static void add_wordn_to_whatis (const char *string, size_t length);
+static void add_word_to_whatis (const char *string);
+static void add_glyph_to_whatis (const char *string, size_t length);
+static void add_perldoc_to_whatis (const char *string, size_t length);
+static void mdoc_text (const char *string);
+static void newline_found (void);
+
+static char newname[MAX_NAME];
+static char *p_name;
+static const char *fname;
+static char filters[MAX_FILTERS];
+
+static bool fill_mode;
+static bool waiting_for_quote;
+
+static decompress *decomp;
+
+#define YY_INPUT(buf,result,max_size) { \
+	size_t size = max_size; \
+	const char *block = decompress_read (decomp, &size); \
+	if (block && size != 0) { \
+		memcpy (buf, block, size); \
+		buf[size] = '\0'; \
+		result = size; \
+	} else \
+		result = YY_NULL; \
+}
+#define YY_NO_INPUT
+#line 2974 "lexgrog.c"
+
+#line 309 "lexgrog.l"
+ /* Please add to this list if you know how. */
+ /* Note that, since flex only supports UTF-8 by accident, character classes
+  * including non-ASCII characters must be written out as (a|b|c|d) rather
+  * than [abcd].
+  */
+ /* ИМЕ also works for mk */
+ /* NOME also works for gl, pt */
+ /* eptgrv : eqn, pic, tbl, grap, refer, vgrind */
+#line 2985 "lexgrog.c"
+
+#define INITIAL 0
+#define MAN_PRENAME 1
+#define MAN_NAME 2
+#define MAN_DESC 3
+#define MAN_DESC_AT 4
+#define MAN_DESC_BSX 5
+#define MAN_DESC_BX 6
+#define MAN_DESC_BX_RELEASE 7
+#define MAN_DESC_DQ 8
+#define MAN_DESC_FX 9
+#define MAN_DESC_NX 10
+#define MAN_DESC_OX 11
+#define CAT_NAME 12
+#define CAT_FILE 13
+#define MAN_FILE 14
+#define CAT_REST 15
+#define MAN_REST 16
+#define FORCE_EXIT 17
+
+#ifndef YY_NO_UNISTD_H
+/* Special case for "unistd.h", since it is non-ANSI. We include it way
+ * down here because we want the user's section 1 to have been scanned first.
+ * The user has a chance to override it with an option.
+ */
+#include <unistd.h>
+#endif
+
+#ifndef YY_EXTRA_TYPE
+#define YY_EXTRA_TYPE void *
+#endif
+
+static int yy_init_globals ( void );
+
+/* Accessor methods to globals.
+   These are made visible to non-reentrant scanners for convenience. */
+
+int yylex_destroy ( void );
+
+int yyget_debug ( void );
+
+void yyset_debug ( int debug_flag  );
+
+YY_EXTRA_TYPE yyget_extra ( void );
+
+void yyset_extra ( YY_EXTRA_TYPE user_defined  );
+
+FILE *yyget_in ( void );
+
+void yyset_in  ( FILE * _in_str  );
+
+FILE *yyget_out ( void );
+
+void yyset_out  ( FILE * _out_str  );
+
+			int yyget_leng ( void );
+
+char *yyget_text ( void );
+
+int yyget_lineno ( void );
+
+void yyset_lineno ( int _line_number  );
+
+/* Macros after this point can all be overridden by user definitions in
+ * section 1.
+ */
+
+#ifndef YY_SKIP_YYWRAP
+#ifdef __cplusplus
+extern "C" int yywrap ( void );
+#else
+extern int yywrap ( void );
+#endif
+#endif
+
+#ifndef YY_NO_UNPUT
+    
+#endif
+
+#ifndef yytext_ptr
+static void yy_flex_strncpy ( char *, const char *, int );
+#endif
+
+#ifdef YY_NEED_STRLEN
+static int yy_flex_strlen ( const char * );
+#endif
+
+#ifndef YY_NO_INPUT
+#ifdef __cplusplus
+static int yyinput ( void );
+#else
+static int input ( void );
+#endif
+
+#endif
+
+/* Amount of stuff to slurp up with each read. */
+#ifndef YY_READ_BUF_SIZE
+#ifdef __ia64__
+/* On IA-64, the buffer size is 16k, not 8k */
+#define YY_READ_BUF_SIZE 16384
+#else
+#define YY_READ_BUF_SIZE 8192
+#endif /* __ia64__ */
+#endif
+
+/* Copy whatever the last rule matched to the standard output. */
+#ifndef ECHO
+/* This used to be an fputs(), but since the string might contain NUL's,
+ * we now use fwrite().
+ */
+#define ECHO do { if (fwrite( yytext, (size_t) yyleng, 1, yyout )) {} } while (0)
+#endif
+
+/* Gets input and stuffs it into "buf".  number of characters read, or YY_NULL,
+ * is returned in "result".
+ */
+#ifndef YY_INPUT
+#define YY_INPUT(buf,result,max_size) \
+	if ( YY_CURRENT_BUFFER_LVALUE->yy_is_interactive ) \
+		{ \
+		int c = '*'; \
+		int n; \
+		for ( n = 0; n < max_size && \
+			     (c = getc( yyin )) != EOF && c != '\n'; ++n ) \
+			buf[n] = (char) c; \
+		if ( c == '\n' ) \
+			buf[n++] = (char) c; \
+		if ( c == EOF && ferror( yyin ) ) \
+			YY_FATAL_ERROR( "input in flex scanner failed" ); \
+		result = n; \
+		} \
+	else \
+		{ \
+		errno=0; \
+		while ( (result = (int) fread(buf, 1, (yy_size_t) max_size, yyin)) == 0 && ferror(yyin)) \
+			{ \
+			if( errno != EINTR) \
+				{ \
+				YY_FATAL_ERROR( "input in flex scanner failed" ); \
+				break; \
+				} \
+			errno=0; \
+			clearerr(yyin); \
+			} \
+		}\
+\
+
+#endif
+
+/* No semi-colon after return; correct usage is to write "yyterminate();" -
+ * we don't want an extra ';' after the "return" because that will cause
+ * some compilers to complain about unreachable statements.
+ */
+#ifndef yyterminate
+#define yyterminate() return YY_NULL
+#endif
+
+/* Number of entries by which start-condition stack grows. */
+#ifndef YY_START_STACK_INCR
+#define YY_START_STACK_INCR 25
+#endif
+
+/* Report a fatal error. */
+#ifndef YY_FATAL_ERROR
+#define YY_FATAL_ERROR(msg) yy_fatal_error( msg )
+#endif
+
+/* end tables serialization structures and prototypes */
+
+/* Default declaration of generated scanner - a define so the user can
+ * easily add parameters.
+ */
+#ifndef YY_DECL
+#define YY_DECL_IS_OURS 1
+
+extern int yylex (void);
+
+#define YY_DECL int yylex (void)
+#endif /* !YY_DECL */
+
+/* Code executed at the beginning of each rule, after yytext and yyleng
+ * have been set up.
+ */
+#ifndef YY_USER_ACTION
+#define YY_USER_ACTION
+#endif
+
+/* Code executed at the end of each rule. */
+#ifndef YY_BREAK
+#define YY_BREAK /*LINTED*/break;
+#endif
+
+#define YY_RULE_SETUP \
+	YY_USER_ACTION
+
+/** The main scanner function which does all the work.
+ */
+YY_DECL
+{
+	yy_state_type yy_current_state;
+	char *yy_cp, *yy_bp;
+	int yy_act;
+    
+	if ( !(yy_init) )
+		{
+		(yy_init) = 1;
+
+#ifdef YY_USER_INIT
+		YY_USER_INIT;
+#endif
+
+		if ( ! (yy_start) )
+			(yy_start) = 1;	/* first start state */
+
+		if ( ! yyin )
+			yyin = stdin;
+
+		if ( ! yyout )
+			yyout = stdout;
+
+		if ( ! YY_CURRENT_BUFFER ) {
+			yyensure_buffer_stack ();
+			YY_CURRENT_BUFFER_LVALUE =
+				yy_create_buffer( yyin, YY_BUF_SIZE );
+		}
+
+		yy_load_buffer_state(  );
+		}
+
+	{
+#line 360 "lexgrog.l"
+
+
+ /* begin NAME section processing */
+#line 3221 "lexgrog.c"
+
+	while ( /*CONSTCOND*/1 )		/* loops until end-of-file is reached */
+		{
+		yy_cp = (yy_c_buf_p);
+
+		/* Support of yytext. */
+		*yy_cp = (yy_hold_char);
+
+		/* yy_bp points to the position in yy_ch_buf of the start of
+		 * the current run.
+		 */
+		yy_bp = yy_cp;
+
+		yy_current_state = (yy_start);
+yy_match:
+		do
+			{
+			YY_CHAR yy_c = yy_ec[YY_SC_TO_UI(*yy_cp)] ;
+			if ( yy_accept[yy_current_state] )
+				{
+				(yy_last_accepting_state) = yy_current_state;
+				(yy_last_accepting_cpos) = yy_cp;
+				}
+			while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state )
+				{
+				yy_current_state = (int) yy_def[yy_current_state];
+				if ( yy_current_state >= 1585 )
+					yy_c = yy_meta[yy_c];
+				}
+			yy_current_state = yy_nxt[yy_base[yy_current_state] + yy_c];
+			++yy_cp;
+			}
+		while ( yy_current_state != 1584 );
+		yy_cp = (yy_last_accepting_cpos);
+		yy_current_state = (yy_last_accepting_state);
+
+yy_find_action:
+		yy_act = yy_accept[yy_current_state];
+
+		YY_DO_BEFORE_ACTION;
+
+do_action:	/* This label is used only to access EOF actions. */
+
+		switch ( yy_act )
+	{ /* beginning of action switch */
+			case 0: /* must back up */
+			/* undo the effects of YY_DO_BEFORE_ACTION */
+			*yy_cp = (yy_hold_char);
+			yy_cp = (yy_last_accepting_cpos);
+			yy_current_state = (yy_last_accepting_state);
+			goto yy_find_action;
+
+case 1:
+/* rule 1 can match eol */
+YY_RULE_SETUP
+#line 363 "lexgrog.l"
+BEGIN (MAN_PRENAME);
+	YY_BREAK
+case 2:
+/* rule 2 can match eol */
+YY_RULE_SETUP
+#line 364 "lexgrog.l"
+BEGIN (CAT_NAME);
+	YY_BREAK
+/* general text matching */
+
+case 3:
+#line 369 "lexgrog.l"
+case 4:
+#line 370 "lexgrog.l"
+case 5:
+#line 371 "lexgrog.l"
+case 6:
+/* rule 6 can match eol */
+YY_RULE_SETUP
+#line 371 "lexgrog.l"
+
+	YY_BREAK
+
+
+case 7:
+#line 376 "lexgrog.l"
+case 8:
+#line 377 "lexgrog.l"
+case 9:
+/* rule 9 can match eol */
+#line 378 "lexgrog.l"
+case 10:
+/* rule 10 can match eol */
+YY_RULE_SETUP
+#line 378 "lexgrog.l"
+
+	YY_BREAK
+
+
+case 11:
+/* rule 11 can match eol */
+YY_RULE_SETUP
+#line 382 "lexgrog.l"
+filters[TBL_FILTER] = 't';
+	YY_BREAK
+case 12:
+/* rule 12 can match eol */
+YY_RULE_SETUP
+#line 383 "lexgrog.l"
+filters[EQN_FILTER] = 'e';
+	YY_BREAK
+case 13:
+/* rule 13 can match eol */
+YY_RULE_SETUP
+#line 384 "lexgrog.l"
+filters[PIC_FILTER] = 'p';
+	YY_BREAK
+case 14:
+/* rule 14 can match eol */
+YY_RULE_SETUP
+#line 385 "lexgrog.l"
+filters[GRAP_FILTER] = 'g';
+	YY_BREAK
+case 15:
+/* rule 15 can match eol */
+#line 387 "lexgrog.l"
+case 16:
+/* rule 16 can match eol */
+YY_RULE_SETUP
+#line 387 "lexgrog.l"
+filters[REF_FILTER] = 'r';
+	YY_BREAK
+case 17:
+/* rule 17 can match eol */
+YY_RULE_SETUP
+#line 388 "lexgrog.l"
+filters[VGRIND_FILTER] = 'v';
+	YY_BREAK
+
+case YY_STATE_EOF(MAN_REST):
+#line 390 "lexgrog.l"
+{	/* exit */
+	*p_name = '\0'; /* terminate the string */
+	yyterminate ();
+}
+	YY_BREAK
+case 18:
+/* rule 18 can match eol */
+YY_RULE_SETUP
+#line 394 "lexgrog.l"
+
+	YY_BREAK
+/* rules to end NAME section processing */
+case 19:
+/* rule 19 can match eol */
+YY_RULE_SETUP
+#line 397 "lexgrog.l"
+{	/* forced exit */
+	*p_name = '\0'; /* terminate the string */
+	yyterminate ();
+}
+	YY_BREAK
+case 20:
+/* rule 20 can match eol */
+#line 403 "lexgrog.l"
+YY_RULE_SETUP
+case YY_STATE_EOF(MAN_PRENAME):
+#line 403 "lexgrog.l"
+{	/* no NAME at all */
+	*p_name = '\0';
+	BEGIN (MAN_REST);
+}
+	YY_BREAK
+/* need to match whole string so that we beat the following roff catch-all,
+    so use yyless to push back the name */
+
+case 21:
+/* rule 21 can match eol */
+#line 412 "lexgrog.l"
+case 22:
+/* rule 22 can match eol */
+#line 413 "lexgrog.l"
+case 23:
+/* rule 23 can match eol */
+#line 414 "lexgrog.l"
+case 24:
+/* rule 24 can match eol */
+#line 415 "lexgrog.l"
+case 25:
+/* rule 25 can match eol */
+#line 416 "lexgrog.l"
+case 26:
+/* rule 26 can match eol */
+YY_RULE_SETUP
+#line 416 "lexgrog.l"
+{
+		yyless (0);
+		BEGIN (MAN_NAME);
+	}
+	YY_BREAK
+
+/* Skip over initial roff requests in NAME section. The use of yyless here
+    is evil. */
+case 27:
+/* rule 27 can match eol */
+YY_RULE_SETUP
+#line 424 "lexgrog.l"
+
+	YY_BREAK
+case 28:
+/* rule 28 can match eol */
+YY_RULE_SETUP
+#line 426 "lexgrog.l"
+yyless (1);
+	YY_BREAK
+case 29:
+/* rule 29 can match eol */
+YY_RULE_SETUP
+#line 428 "lexgrog.l"
+{
+	yyless (0);
+	BEGIN (MAN_NAME);
+}
+	YY_BREAK
+
+case 30:
+/* rule 30 can match eol */
+#line 435 "lexgrog.l"
+case 31:
+/* rule 31 can match eol */
+#line 436 "lexgrog.l"
+case 32:
+/* rule 32 can match eol */
+#line 437 "lexgrog.l"
+case 33:
+/* rule 33 can match eol */
+#line 438 "lexgrog.l"
+case 34:
+/* rule 34 can match eol */
+#line 439 "lexgrog.l"
+case 35:
+/* rule 35 can match eol */
+#line 440 "lexgrog.l"
+case 36:
+/* rule 36 can match eol */
+#line 441 "lexgrog.l"
+YY_RULE_SETUP
+case YY_STATE_EOF(MAN_NAME):
+YY_RULE_SETUP
+case YY_STATE_EOF(MAN_DESC):
+#line 441 "lexgrog.l"
+{	/* terminate the string */
+		*p_name = '\0';
+		BEGIN (MAN_REST);
+	}
+	YY_BREAK
+
+
+case 37:
+/* rule 37 can match eol */
+#line 449 "lexgrog.l"
+case 38:
+/* rule 38 can match eol */
+#line 450 "lexgrog.l"
+case 39:
+/* rule 39 can match eol */
+YY_RULE_SETUP
+#line 450 "lexgrog.l"
+{	/* terminate the string */
+		*p_name = '\0';
+		BEGIN (CAT_REST);
+		yyterminate ();
+	}
+	YY_BREAK
+
+/* ROFF request removal */
+
+/* some include quoting; dealing with this is unpleasant */
+case 40:
+/* rule 40 can match eol */
+YY_RULE_SETUP
+#line 460 "lexgrog.l"
+{
+		newline_found ();
+		waiting_for_quote = true;
+	}
+	YY_BREAK
+case 41:
+/* rule 41 can match eol */
+#line 466 "lexgrog.l"
+case 42:
+/* rule 42 can match eol */
+#line 467 "lexgrog.l"
+case 43:
+/* rule 43 can match eol */
+#line 468 "lexgrog.l"
+case 44:
+/* rule 44 can match eol */
+#line 469 "lexgrog.l"
+case 45:
+/* rule 45 can match eol */
+#line 470 "lexgrog.l"
+case 46:
+/* rule 46 can match eol */
+#line 471 "lexgrog.l"
+case 47:
+/* rule 47 can match eol */
+#line 472 "lexgrog.l"
+case 48:
+/* rule 48 can match eol */
+#line 473 "lexgrog.l"
+case 49:
+/* rule 49 can match eol */
+YY_RULE_SETUP
+#line 473 "lexgrog.l"
+{	/* per line comments */
+		newline_found ();
+	}
+	YY_BREAK
+
+/* No-op requests */
+
+case 50:
+/* rule 50 can match eol */
+*yy_cp = (yy_hold_char); /* undo effects of setting up yytext */
+YY_LINENO_REWIND_TO(yy_cp - 1);
+(yy_c_buf_p) = yy_cp -= 1;
+YY_DO_BEFORE_ACTION; /* set up yytext again */
+YY_RULE_SETUP
+#line 480 "lexgrog.l"
+newline_found ();
+	YY_BREAK
+case 51:
+/* rule 51 can match eol */
+*yy_cp = (yy_hold_char); /* undo effects of setting up yytext */
+YY_LINENO_REWIND_TO(yy_cp - 1);
+(yy_c_buf_p) = yy_cp -= 1;
+YY_DO_BEFORE_ACTION; /* set up yytext again */
+YY_RULE_SETUP
+#line 481 "lexgrog.l"
+newline_found ();
+	YY_BREAK
+
+/* Toggle fill mode */
+
+case 52:
+/* rule 52 can match eol */
+YY_RULE_SETUP
+#line 486 "lexgrog.l"
+fill_mode = false;
+	YY_BREAK
+case 53:
+/* rule 53 can match eol */
+YY_RULE_SETUP
+#line 487 "lexgrog.l"
+fill_mode = true;
+	YY_BREAK
+
+case 54:
+/* rule 54 can match eol */
+YY_RULE_SETUP
+#line 490 "lexgrog.l"
+/* strip continuations */
+	YY_BREAK
+/* convert to DASH */
+
+case 55:
+/* rule 55 can match eol */
+#line 495 "lexgrog.l"
+case 56:
+/* rule 56 can match eol */
+#line 496 "lexgrog.l"
+case 57:
+/* rule 57 can match eol */
+#line 497 "lexgrog.l"
+case 58:
+/* rule 58 can match eol */
+#line 498 "lexgrog.l"
+case 59:
+/* rule 59 can match eol */
+YY_RULE_SETUP
+#line 498 "lexgrog.l"
+{
+		add_separator_to_whatis ();
+		BEGIN (MAN_DESC);
+	}
+	YY_BREAK
+
+case 60:
+/* rule 60 can match eol */
+YY_RULE_SETUP
+#line 503 "lexgrog.l"
+add_separator_to_whatis ();
+	YY_BREAK
+/* escape sequences and special characters */
+
+case 61:
+/* rule 61 can match eol */
+YY_RULE_SETUP
+#line 507 "lexgrog.l"
+add_char_to_whatis ('\\');
+	YY_BREAK
+case 62:
+/* rule 62 can match eol */
+YY_RULE_SETUP
+#line 508 "lexgrog.l"
+add_char_to_whatis ('\'');
+	YY_BREAK
+case 63:
+/* rule 63 can match eol */
+YY_RULE_SETUP
+#line 509 "lexgrog.l"
+add_char_to_whatis ('`');
+	YY_BREAK
+case 64:
+/* rule 64 can match eol */
+YY_RULE_SETUP
+#line 510 "lexgrog.l"
+add_char_to_whatis ('-');
+	YY_BREAK
+case 65:
+/* rule 65 can match eol */
+YY_RULE_SETUP
+#line 511 "lexgrog.l"
+add_char_to_whatis ('-');
+	YY_BREAK
+case 66:
+/* rule 66 can match eol */
+YY_RULE_SETUP
+#line 512 "lexgrog.l"
+add_char_to_whatis ('.');
+	YY_BREAK
+case 67:
+/* rule 67 can match eol */
+YY_RULE_SETUP
+#line 513 "lexgrog.l"
+add_char_to_whatis (' ');
+	YY_BREAK
+case 68:
+/* rule 68 can match eol */
+YY_RULE_SETUP
+#line 514 "lexgrog.l"
+add_char_to_whatis ('_');
+	YY_BREAK
+case 69:
+/* rule 69 can match eol */
+YY_RULE_SETUP
+#line 515 "lexgrog.l"
+add_char_to_whatis ('\t');
+	YY_BREAK
+case 70:
+/* rule 70 can match eol */
+YY_RULE_SETUP
+#line 517 "lexgrog.l"
+/* various useless control chars */
+	YY_BREAK
+case 71:
+/* rule 71 can match eol */
+YY_RULE_SETUP
+#line 518 "lexgrog.l"
+/* various inline functions */
+	YY_BREAK
+case 72:
+/* rule 72 can match eol */
+YY_RULE_SETUP
+#line 520 "lexgrog.l"
+/* interpolate arg */
+	YY_BREAK
+/* roff named glyphs */
+case 73:
+/* rule 73 can match eol */
+YY_RULE_SETUP
+#line 523 "lexgrog.l"
+add_glyph_to_whatis (yytext + 2, 2);
+	YY_BREAK
+/* perldoc strings */
+case 74:
+/* rule 74 can match eol */
+YY_RULE_SETUP
+#line 525 "lexgrog.l"
+add_perldoc_to_whatis (yytext + 3, 2);
+	YY_BREAK
+case 75:
+/* rule 75 can match eol */
+YY_RULE_SETUP
+#line 526 "lexgrog.l"
+add_perldoc_to_whatis (yytext + 2, 1);
+	YY_BREAK
+case 76:
+/* rule 76 can match eol */
+YY_RULE_SETUP
+#line 528 "lexgrog.l"
+/* comment */
+	YY_BREAK
+case 77:
+/* rule 77 can match eol */
+YY_RULE_SETUP
+#line 530 "lexgrog.l"
+/* font changes */
+	YY_BREAK
+case 78:
+/* rule 78 can match eol */
+YY_RULE_SETUP
+#line 531 "lexgrog.l"
+/* mark input place in register */
+	YY_BREAK
+case 79:
+/* rule 79 can match eol */
+YY_RULE_SETUP
+#line 533 "lexgrog.l"
+/* interpolate number register */
+	YY_BREAK
+case 80:
+/* rule 80 can match eol */
+YY_RULE_SETUP
+#line 534 "lexgrog.l"
+/* overstrike chars */
+	YY_BREAK
+case 81:
+/* rule 81 can match eol */
+YY_RULE_SETUP
+#line 536 "lexgrog.l"
+/* size changes */
+	YY_BREAK
+case 82:
+/* rule 82 can match eol */
+YY_RULE_SETUP
+#line 537 "lexgrog.l"
+/* width of string */
+	YY_BREAK
+case 83:
+/* rule 83 can match eol */
+YY_RULE_SETUP
+#line 539 "lexgrog.l"
+/* catch all */
+	YY_BREAK
+case 84:
+/* rule 84 can match eol */
+YY_RULE_SETUP
+#line 541 "lexgrog.l"
+/* function() in hpux */
+	YY_BREAK
+
+/* some people rather ambitiously use non-trivial mdoc macros in NAME
+    sections; cope with those that have been seen in the wild, and a few
+    more */
+
+case 85:
+/* rule 85 can match eol */
+YY_RULE_SETUP
+#line 548 "lexgrog.l"
+BEGIN (MAN_DESC_AT);
+	YY_BREAK
+case 86:
+/* rule 86 can match eol */
+YY_RULE_SETUP
+#line 549 "lexgrog.l"
+BEGIN (MAN_DESC_BSX);
+	YY_BREAK
+case 87:
+/* rule 87 can match eol */
+YY_RULE_SETUP
+#line 550 "lexgrog.l"
+BEGIN (MAN_DESC_BX);
+	YY_BREAK
+case 88:
+/* rule 88 can match eol */
+YY_RULE_SETUP
+#line 551 "lexgrog.l"
+BEGIN (MAN_DESC_FX);
+	YY_BREAK
+case 89:
+/* rule 89 can match eol */
+YY_RULE_SETUP
+#line 552 "lexgrog.l"
+BEGIN (MAN_DESC_NX);
+	YY_BREAK
+case 90:
+/* rule 90 can match eol */
+YY_RULE_SETUP
+#line 553 "lexgrog.l"
+BEGIN (MAN_DESC_OX);
+	YY_BREAK
+case 91:
+/* rule 91 can match eol */
+YY_RULE_SETUP
+#line 554 "lexgrog.l"
+add_word_to_whatis ("UNIX");
+	YY_BREAK
+case 92:
+/* rule 92 can match eol */
+YY_RULE_SETUP
+#line 556 "lexgrog.l"
+{
+		add_word_to_whatis ("\"");
+		BEGIN (MAN_DESC_DQ);
+	}
+	YY_BREAK
+
+
+case 93:
+YY_RULE_SETUP
+#line 563 "lexgrog.l"
+mdoc_text ("Version 32V AT&T UNIX");
+	YY_BREAK
+case 94:
+YY_RULE_SETUP
+#line 564 "lexgrog.l"
+mdoc_text ("Version 1 AT&T UNIX");
+	YY_BREAK
+case 95:
+YY_RULE_SETUP
+#line 565 "lexgrog.l"
+mdoc_text ("Version 2 AT&T UNIX");
+	YY_BREAK
+case 96:
+YY_RULE_SETUP
+#line 566 "lexgrog.l"
+mdoc_text ("Version 3 AT&T UNIX");
+	YY_BREAK
+case 97:
+YY_RULE_SETUP
+#line 567 "lexgrog.l"
+mdoc_text ("Version 4 AT&T UNIX");
+	YY_BREAK
+case 98:
+YY_RULE_SETUP
+#line 568 "lexgrog.l"
+mdoc_text ("Version 5 AT&T UNIX");
+	YY_BREAK
+case 99:
+YY_RULE_SETUP
+#line 569 "lexgrog.l"
+mdoc_text ("Version 6 AT&T UNIX");
+	YY_BREAK
+case 100:
+YY_RULE_SETUP
+#line 570 "lexgrog.l"
+mdoc_text ("Version 7 AT&T UNIX");
+	YY_BREAK
+case 101:
+YY_RULE_SETUP
+#line 571 "lexgrog.l"
+mdoc_text ("AT&T System V UNIX");
+	YY_BREAK
+case 102:
+YY_RULE_SETUP
+#line 572 "lexgrog.l"
+mdoc_text ("AT&T System V.1 UNIX");
+	YY_BREAK
+case 103:
+YY_RULE_SETUP
+#line 573 "lexgrog.l"
+mdoc_text ("AT&T System V.2 UNIX");
+	YY_BREAK
+case 104:
+YY_RULE_SETUP
+#line 574 "lexgrog.l"
+mdoc_text ("AT&T System V.3 UNIX");
+	YY_BREAK
+case 105:
+YY_RULE_SETUP
+#line 575 "lexgrog.l"
+mdoc_text ("AT&T System V.4 UNIX");
+	YY_BREAK
+case 106:
+/* rule 106 can match eol */
+YY_RULE_SETUP
+#line 576 "lexgrog.l"
+{
+		yyless (0);
+		mdoc_text ("AT&T UNIX");
+	}
+	YY_BREAK
+
+
+case 107:
+YY_RULE_SETUP
+#line 583 "lexgrog.l"
+{
+		add_word_to_whatis ("BSD/OS");
+		add_wordn_to_whatis (yytext, yyleng);
+		BEGIN (MAN_DESC);
+	}
+	YY_BREAK
+case 108:
+/* rule 108 can match eol */
+YY_RULE_SETUP
+#line 588 "lexgrog.l"
+{
+		yyless (0);
+		mdoc_text ("BSD/OS");
+	}
+	YY_BREAK
+
+
+case 109:
+YY_RULE_SETUP
+#line 595 "lexgrog.l"
+mdoc_text ("BSD (currently in alpha test)");
+	YY_BREAK
+case 110:
+YY_RULE_SETUP
+#line 596 "lexgrog.l"
+mdoc_text ("BSD (currently in beta test)");
+	YY_BREAK
+case 111:
+YY_RULE_SETUP
+#line 597 "lexgrog.l"
+mdoc_text ("BSD (currently under development");
+	YY_BREAK
+case 112:
+YY_RULE_SETUP
+#line 598 "lexgrog.l"
+{
+		add_wordn_to_whatis (yytext, yyleng);
+		add_str_to_whatis ("BSD", 3);
+		BEGIN (MAN_DESC_BX_RELEASE);
+	}
+	YY_BREAK
+case 113:
+/* rule 113 can match eol */
+YY_RULE_SETUP
+#line 603 "lexgrog.l"
+{
+		yyless (0);
+		mdoc_text ("BSD");
+	}
+	YY_BREAK
+
+
+case 114:
+YY_RULE_SETUP
+#line 610 "lexgrog.l"
+{
+		add_str_to_whatis ("-Reno", 5);
+		BEGIN (MAN_DESC);
+	}
+	YY_BREAK
+case 115:
+YY_RULE_SETUP
+#line 614 "lexgrog.l"
+{
+		add_str_to_whatis ("-Tahoe", 6);
+		BEGIN (MAN_DESC);
+	}
+	YY_BREAK
+case 116:
+YY_RULE_SETUP
+#line 618 "lexgrog.l"
+{
+		add_str_to_whatis ("-Lite", 5);
+		BEGIN (MAN_DESC);
+	}
+	YY_BREAK
+case 117:
+YY_RULE_SETUP
+#line 622 "lexgrog.l"
+{
+		add_str_to_whatis ("-Lite2", 6);
+		BEGIN (MAN_DESC);
+	}
+	YY_BREAK
+case 118:
+/* rule 118 can match eol */
+YY_RULE_SETUP
+#line 626 "lexgrog.l"
+{
+		yyless (0);
+		BEGIN (MAN_DESC);
+	}
+	YY_BREAK
+
+case 119:
+YY_RULE_SETUP
+#line 632 "lexgrog.l"
+{
+	add_str_to_whatis (yytext, yyleng);
+	add_char_to_whatis ('"');
+	BEGIN (MAN_DESC);
+}
+	YY_BREAK
+
+case 120:
+YY_RULE_SETUP
+#line 639 "lexgrog.l"
+{
+		add_word_to_whatis ("FreeBSD");
+		add_wordn_to_whatis (yytext, yyleng);
+		BEGIN (MAN_DESC);
+	}
+	YY_BREAK
+case 121:
+/* rule 121 can match eol */
+YY_RULE_SETUP
+#line 644 "lexgrog.l"
+{
+		yyless (0);
+		mdoc_text ("FreeBSD");
+	}
+	YY_BREAK
+
+
+case 122:
+YY_RULE_SETUP
+#line 651 "lexgrog.l"
+{
+		add_word_to_whatis ("NetBSD");
+		add_wordn_to_whatis (yytext, yyleng);
+		BEGIN (MAN_DESC);
+	}
+	YY_BREAK
+case 123:
+/* rule 123 can match eol */
+YY_RULE_SETUP
+#line 656 "lexgrog.l"
+{
+		yyless (0);
+		mdoc_text ("NetBSD");
+	}
+	YY_BREAK
+
+
+case 124:
+YY_RULE_SETUP
+#line 663 "lexgrog.l"
+{
+		add_word_to_whatis ("OpenBSD");
+		add_wordn_to_whatis (yytext, yyleng);
+		BEGIN (MAN_DESC);
+	}
+	YY_BREAK
+case 125:
+/* rule 125 can match eol */
+YY_RULE_SETUP
+#line 668 "lexgrog.l"
+{
+		yyless (0);
+		mdoc_text ("OpenBSD");
+	}
+	YY_BREAK
+
+/* collapse spaces, escaped spaces, tabs, newlines to a single space */
+case 126:
+/* rule 126 can match eol */
+YY_RULE_SETUP
+#line 675 "lexgrog.l"
+add_char_to_whatis (' ');
+	YY_BREAK
+/* a ROFF break request, a paragraph request, or an indentation change
+    usually means we have multiple whatis definitions, provide a separator
+    for later processing */
+
+case 127:
+/* rule 127 can match eol */
+#line 682 "lexgrog.l"
+case 128:
+/* rule 128 can match eol */
+#line 683 "lexgrog.l"
+case 129:
+/* rule 129 can match eol */
+#line 684 "lexgrog.l"
+case 130:
+/* rule 130 can match eol */
+#line 685 "lexgrog.l"
+case 131:
+/* rule 131 can match eol */
+#line 686 "lexgrog.l"
+case 132:
+/* rule 132 can match eol */
+#line 687 "lexgrog.l"
+case 133:
+/* rule 133 can match eol */
+#line 688 "lexgrog.l"
+case 134:
+/* rule 134 can match eol */
+YY_RULE_SETUP
+#line 688 "lexgrog.l"
+{
+		add_char_to_whatis ((char) 0x11);
+		BEGIN (MAN_NAME);
+	}
+	YY_BREAK
+
+/* any other roff request we don't recognise terminates definitions */
+case 135:
+/* rule 135 can match eol */
+YY_RULE_SETUP
+#line 695 "lexgrog.l"
+{
+	*p_name = '\0';
+	BEGIN (MAN_REST);
+}
+	YY_BREAK
+/* pass words as a chunk. speed optimization */
+case 136:
+YY_RULE_SETUP
+#line 701 "lexgrog.l"
+add_str_to_whatis (yytext, yyleng);
+	YY_BREAK
+/* normalise the comma (,) separators */
+case 137:
+/* rule 137 can match eol */
+#line 705 "lexgrog.l"
+case 138:
+/* rule 138 can match eol */
+YY_RULE_SETUP
+#line 705 "lexgrog.l"
+add_str_to_whatis (", ", 2);
+	YY_BREAK
+case 139:
+/* rule 139 can match eol */
+YY_RULE_SETUP
+#line 707 "lexgrog.l"
+{
+	newline_found ();
+	add_char_to_whatis (yytext[yyleng - 1]);
+}
+	YY_BREAK
+case 140:
+YY_RULE_SETUP
+#line 712 "lexgrog.l"
+add_char_to_whatis (*yytext);
+	YY_BREAK
+/* default EOF rule */
+case YY_STATE_EOF(INITIAL):
+case YY_STATE_EOF(MAN_DESC_AT):
+case YY_STATE_EOF(MAN_DESC_BSX):
+case YY_STATE_EOF(MAN_DESC_BX):
+case YY_STATE_EOF(MAN_DESC_BX_RELEASE):
+case YY_STATE_EOF(MAN_DESC_DQ):
+case YY_STATE_EOF(MAN_DESC_FX):
+case YY_STATE_EOF(MAN_DESC_NX):
+case YY_STATE_EOF(MAN_DESC_OX):
+case YY_STATE_EOF(CAT_NAME):
+case YY_STATE_EOF(CAT_FILE):
+case YY_STATE_EOF(MAN_FILE):
+case YY_STATE_EOF(CAT_REST):
+case YY_STATE_EOF(FORCE_EXIT):
+#line 715 "lexgrog.l"
+return 1;
+	YY_BREAK
+case 141:
+YY_RULE_SETUP
+#line 717 "lexgrog.l"
+ECHO;
+	YY_BREAK
+#line 4165 "lexgrog.c"
+
+	case YY_END_OF_BUFFER:
+		{
+		/* Amount of text matched not including the EOB char. */
+		int yy_amount_of_matched_text = (int) (yy_cp - (yytext_ptr)) - 1;
+
+		/* Undo the effects of YY_DO_BEFORE_ACTION. */
+		*yy_cp = (yy_hold_char);
+		YY_RESTORE_YY_MORE_OFFSET
+
+		if ( YY_CURRENT_BUFFER_LVALUE->yy_buffer_status == YY_BUFFER_NEW )
+			{
+			/* We're scanning a new file or input source.  It's
+			 * possible that this happened because the user
+			 * just pointed yyin at a new source and called
+			 * yylex().  If so, then we have to assure
+			 * consistency between YY_CURRENT_BUFFER and our
+			 * globals.  Here is the right place to do so, because
+			 * this is the first action (other than possibly a
+			 * back-up) that will match for the new input source.
+			 */
+			(yy_n_chars) = YY_CURRENT_BUFFER_LVALUE->yy_n_chars;
+			YY_CURRENT_BUFFER_LVALUE->yy_input_file = yyin;
+			YY_CURRENT_BUFFER_LVALUE->yy_buffer_status = YY_BUFFER_NORMAL;
+			}
+
+		/* Note that here we test for yy_c_buf_p "<=" to the position
+		 * of the first EOB in the buffer, since yy_c_buf_p will
+		 * already have been incremented past the NUL character
+		 * (since all states make transitions on EOB to the
+		 * end-of-buffer state).  Contrast this with the test
+		 * in input().
+		 */
+		if ( (yy_c_buf_p) <= &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] )
+			{ /* This was really a NUL. */
+			yy_state_type yy_next_state;
+
+			(yy_c_buf_p) = (yytext_ptr) + yy_amount_of_matched_text;
+
+			yy_current_state = yy_get_previous_state(  );
+
+			/* Okay, we're now positioned to make the NUL
+			 * transition.  We couldn't have
+			 * yy_get_previous_state() go ahead and do it
+			 * for us because it doesn't know how to deal
+			 * with the possibility of jamming (and we don't
+			 * want to build jamming into it because then it
+			 * will run more slowly).
+			 */
+
+			yy_next_state = yy_try_NUL_trans( yy_current_state );
+
+			yy_bp = (yytext_ptr) + YY_MORE_ADJ;
+
+			if ( yy_next_state )
+				{
+				/* Consume the NUL. */
+				yy_cp = ++(yy_c_buf_p);
+				yy_current_state = yy_next_state;
+				goto yy_match;
+				}
+
+			else
+				{
+				yy_cp = (yy_last_accepting_cpos);
+				yy_current_state = (yy_last_accepting_state);
+				goto yy_find_action;
+				}
+			}
+
+		else switch ( yy_get_next_buffer(  ) )
+			{
+			case EOB_ACT_END_OF_FILE:
+				{
+				(yy_did_buffer_switch_on_eof) = 0;
+
+				if ( yywrap(  ) )
+					{
+					/* Note: because we've taken care in
+					 * yy_get_next_buffer() to have set up
+					 * yytext, we can now set up
+					 * yy_c_buf_p so that if some total
+					 * hoser (like flex itself) wants to
+					 * call the scanner after we return the
+					 * YY_NULL, it'll still work - another
+					 * YY_NULL will get returned.
+					 */
+					(yy_c_buf_p) = (yytext_ptr) + YY_MORE_ADJ;
+
+					yy_act = YY_STATE_EOF(YY_START);
+					goto do_action;
+					}
+
+				else
+					{
+					if ( ! (yy_did_buffer_switch_on_eof) )
+						YY_NEW_FILE;
+					}
+				break;
+				}
+
+			case EOB_ACT_CONTINUE_SCAN:
+				(yy_c_buf_p) =
+					(yytext_ptr) + yy_amount_of_matched_text;
+
+				yy_current_state = yy_get_previous_state(  );
+
+				yy_cp = (yy_c_buf_p);
+				yy_bp = (yytext_ptr) + YY_MORE_ADJ;
+				goto yy_match;
+
+			case EOB_ACT_LAST_MATCH:
+				(yy_c_buf_p) =
+				&YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)];
+
+				yy_current_state = yy_get_previous_state(  );
+
+				yy_cp = (yy_c_buf_p);
+				yy_bp = (yytext_ptr) + YY_MORE_ADJ;
+				goto yy_find_action;
+			}
+		break;
+		}
+
+	default:
+		YY_FATAL_ERROR(
+			"fatal flex scanner internal error--no action found" );
+	} /* end of action switch */
+		} /* end of scanning one token */
+	} /* end of user's declarations */
+} /* end of yylex */
+
+/* yy_get_next_buffer - try to read in a new buffer
+ *
+ * Returns a code representing an action:
+ *	EOB_ACT_LAST_MATCH -
+ *	EOB_ACT_CONTINUE_SCAN - continue scanning from current position
+ *	EOB_ACT_END_OF_FILE - end of file
+ */
+static int yy_get_next_buffer (void)
+{
+    	char *dest = YY_CURRENT_BUFFER_LVALUE->yy_ch_buf;
+	char *source = (yytext_ptr);
+	int number_to_move, i;
+	int ret_val;
+
+	if ( (yy_c_buf_p) > &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars) + 1] )
+		YY_FATAL_ERROR(
+		"fatal flex scanner internal error--end of buffer missed" );
+
+	if ( YY_CURRENT_BUFFER_LVALUE->yy_fill_buffer == 0 )
+		{ /* Don't try to fill the buffer, so this is an EOF. */
+		if ( (yy_c_buf_p) - (yytext_ptr) - YY_MORE_ADJ == 1 )
+			{
+			/* We matched a single character, the EOB, so
+			 * treat this as a final EOF.
+			 */
+			return EOB_ACT_END_OF_FILE;
+			}
+
+		else
+			{
+			/* We matched some text prior to the EOB, first
+			 * process it.
+			 */
+			return EOB_ACT_LAST_MATCH;
+			}
+		}
+
+	/* Try to read more data. */
+
+	/* First move last chars to start of buffer. */
+	number_to_move = (int) ((yy_c_buf_p) - (yytext_ptr) - 1);
+
+	for ( i = 0; i < number_to_move; ++i )
+		*(dest++) = *(source++);
+
+	if ( YY_CURRENT_BUFFER_LVALUE->yy_buffer_status == YY_BUFFER_EOF_PENDING )
+		/* don't do the read, it's not guaranteed to return an EOF,
+		 * just force an EOF
+		 */
+		YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars) = 0;
+
+	else
+		{
+			int num_to_read =
+			YY_CURRENT_BUFFER_LVALUE->yy_buf_size - number_to_move - 1;
+
+		while ( num_to_read <= 0 )
+			{ /* Not enough room in the buffer - grow it. */
+
+			/* just a shorter name for the current buffer */
+			YY_BUFFER_STATE b = YY_CURRENT_BUFFER_LVALUE;
+
+			int yy_c_buf_p_offset =
+				(int) ((yy_c_buf_p) - b->yy_ch_buf);
+
+			if ( b->yy_is_our_buffer )
+				{
+				int new_size = b->yy_buf_size * 2;
+
+				if ( new_size <= 0 )
+					b->yy_buf_size += b->yy_buf_size / 8;
+				else
+					b->yy_buf_size *= 2;
+
+				b->yy_ch_buf = (char *)
+					/* Include room in for 2 EOB chars. */
+					yyrealloc( (void *) b->yy_ch_buf,
+							 (yy_size_t) (b->yy_buf_size + 2)  );
+				}
+			else
+				/* Can't grow it, we don't own it. */
+				b->yy_ch_buf = NULL;
+
+			if ( ! b->yy_ch_buf )
+				YY_FATAL_ERROR(
+				"fatal error - scanner input buffer overflow" );
+
+			(yy_c_buf_p) = &b->yy_ch_buf[yy_c_buf_p_offset];
+
+			num_to_read = YY_CURRENT_BUFFER_LVALUE->yy_buf_size -
+						number_to_move - 1;
+
+			}
+
+		if ( num_to_read > YY_READ_BUF_SIZE )
+			num_to_read = YY_READ_BUF_SIZE;
+
+		/* Read in more data. */
+		YY_INPUT( (&YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[number_to_move]),
+			(yy_n_chars), num_to_read );
+
+		YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars);
+		}
+
+	if ( (yy_n_chars) == 0 )
+		{
+		if ( number_to_move == YY_MORE_ADJ )
+			{
+			ret_val = EOB_ACT_END_OF_FILE;
+			yyrestart( yyin  );
+			}
+
+		else
+			{
+			ret_val = EOB_ACT_LAST_MATCH;
+			YY_CURRENT_BUFFER_LVALUE->yy_buffer_status =
+				YY_BUFFER_EOF_PENDING;
+			}
+		}
+
+	else
+		ret_val = EOB_ACT_CONTINUE_SCAN;
+
+	if (((yy_n_chars) + number_to_move) > YY_CURRENT_BUFFER_LVALUE->yy_buf_size) {
+		/* Extend the array by 50%, plus the number we really need. */
+		int new_size = (yy_n_chars) + number_to_move + ((yy_n_chars) >> 1);
+		YY_CURRENT_BUFFER_LVALUE->yy_ch_buf = (char *) yyrealloc(
+			(void *) YY_CURRENT_BUFFER_LVALUE->yy_ch_buf, (yy_size_t) new_size  );
+		if ( ! YY_CURRENT_BUFFER_LVALUE->yy_ch_buf )
+			YY_FATAL_ERROR( "out of dynamic memory in yy_get_next_buffer()" );
+		/* "- 2" to take care of EOB's */
+		YY_CURRENT_BUFFER_LVALUE->yy_buf_size = (int) (new_size - 2);
+	}
+
+	(yy_n_chars) += number_to_move;
+	YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] = YY_END_OF_BUFFER_CHAR;
+	YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars) + 1] = YY_END_OF_BUFFER_CHAR;
+
+	(yytext_ptr) = &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[0];
+
+	return ret_val;
+}
+
+/* yy_get_previous_state - get the state just before the EOB char was reached */
+
+    static yy_state_type yy_get_previous_state (void)
+{
+	yy_state_type yy_current_state;
+	char *yy_cp;
+    
+	yy_current_state = (yy_start);
+
+	for ( yy_cp = (yytext_ptr) + YY_MORE_ADJ; yy_cp < (yy_c_buf_p); ++yy_cp )
+		{
+		YY_CHAR yy_c = (*yy_cp ? yy_ec[YY_SC_TO_UI(*yy_cp)] : 1);
+		if ( yy_accept[yy_current_state] )
+			{
+			(yy_last_accepting_state) = yy_current_state;
+			(yy_last_accepting_cpos) = yy_cp;
+			}
+		while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state )
+			{
+			yy_current_state = (int) yy_def[yy_current_state];
+			if ( yy_current_state >= 1585 )
+				yy_c = yy_meta[yy_c];
+			}
+		yy_current_state = yy_nxt[yy_base[yy_current_state] + yy_c];
+		}
+
+	return yy_current_state;
+}
+
+/* yy_try_NUL_trans - try to make a transition on the NUL character
+ *
+ * synopsis
+ *	next_state = yy_try_NUL_trans( current_state );
+ */
+    static yy_state_type yy_try_NUL_trans  (yy_state_type yy_current_state )
+{
+	int yy_is_jam;
+    	char *yy_cp = (yy_c_buf_p);
+
+	YY_CHAR yy_c = 1;
+	if ( yy_accept[yy_current_state] )
+		{
+		(yy_last_accepting_state) = yy_current_state;
+		(yy_last_accepting_cpos) = yy_cp;
+		}
+	while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state )
+		{
+		yy_current_state = (int) yy_def[yy_current_state];
+		if ( yy_current_state >= 1585 )
+			yy_c = yy_meta[yy_c];
+		}
+	yy_current_state = yy_nxt[yy_base[yy_current_state] + yy_c];
+	yy_is_jam = (yy_current_state == 1584);
+
+		return yy_is_jam ? 0 : yy_current_state;
+}
+
+#ifndef YY_NO_UNPUT
+
+#endif
+
+#ifndef YY_NO_INPUT
+#ifdef __cplusplus
+    static int yyinput (void)
+#else
+    static int input  (void)
+#endif
+
+{
+	int c;
+    
+	*(yy_c_buf_p) = (yy_hold_char);
+
+	if ( *(yy_c_buf_p) == YY_END_OF_BUFFER_CHAR )
+		{
+		/* yy_c_buf_p now points to the character we want to return.
+		 * If this occurs *before* the EOB characters, then it's a
+		 * valid NUL; if not, then we've hit the end of the buffer.
+		 */
+		if ( (yy_c_buf_p) < &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] )
+			/* This was really a NUL. */
+			*(yy_c_buf_p) = '\0';
+
+		else
+			{ /* need more input */
+			int offset = (int) ((yy_c_buf_p) - (yytext_ptr));
+			++(yy_c_buf_p);
+
+			switch ( yy_get_next_buffer(  ) )
+				{
+				case EOB_ACT_LAST_MATCH:
+					/* This happens because yy_g_n_b()
+					 * sees that we've accumulated a
+					 * token and flags that we need to
+					 * try matching the token before
+					 * proceeding.  But for input(),
+					 * there's no matching to consider.
+					 * So convert the EOB_ACT_LAST_MATCH
+					 * to EOB_ACT_END_OF_FILE.
+					 */
+
+					/* Reset buffer status. */
+					yyrestart( yyin );
+
+					/*FALLTHROUGH*/
+
+				case EOB_ACT_END_OF_FILE:
+					{
+					if ( yywrap(  ) )
+						return 0;
+
+					if ( ! (yy_did_buffer_switch_on_eof) )
+						YY_NEW_FILE;
+#ifdef __cplusplus
+					return yyinput();
+#else
+					return input();
+#endif
+					}
+
+				case EOB_ACT_CONTINUE_SCAN:
+					(yy_c_buf_p) = (yytext_ptr) + offset;
+					break;
+				}
+			}
+		}
+
+	c = *(unsigned char *) (yy_c_buf_p);	/* cast for 8-bit char's */
+	*(yy_c_buf_p) = '\0';	/* preserve yytext */
+	(yy_hold_char) = *++(yy_c_buf_p);
+
+	return c;
+}
+#endif	/* ifndef YY_NO_INPUT */
+
+/** Immediately switch to a different input stream.
+ * @param input_file A readable stream.
+ * 
+ * @note This function does not reset the start condition to @c INITIAL .
+ */
+    void yyrestart  (FILE * input_file )
+{
+    
+	if ( ! YY_CURRENT_BUFFER ){
+        yyensure_buffer_stack ();
+		YY_CURRENT_BUFFER_LVALUE =
+            yy_create_buffer( yyin, YY_BUF_SIZE );
+	}
+
+	yy_init_buffer( YY_CURRENT_BUFFER, input_file );
+	yy_load_buffer_state(  );
+}
+
+/** Switch to a different input buffer.
+ * @param new_buffer The new input buffer.
+ * 
+ */
+    void yy_switch_to_buffer  (YY_BUFFER_STATE  new_buffer )
+{
+    
+	/* TODO. We should be able to replace this entire function body
+	 * with
+	 *		yypop_buffer_state();
+	 *		yypush_buffer_state(new_buffer);
+     */
+	yyensure_buffer_stack ();
+	if ( YY_CURRENT_BUFFER == new_buffer )
+		return;
+
+	if ( YY_CURRENT_BUFFER )
+		{
+		/* Flush out information for old buffer. */
+		*(yy_c_buf_p) = (yy_hold_char);
+		YY_CURRENT_BUFFER_LVALUE->yy_buf_pos = (yy_c_buf_p);
+		YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars);
+		}
+
+	YY_CURRENT_BUFFER_LVALUE = new_buffer;
+	yy_load_buffer_state(  );
+
+	/* We don't actually know whether we did this switch during
+	 * EOF (yywrap()) processing, but the only time this flag
+	 * is looked at is after yywrap() is called, so it's safe
+	 * to go ahead and always set it.
+	 */
+	(yy_did_buffer_switch_on_eof) = 1;
+}
+
+static void yy_load_buffer_state  (void)
+{
+    	(yy_n_chars) = YY_CURRENT_BUFFER_LVALUE->yy_n_chars;
+	(yytext_ptr) = (yy_c_buf_p) = YY_CURRENT_BUFFER_LVALUE->yy_buf_pos;
+	yyin = YY_CURRENT_BUFFER_LVALUE->yy_input_file;
+	(yy_hold_char) = *(yy_c_buf_p);
+}
+
+/** Allocate and initialize an input buffer state.
+ * @param file A readable stream.
+ * @param size The character buffer size in bytes. When in doubt, use @c YY_BUF_SIZE.
+ * 
+ * @return the allocated buffer state.
+ */
+    YY_BUFFER_STATE yy_create_buffer  (FILE * file, int  size )
+{
+	YY_BUFFER_STATE b;
+    
+	b = (YY_BUFFER_STATE) yyalloc( sizeof( struct yy_buffer_state )  );
+	if ( ! b )
+		YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" );
+
+	b->yy_buf_size = size;
+
+	/* yy_ch_buf has to be 2 characters longer than the size given because
+	 * we need to put in 2 end-of-buffer characters.
+	 */
+	b->yy_ch_buf = (char *) yyalloc( (yy_size_t) (b->yy_buf_size + 2)  );
+	if ( ! b->yy_ch_buf )
+		YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" );
+
+	b->yy_is_our_buffer = 1;
+
+	yy_init_buffer( b, file );
+
+	return b;
+}
+
+/** Destroy the buffer.
+ * @param b a buffer created with yy_create_buffer()
+ * 
+ */
+    void yy_delete_buffer (YY_BUFFER_STATE  b )
+{
+    
+	if ( ! b )
+		return;
+
+	if ( b == YY_CURRENT_BUFFER ) /* Not sure if we should pop here. */
+		YY_CURRENT_BUFFER_LVALUE = (YY_BUFFER_STATE) 0;
+
+	if ( b->yy_is_our_buffer )
+		yyfree( (void *) b->yy_ch_buf  );
+
+	yyfree( (void *) b  );
+}
+
+/* Initializes or reinitializes a buffer.
+ * This function is sometimes called more than once on the same buffer,
+ * such as during a yyrestart() or at EOF.
+ */
+    static void yy_init_buffer  (YY_BUFFER_STATE  b, FILE * file )
+
+{
+	int oerrno = errno;
+    
+	yy_flush_buffer( b );
+
+	b->yy_input_file = file;
+	b->yy_fill_buffer = 1;
+
+    /* If b is the current buffer, then yy_init_buffer was _probably_
+     * called from yyrestart() or through yy_get_next_buffer.
+     * In that case, we don't want to reset the lineno or column.
+     */
+    if (b != YY_CURRENT_BUFFER){
+        b->yy_bs_lineno = 1;
+        b->yy_bs_column = 0;
+    }
+
+        b->yy_is_interactive = 0;
+    
+	errno = oerrno;
+}
+
+/** Discard all buffered characters. On the next scan, YY_INPUT will be called.
+ * @param b the buffer state to be flushed, usually @c YY_CURRENT_BUFFER.
+ * 
+ */
+    void yy_flush_buffer (YY_BUFFER_STATE  b )
+{
+    	if ( ! b )
+		return;
+
+	b->yy_n_chars = 0;
+
+	/* We always need two end-of-buffer characters.  The first causes
+	 * a transition to the end-of-buffer state.  The second causes
+	 * a jam in that state.
+	 */
+	b->yy_ch_buf[0] = YY_END_OF_BUFFER_CHAR;
+	b->yy_ch_buf[1] = YY_END_OF_BUFFER_CHAR;
+
+	b->yy_buf_pos = &b->yy_ch_buf[0];
+
+	b->yy_at_bol = 1;
+	b->yy_buffer_status = YY_BUFFER_NEW;
+
+	if ( b == YY_CURRENT_BUFFER )
+		yy_load_buffer_state(  );
+}
+
+/** Pushes the new state onto the stack. The new state becomes
+ *  the current state. This function will allocate the stack
+ *  if necessary.
+ *  @param new_buffer The new state.
+ *  
+ */
+void yypush_buffer_state (YY_BUFFER_STATE new_buffer )
+{
+    	if (new_buffer == NULL)
+		return;
+
+	yyensure_buffer_stack();
+
+	/* This block is copied from yy_switch_to_buffer. */
+	if ( YY_CURRENT_BUFFER )
+		{
+		/* Flush out information for old buffer. */
+		*(yy_c_buf_p) = (yy_hold_char);
+		YY_CURRENT_BUFFER_LVALUE->yy_buf_pos = (yy_c_buf_p);
+		YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars);
+		}
+
+	/* Only push if top exists. Otherwise, replace top. */
+	if (YY_CURRENT_BUFFER)
+		(yy_buffer_stack_top)++;
+	YY_CURRENT_BUFFER_LVALUE = new_buffer;
+
+	/* copied from yy_switch_to_buffer. */
+	yy_load_buffer_state(  );
+	(yy_did_buffer_switch_on_eof) = 1;
+}
+
+/** Removes and deletes the top of the stack, if present.
+ *  The next element becomes the new top.
+ *  
+ */
+void yypop_buffer_state (void)
+{
+    	if (!YY_CURRENT_BUFFER)
+		return;
+
+	yy_delete_buffer(YY_CURRENT_BUFFER );
+	YY_CURRENT_BUFFER_LVALUE = NULL;
+	if ((yy_buffer_stack_top) > 0)
+		--(yy_buffer_stack_top);
+
+	if (YY_CURRENT_BUFFER) {
+		yy_load_buffer_state(  );
+		(yy_did_buffer_switch_on_eof) = 1;
+	}
+}
+
+/* Allocates the stack if it does not exist.
+ *  Guarantees space for at least one push.
+ */
+static void yyensure_buffer_stack (void)
+{
+	yy_size_t num_to_alloc;
+    
+	if (!(yy_buffer_stack)) {
+
+		/* First allocation is just for 2 elements, since we don't know if this
+		 * scanner will even need a stack. We use 2 instead of 1 to avoid an
+		 * immediate realloc on the next call.
+         */
+      num_to_alloc = 1; /* After all that talk, this was set to 1 anyways... */
+		(yy_buffer_stack) = (struct yy_buffer_state**)yyalloc
+								(num_to_alloc * sizeof(struct yy_buffer_state*)
+								);
+		if ( ! (yy_buffer_stack) )
+			YY_FATAL_ERROR( "out of dynamic memory in yyensure_buffer_stack()" );
+
+		memset((yy_buffer_stack), 0, num_to_alloc * sizeof(struct yy_buffer_state*));
+
+		(yy_buffer_stack_max) = num_to_alloc;
+		(yy_buffer_stack_top) = 0;
+		return;
+	}
+
+	if ((yy_buffer_stack_top) >= ((yy_buffer_stack_max)) - 1){
+
+		/* Increase the buffer to prepare for a possible push. */
+		yy_size_t grow_size = 8 /* arbitrary grow size */;
+
+		num_to_alloc = (yy_buffer_stack_max) + grow_size;
+		(yy_buffer_stack) = (struct yy_buffer_state**)yyrealloc
+								((yy_buffer_stack),
+								num_to_alloc * sizeof(struct yy_buffer_state*)
+								);
+		if ( ! (yy_buffer_stack) )
+			YY_FATAL_ERROR( "out of dynamic memory in yyensure_buffer_stack()" );
+
+		/* zero only the new slots.*/
+		memset((yy_buffer_stack) + (yy_buffer_stack_max), 0, grow_size * sizeof(struct yy_buffer_state*));
+		(yy_buffer_stack_max) = num_to_alloc;
+	}
+}
+
+/** Setup the input buffer state to scan directly from a user-specified character buffer.
+ * @param base the character buffer
+ * @param size the size in bytes of the character buffer
+ * 
+ * @return the newly allocated buffer state object.
+ */
+YY_BUFFER_STATE yy_scan_buffer  (char * base, yy_size_t  size )
+{
+	YY_BUFFER_STATE b;
+    
+	if ( size < 2 ||
+	     base[size-2] != YY_END_OF_BUFFER_CHAR ||
+	     base[size-1] != YY_END_OF_BUFFER_CHAR )
+		/* They forgot to leave room for the EOB's. */
+		return NULL;
+
+	b = (YY_BUFFER_STATE) yyalloc( sizeof( struct yy_buffer_state )  );
+	if ( ! b )
+		YY_FATAL_ERROR( "out of dynamic memory in yy_scan_buffer()" );
+
+	b->yy_buf_size = (int) (size - 2);	/* "- 2" to take care of EOB's */
+	b->yy_buf_pos = b->yy_ch_buf = base;
+	b->yy_is_our_buffer = 0;
+	b->yy_input_file = NULL;
+	b->yy_n_chars = b->yy_buf_size;
+	b->yy_is_interactive = 0;
+	b->yy_at_bol = 1;
+	b->yy_fill_buffer = 0;
+	b->yy_buffer_status = YY_BUFFER_NEW;
+
+	yy_switch_to_buffer( b  );
+
+	return b;
+}
+
+/** Setup the input buffer state to scan a string. The next call to yylex() will
+ * scan from a @e copy of @a str.
+ * @param yystr a NUL-terminated string to scan
+ * 
+ * @return the newly allocated buffer state object.
+ * @note If you want to scan bytes that may contain NUL values, then use
+ *       yy_scan_bytes() instead.
+ */
+YY_BUFFER_STATE yy_scan_string (const char * yystr )
+{
+    
+	return yy_scan_bytes( yystr, (int) strlen(yystr) );
+}
+
+/** Setup the input buffer state to scan the given bytes. The next call to yylex() will
+ * scan from a @e copy of @a bytes.
+ * @param yybytes the byte buffer to scan
+ * @param _yybytes_len the number of bytes in the buffer pointed to by @a bytes.
+ * 
+ * @return the newly allocated buffer state object.
+ */
+YY_BUFFER_STATE yy_scan_bytes  (const char * yybytes, int  _yybytes_len )
+{
+	YY_BUFFER_STATE b;
+	char *buf;
+	yy_size_t n;
+	int i;
+    
+	/* Get memory for full buffer, including space for trailing EOB's. */
+	n = (yy_size_t) (_yybytes_len + 2);
+	buf = (char *) yyalloc( n  );
+	if ( ! buf )
+		YY_FATAL_ERROR( "out of dynamic memory in yy_scan_bytes()" );
+
+	for ( i = 0; i < _yybytes_len; ++i )
+		buf[i] = yybytes[i];
+
+	buf[_yybytes_len] = buf[_yybytes_len+1] = YY_END_OF_BUFFER_CHAR;
+
+	b = yy_scan_buffer( buf, n );
+	if ( ! b )
+		YY_FATAL_ERROR( "bad buffer in yy_scan_bytes()" );
+
+	/* It's okay to grow etc. this buffer, and we should throw it
+	 * away when we're done.
+	 */
+	b->yy_is_our_buffer = 1;
+
+	return b;
+}
+
+#ifndef YY_EXIT_FAILURE
+#define YY_EXIT_FAILURE 2
+#endif
+
+static void yynoreturn yy_fatal_error (const char* msg )
+{
+			fprintf( stderr, "%s\n", msg );
+	exit( YY_EXIT_FAILURE );
+}
+
+/* Redefine yyless() so it works in section 3 code. */
+
+#undef yyless
+#define yyless(n) \
+	do \
+		{ \
+		/* Undo effects of setting up yytext. */ \
+        int yyless_macro_arg = (n); \
+        YY_LESS_LINENO(yyless_macro_arg);\
+		yytext[yyleng] = (yy_hold_char); \
+		(yy_c_buf_p) = yytext + yyless_macro_arg; \
+		(yy_hold_char) = *(yy_c_buf_p); \
+		*(yy_c_buf_p) = '\0'; \
+		yyleng = yyless_macro_arg; \
+		} \
+	while ( 0 )
+
+/* Accessor  methods (get/set functions) to struct members. */
+
+/** Get the current line number.
+ * 
+ */
+int yyget_lineno  (void)
+{
+    
+    return yylineno;
+}
+
+/** Get the input stream.
+ * 
+ */
+FILE *yyget_in  (void)
+{
+        return yyin;
+}
+
+/** Get the output stream.
+ * 
+ */
+FILE *yyget_out  (void)
+{
+        return yyout;
+}
+
+/** Get the length of the current token.
+ * 
+ */
+int yyget_leng  (void)
+{
+        return yyleng;
+}
+
+/** Get the current token.
+ * 
+ */
+
+char *yyget_text  (void)
+{
+        return yytext;
+}
+
+/** Set the current line number.
+ * @param _line_number line number
+ * 
+ */
+void yyset_lineno (int  _line_number )
+{
+    
+    yylineno = _line_number;
+}
+
+/** Set the input stream. This does not discard the current
+ * input buffer.
+ * @param _in_str A readable stream.
+ * 
+ * @see yy_switch_to_buffer
+ */
+void yyset_in (FILE *  _in_str )
+{
+        yyin = _in_str ;
+}
+
+void yyset_out (FILE *  _out_str )
+{
+        yyout = _out_str ;
+}
+
+int yyget_debug  (void)
+{
+        return yy_flex_debug;
+}
+
+void yyset_debug (int  _bdebug )
+{
+        yy_flex_debug = _bdebug ;
+}
+
+static int yy_init_globals (void)
+{
+        /* Initialization is the same as for the non-reentrant scanner.
+     * This function is called from yylex_destroy(), so don't allocate here.
+     */
+
+    (yy_buffer_stack) = NULL;
+    (yy_buffer_stack_top) = 0;
+    (yy_buffer_stack_max) = 0;
+    (yy_c_buf_p) = NULL;
+    (yy_init) = 0;
+    (yy_start) = 0;
+
+/* Defined in main.c */
+#ifdef YY_STDINIT
+    yyin = stdin;
+    yyout = stdout;
+#else
+    yyin = NULL;
+    yyout = NULL;
+#endif
+
+    /* For future reference: Set errno on error, since we are called by
+     * yylex_init()
+     */
+    return 0;
+}
+
+/* yylex_destroy is for both reentrant and non-reentrant scanners. */
+int yylex_destroy  (void)
+{
+    
+    /* Pop the buffer stack, destroying each element. */
+	while(YY_CURRENT_BUFFER){
+		yy_delete_buffer( YY_CURRENT_BUFFER  );
+		YY_CURRENT_BUFFER_LVALUE = NULL;
+		yypop_buffer_state();
+	}
+
+	/* Destroy the stack itself. */
+	yyfree((yy_buffer_stack) );
+	(yy_buffer_stack) = NULL;
+
+    /* Reset the globals. This is important in a non-reentrant scanner so the next time
+     * yylex() is called, initialization will occur. */
+    yy_init_globals( );
+
+    return 0;
+}
+
+/*
+ * Internal utility routines.
+ */
+
+#ifndef yytext_ptr
+static void yy_flex_strncpy (char* s1, const char * s2, int n )
+{
+		
+	int i;
+	for ( i = 0; i < n; ++i )
+		s1[i] = s2[i];
+}
+#endif
+
+#ifdef YY_NEED_STRLEN
+static int yy_flex_strlen (const char * s )
+{
+	int n;
+	for ( n = 0; s[n]; ++n )
+		;
+
+	return n;
+}
+#endif
+
+void *yyalloc (yy_size_t  size )
+{
+			return malloc(size);
+}
+
+void *yyrealloc  (void * ptr, yy_size_t  size )
+{
+		
+	/* The cast to (char *) in the following accommodates both
+	 * implementations that use char* generic pointers, and those
+	 * that use void* generic pointers.  It works with the latter
+	 * because both ANSI C and C++ allow castless assignment from
+	 * any pointer type to void*, and deal with argument conversions
+	 * as though doing an assignment.
+	 */
+	return realloc(ptr, size);
+}
+
+void yyfree (void * ptr )
+{
+			free( (char *) ptr );	/* see yyrealloc() for (char *) cast */
+}
+
+#define YYTABLES_NAME "yytables"
+
+#line 717 "lexgrog.l"
+
+
+/* print warning and force scanner to terminate */
+static void too_big (void)
+{
+	/* Even though MAX_NAME is a macro expanding to a constant, we
+	 * translate it using ngettext anyway because that will make it
+	 * easier to change the macro later.
+	 */
+	error (0, 0,
+	       ngettext ("warning: whatis for %s exceeds %d byte, "
+			 "truncating.",
+			 "warning: whatis for %s exceeds %d bytes, "
+			 "truncating.", MAX_NAME),
+	       fname, MAX_NAME);
+
+	BEGIN (FORCE_EXIT);
+}
+
+/* append a string to newname if enough room */
+static void add_str_to_whatis (const char *string, size_t length)
+{
+	if (p_name - newname + length >= MAX_NAME)
+		too_big ();
+	else {
+		(void) strncpy (p_name, string, length);
+		p_name += length;
+	}
+}
+
+/* append a char to newname if enough room */
+static void add_char_to_whatis (unsigned char c)
+{
+	if (p_name - newname + 1 >= MAX_NAME)
+		too_big ();
+	else if (waiting_for_quote && c == '"')
+		waiting_for_quote = false;
+	else
+		*p_name++ = c;
+}
+
+/* append the " - " separator to newname, trimming the first space if one's
+ * already there
+ */
+static void add_separator_to_whatis (void)
+{
+	if (p_name != newname && *(p_name - 1) != ' ')
+		add_char_to_whatis (' ');
+	add_str_to_whatis ("- ", 2);
+}
+
+/* append a word to newname if enough room, ensuring only necessary
+   surrounding space */
+static void add_wordn_to_whatis (const char *string, size_t length)
+{
+	if (p_name != newname && *(p_name - 1) != ' ')
+		add_char_to_whatis (' ');
+	while (length && string[length - 1] == ' ')
+		--length;
+	if (length)
+		add_str_to_whatis (string, length);
+}
+
+static void add_word_to_whatis (const char *string)
+{
+	add_wordn_to_whatis (string, strlen (string));
+}
+
+struct compare_macro_key {
+	const char *string;
+	size_t length;
+};
+
+static int compare_macro (const void *left, const void *right)
+{
+	const struct compare_macro_key *key = left;
+	const struct macro *value = right;
+	int cmp;
+
+	cmp = strncmp (key->string, value->name, key->length);
+	if (cmp)
+		return cmp;
+	/* equal up to key->length, so value->name must be at least size
+	 * key->length + 1
+	 */
+	else if (value->name[key->length])
+		return -1;
+	else
+		return 0;
+}
+
+static void add_macro_to_whatis (const struct macro *macros, size_t n_macros,
+				 const char *string, size_t length)
+{
+	struct compare_macro_key key;
+	const struct macro *macro;
+
+	key.string = string;
+	key.length = length;
+	macro = bsearch (&key, macros, n_macros, sizeof (struct macro),
+			 compare_macro);
+	if (macro)
+		add_str_to_whatis (macro->value, strlen (macro->value));
+}
+
+static void add_glyph_to_whatis (const char *string, size_t length)
+{
+	add_macro_to_whatis (glyphs, ARRAY_SIZE (glyphs), string, length);
+}
+
+static void add_perldoc_to_whatis (const char *string, size_t length)
+{
+	add_macro_to_whatis (perldocs, ARRAY_SIZE (perldocs), string, length);
+}
+
+static void mdoc_text (const char *string)
+{
+	add_word_to_whatis (string);
+	BEGIN (MAN_DESC);
+}
+
+static void newline_found (void)
+{
+	/* If we are mid p_name and the last added char was not a space,
+	 * best add one.
+	 */
+	if (p_name != newname && *(p_name - 1) != ' ') {
+		if (fill_mode)
+			add_char_to_whatis (' ');
+		else {
+			add_char_to_whatis ((char) 0x11);
+			BEGIN (MAN_NAME);
+		}
+	}
+	waiting_for_quote = false;
+}
+
+int find_name (const char *file, const char *filename, lexgrog *p_lg,
+	       const char *encoding)
+{
+	int ret = 0;
+	decompress *d;
+	char *page_encoding = NULL;
+	bool run_col = p_lg->type == CATPAGE && *PROG_COL != '\0';
+
+	if (strcmp (file, "-") == 0) {
+		d = decompress_fdopen (dup (STDIN_FILENO));
+	} else {
+		struct stat st;
+		int decompress_flags;
+		char *lang;
+
+		if (stat (file, &st)) {
+			error (0, errno, "%s", file);
+			return 0;
+		}
+
+		if (S_ISDIR (st.st_mode)) {
+			error (0, EISDIR, "%s", file);
+			return 0;
+		}
+
+		drop_effective_privs ();
+		decompress_flags = 0;
+		/* If we're looking at a cat page, then we need to run col
+		 * over it, which doesn't work conveniently with an
+		 * in-process decompressor.
+		 */
+		if (!run_col)
+			decompress_flags |= DECOMPRESS_ALLOW_INPROCESS;
+		d = decompress_open (file, decompress_flags);
+		if (!d) {
+			error (0, errno, _("can't open %s"), file);
+			regain_effective_privs ();
+			return 0;
+		}
+		regain_effective_privs ();
+
+		if (!encoding) {
+			lang = lang_dir (file);
+			page_encoding = get_page_encoding (lang);
+			free (lang);
+		}
+	}
+	if (!page_encoding && encoding)
+		page_encoding = xstrdup (encoding);
+	if (page_encoding) {
+		if (decompress_is_pipeline (d))
+			add_manconv (decompress_get_pipeline (d),
+				     page_encoding, "UTF-8");
+		else if (manconv_inprocess (d, page_encoding, "UTF-8") != 0)
+			/* manconv should already have written to stderr, so
+			 * just return zero (i.e. no result).
+			 */
+			goto out;
+	}
+	if (run_col) {
+		pipecmd *col_cmd;
+		col_cmd = pipecmd_new_args
+			(PROG_COL, "-b", "-p", "-x", (void *) 0);
+		pipecmd_pre_exec (col_cmd, sandbox_load, sandbox_free,
+				  sandbox);
+		pipeline_command (decompress_get_pipeline (d), col_cmd);
+	}
+	decompress_start (d);
+
+	ret = find_name_decompressed (d, filename, p_lg);
+
+out:
+	free (page_encoding);
+	decompress_free (d);
+	return ret;
+}
+
+int find_name_decompressed (decompress *d, const char *filename, lexgrog *p_lg)
+{
+	int ret;
+
+	decomp = d;
+
+	fname = filename;
+	*(p_name = newname) = '\0';
+	memset (filters, '_', sizeof (filters));
+
+	fill_mode = true;
+	waiting_for_quote = false;
+
+	if (p_lg->type == CATPAGE)
+		BEGIN (CAT_FILE);
+	else
+		BEGIN (MAN_FILE);
+
+	drop_effective_privs ();
+
+	yyrestart (NULL);
+	ret = yylex ();
+
+	regain_effective_privs ();
+
+	decompress_wait (decomp);
+
+	if (ret)
+		return 0;
+	else {
+		char f_tmp[MAX_FILTERS];
+		int j, k;
+
+		/* wipe out any leading or trailing spaces */
+		if (*newname) {
+			for (p_name = strchr (newname, '\0');
+			     *(p_name - 1) == ' ';
+			     p_name--);
+			if (*p_name == ' ')
+				*p_name = '\0';
+		}
+		for (p_name = newname; *p_name == ' '; p_name++);
+		p_lg->whatis = xstrdup (p_name);
+		memset (f_tmp, '\0', MAX_FILTERS);
+		f_tmp[0] = '-';
+		for (j = k = 0; j < MAX_FILTERS; j++)
+			if (filters[j] != '_')
+				f_tmp[k++] = filters[j];
+		p_lg->filters = xstrdup (f_tmp);
+		return p_name[0];
+	}
+}
+
diff --git a/src/lexgrog.h b/src/lexgrog.h
new file mode 100644
index 0000000..6349bd7
--- /dev/null
+++ b/src/lexgrog.h
@@ -0,0 +1,38 @@
+/*
+ * lexgrog.h: interface to extracting whatis info
+ *
+ * Copyright (C) 1994, 1995 Graeme W. Wilford. (Wilf.)
+ * Copyright (C) 2001-2022 Colin Watson.
+ *
+ * This file is part of man-db.
+ *
+ * man-db is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * man-db is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with man-db; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+
+#define MANPAGE		0
+#define CATPAGE		1
+
+#include "decompress.h"
+
+typedef struct lexgrog {
+	int type;
+	char *whatis;
+	char *filters;
+} lexgrog;
+
+extern int find_name (const char *file, const char *filename,
+		      lexgrog *p_lg, const char *encoding);
+extern int find_name_decompressed (decompress *d, const char *filename,
+				   lexgrog *p_lg);
diff --git a/src/lexgrog.l b/src/lexgrog.l
new file mode 100644
index 0000000..41527a4
--- /dev/null
+++ b/src/lexgrog.l
@@ -0,0 +1,981 @@
+%top{
+#ifdef HAVE_CONFIG_H
+#  include "config.h"
+#endif /* HAVE_CONFIG_H */
+
+#include "manconfig.h"
+
+/* Flex emits several functions which might reasonably have various
+ * attributes applied and many unused macros; none of these are our problem.
+ */
+#if GNUC_PREREQ(8,0)
+#  pragma GCC diagnostic ignored "-Wsuggest-attribute=malloc"
+#endif
+#pragma GCC diagnostic ignored "-Wsuggest-attribute=pure"
+#pragma GCC diagnostic ignored "-Wunused-macros"
+}
+
+%{
+
+/*
+ * lexgrog.l: extract 'whatis' info from nroff man / formatted cat pages.
+ *
+ * Copyright (C) 1994, 1995 Graeme W. Wilford. (Wilf.)
+ * Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010,
+ *               2011, 2012 Colin Watson.
+ *
+ * This file is part of man-db.
+ *
+ * man-db is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * man-db is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with man-db; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ * Wed Oct 12 18:46:11 BST 1994  Wilf. (G.Wilford@ee.surrey.ac.uk)
+ *
+ * CJW: Detect grap and vgrind. Understand fill requests. Other improvements
+ * in the syntax accepted.
+ */
+
+#include <sys/stat.h>
+#include <errno.h>
+#include <stdbool.h>
+#include <string.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+#include "error.h"
+#include "xalloc.h"
+
+#include "gettext.h"
+#define _(String) gettext (String)
+
+#include "encodings.h"
+#include "pipeline.h"
+#include "sandbox.h"
+#include "security.h"
+#include "util.h"
+
+#include "decompress.h"
+#include "lexgrog.h"
+#include "manconv.h"
+#include "manconv_client.h"
+
+#define YY_READ_BUF_SIZE	1024
+#define MAX_NAME		8192
+
+/* defines the ordered list of filters detected by lexgrog */
+enum {
+	TBL_FILTER = 0,	/* tbl */
+	EQN_FILTER,	/* eqn */
+	PIC_FILTER,	/* pic */
+	GRAP_FILTER,	/* grap */
+	REF_FILTER,	/* refer */
+	VGRIND_FILTER,	/* vgrind */
+	MAX_FILTERS	/* delimiter */
+};
+
+#define ARRAY_SIZE(array) (sizeof (array) / sizeof ((array)[0]))
+
+extern man_sandbox *sandbox;
+
+struct macro {
+	const char *name;
+	const char *value;
+};
+
+static const struct macro glyphs[] = {
+	/* It is vital to keep these in strcmp order (sort -t\" -k2)!  They
+	 * will be searched using bsearch.
+	 * Data from groff_char(7), although I have omitted some that are
+	 * particularly unlikely to be used in NAME sections.
+	 */
+	{ "'A", "Á" },
+	{ "'C", "Ć" },
+	{ "'E", "É" },
+	{ "'I", "Í" },
+	{ "'O", "Ó" },
+	{ "'U", "Ú" },
+	{ "'Y", "Ý" },
+	{ "'a", "á" },
+	{ "'c", "ć" },
+	{ "'e", "é" },
+	{ "'i", "í" },
+	{ "'o", "ó" },
+	{ "'u", "ú" },
+	{ "'y", "ý" },
+	{ ",C", "Ç" },
+	{ ",c", "ç" },
+	{ "-D", "Ð" },
+	{ ".i", "ı" },
+	{ "/L", "Ł" },
+	{ "/O", "Ø" },
+	{ "/l", "ł" },
+	{ "/o", "ø" },
+	{ ":A", "Ä" },
+	{ ":E", "Ë" },
+	{ ":I", "Ï" },
+	{ ":O", "Ö" },
+	{ ":U", "Ü" },
+	{ ":Y", "Ÿ" },
+	{ ":a", "ä" },
+	{ ":e", "ë" },
+	{ ":i", "ï" },
+	{ ":o", "ö" },
+	{ ":u", "ü" },
+	{ ":y", "ÿ" },
+	{ "AE", "Æ" },
+	{ "Bq", "„" },
+	{ "Fc", "»" },
+	{ "Fi", "ffi" },
+	{ "Fl", "ffl" },
+	{ "Fo", "«" },
+	{ "IJ", "IJ" },
+	{ "OE", "Œ" },
+	{ "Sd", "ð" },
+	{ "TP", "Þ" },
+	{ "Tp", "þ" },
+	{ "^A", "Â" },
+	{ "^E", "Ê" },
+	{ "^I", "Î" },
+	{ "^O", "Ô" },
+	{ "^U", "Û" },
+	{ "^a", "â" },
+	{ "^e", "ê" },
+	{ "^i", "î" },
+	{ "^o", "ô" },
+	{ "^u", "û" },
+	{ "`A", "À" },
+	{ "`E", "È" },
+	{ "`I", "Ì" },
+	{ "`O", "Ò" },
+	{ "`U", "Ù" },
+	{ "`a", "à" },
+	{ "`e", "è" },
+	{ "`i", "ì" },
+	{ "`o", "ò" },
+	{ "`u", "ù" },
+	{ "a\"", "˝" },
+	{ "a-", "¯" },
+	{ "a.", "˙" },
+	{ "a^", "^" },
+	{ "aa", "´" },
+	{ "ab", "˘" },
+	{ "ac", "¸" },
+	{ "ad", "¨" },
+	{ "ae", "æ" },
+	{ "ah", "ˇ" },
+	{ "ao", "˚" },
+	{ "aq", "'" },
+	{ "a~", "~" },
+	{ "bq", "‚" },
+	{ "cq", "’" },
+	{ "dq", "\"" },
+	{ "em", "—" },
+	{ "en", "–" },
+	{ "fc", "›" },
+	{ "ff", "ff" },
+	{ "fi", "fi" },
+	{ "fl", "fl" },
+	{ "fo", "‹" },
+	{ "ga", "`" },
+	{ "ha", "^" },
+	{ "ho", "˛" },
+	{ "hy", "‐" },
+	{ "ij", "ij" },
+	{ "lq", "“" },
+	{ "oA", "Å" },
+	{ "oa", "å" },
+	{ "oe", "œ" },
+	{ "oq", "‘" },
+	{ "r!", "¡" },
+	{ "r?", "¿" },
+	{ "rq", "”" },
+	{ "ss", "ß" },
+	{ "ti", "~" },
+	{ "vS", "Š" },
+	{ "vZ", "Ž" },
+	{ "vs", "š" },
+	{ "vz", "ž" },
+	{ "~A", "Ã" },
+	{ "~N", "Ñ" },
+	{ "~O", "Õ" },
+	{ "~a", "ã" },
+	{ "~n", "ñ" },
+	{ "~o", "õ" }
+};
+
+static const struct macro perldocs[] = {
+	/* It is vital to keep these in strcmp order (sort -t\" -k2)!  They
+	 * will be searched using bsearch.
+	 * Data from Pod/Man.pm.
+	 */
+	{ "--", "-" },
+	{ "Aq", "'" },
+	{ "C'", "'" },
+	{ "C+", "C++" },
+	{ "C`", "`" },
+	{ "L\"", "\"" },
+	{ "PI", "π" },
+	{ "R\"", "\"" }
+};
+
+static void add_str_to_whatis (const char *string, size_t length);
+static void add_char_to_whatis (unsigned char c);
+static void add_separator_to_whatis (void);
+static void add_wordn_to_whatis (const char *string, size_t length);
+static void add_word_to_whatis (const char *string);
+static void add_glyph_to_whatis (const char *string, size_t length);
+static void add_perldoc_to_whatis (const char *string, size_t length);
+static void mdoc_text (const char *string);
+static void newline_found (void);
+
+static char newname[MAX_NAME];
+static char *p_name;
+static const char *fname;
+static char filters[MAX_FILTERS];
+
+static bool fill_mode;
+static bool waiting_for_quote;
+
+static decompress *decomp;
+
+#define YY_INPUT(buf,result,max_size) { \
+	size_t size = max_size; \
+	const char *block = decompress_read (decomp, &size); \
+	if (block && size != 0) { \
+		memcpy (buf, block, size); \
+		buf[size] = '\0'; \
+		result = size; \
+	} else \
+		result = YY_NULL; \
+}
+#define YY_NO_INPUT
+%}
+
+%option ecs meta-ecs
+%option 8bit batch caseful never-interactive
+%option nostdinit
+%option warn
+%option noyywrap nounput
+
+%x MAN_PRENAME
+%x MAN_NAME
+%x MAN_DESC
+%x MAN_DESC_AT
+%x MAN_DESC_BSX
+%x MAN_DESC_BX
+%x MAN_DESC_BX_RELEASE
+%x MAN_DESC_DQ
+%x MAN_DESC_FX
+%x MAN_DESC_NX
+%x MAN_DESC_OX
+%x CAT_NAME
+%x CAT_FILE
+%x MAN_FILE
+%x CAT_REST
+%x MAN_REST
+%x FORCE_EXIT
+
+digit		[[:digit:]]
+upper		[[:upper:]]
+alpha		[[:alpha:]]
+blank		[[:blank:]]
+blank_eol	[[:blank:]\r\n]
+word		[[:alnum:]][^[:blank:]\r\n]*
+eol		\r?\n
+bol		{eol}+
+next		{eol}*
+empty		{eol}{blank}*
+indent		{eol}{blank}+
+dbl_quote	\"
+font_change	\\f([[:upper:]1-4]|\({upper}{2})
+size_change	\\s[+-]?{digit}
+style_change	({font_change}{size_change}?|{size_change}{font_change}?)
+typeface	\.(B[IR]?|I[BR]?|R[BI]|S[BM])
+sec_request	\.[Ss][HhYySs]
+comment		['.]\\{dbl_quote}
+
+ /* Please add to this list if you know how. */
+ /* Note that, since flex only supports UTF-8 by accident, character classes
+  * including non-ASCII characters must be written out as (a|b|c|d) rather
+  * than [abcd].
+  */
+ar_name		(اﻹسم|الإسم)
+ /* ИМЕ also works for mk */
+bg_name		И(М|м)(Е|е)
+cs_name		(J[Mm](É|é|\\\('[Ee]|E|e)[Nn][Oo]|N(Á|á)[Zz][Ee][Vv])
+da_name		N[Aa][Vv][Nn]
+de_name		B[Ee][Zz][Ee][Ii][Cc][Hh][Nn][Uu][Nn][Gg]
+en_name		N[Aa][Mm][Ee]
+eo_name		N[Oo][Mm][Oo]
+es_name		N[Oo][Mm][Bb][Rr][Ee]
+fa_name		نام
+fi_name		N[Ii][Mm][Ii]
+fr_name		N[Oo][Mm]
+hu_name		N(É|é|\\\('[Ee]|E|e)[Vv]
+id_name		N[Aa][Mm][Aa]
+ /* NOME also works for gl, pt */
+it_name		N[Oo][Mm][Ee]
+ja_name		(名|̾)(前|称)
+ko_name		(이름|명칭)
+latin_name	N[Oo][Mm][Ee][Nn]
+lt_name		P[Aa][Vv][Aa][Dd][Ii][Nn][Ii][Mm][Aa][Ss]
+nl_name		N[Aa][Aa][Mm]
+pl_name		N[Aa][Zz][Ww][Aa]
+ro_name		N[Uu][Mm][Ee]
+ru_name         (И(М|м)(Я|я)|Н(А|а)(З|з)(В|в)(А|а)(Н|н)(И|и)(Е|е)|Н(А|а)(И|и)(М|м)(Е|е)(Н|н)(О|о)(В|в)(А|а)(Н|н)(И|и)(Е|е))
+sk_name		M[Ee][Nn][Oo]
+sr_name		(И(М|м)(Е|е)|Н(А|а)(З|з)(И|и)(В|в))
+srlatin_name	(I[Mm][Ee]|N[Aa][Zz][Ii][Vv])
+sv_name		N[Aa][Mm][Nn]
+ta_name		பெய
+tr_name		(A[Dd]|(İ|i)S(İ|i)M)
+uk_name		Н(А|а)(З|з)(В|в)(А|а)
+vi_name		T(Ê|ê)[Nn]
+zh_CN_name	名{blank}?(称|字){blank}?.*
+zh_TW_name	(名{blank}?(稱|字)|命令名){blank}?.*
+name		({ar_name}|{bg_name}|{cs_name}|{da_name}|{de_name}|{en_name}|{eo_name}|{es_name}|{fa_name}|{fi_name}|{fr_name}|{hu_name}|{id_name}|{it_name}|{ja_name}|{ko_name}|{latin_name}|{lt_name}|{nl_name}|{pl_name}|{ro_name}|{ru_name}|{sk_name}|{sr_name}|{srlatin_name}|{sv_name}|{ta_name}|{tr_name}|{uk_name}|{vi_name}|{zh_CN_name}|{zh_TW_name})
+name_sec	{dbl_quote}?{style_change}?{name}{style_change}?({blank}*{dbl_quote})?
+
+ /* eptgrv : eqn, pic, tbl, grap, refer, vgrind */
+tbl_request	\.TS
+eqn_request	\.EQ
+pic_request	\.PS
+grap_request	\.G1
+ref1_request	\.R1
+ref2_request	\.\[
+vgrind_request	\.vS
+
+%%
+
+ /* begin NAME section processing */
+<MAN_FILE>{sec_request}{blank_eol}+{name_sec}{blank}*	BEGIN (MAN_PRENAME);
+<CAT_FILE>{empty}{2,}{name}{blank}*{indent}		BEGIN (CAT_NAME);
+
+ /* general text matching */
+<MAN_FILE>{
+	\.[^Ss\r\n].*				|
+	\..{0,3}{dbl_quote}?.{0,4}{dbl_quote}? 	|
+	{comment}.*				|
+	.|{eol}
+}
+
+<CAT_FILE>{
+	.{1,9}		|
+	[ ]*		|
+	{eol}{2,}	|
+	.|{eol}
+}
+
+<MAN_REST>{
+	{bol}{tbl_request}		filters[TBL_FILTER] = 't';
+	{bol}{eqn_request}		filters[EQN_FILTER] = 'e';
+	{bol}{pic_request}		filters[PIC_FILTER] = 'p';
+	{bol}{grap_request}		filters[GRAP_FILTER] = 'g';
+	{bol}{ref1_request}		|
+	{bol}{ref2_request}		filters[REF_FILTER] = 'r';
+	{bol}{vgrind_request}		filters[VGRIND_FILTER] = 'v';
+}
+<MAN_REST><<EOF>>	{	/* exit */
+	*p_name = '\0'; /* terminate the string */
+	yyterminate ();
+}
+<MAN_REST>.+|{eol}
+
+ /* rules to end NAME section processing */
+<FORCE_EXIT>.|{eol}	{	/* forced exit */
+	*p_name = '\0'; /* terminate the string */
+	yyterminate ();
+}
+
+<MAN_PRENAME>{bol}{sec_request}{blank}*	|
+<MAN_PRENAME><<EOF>>	{	/* no NAME at all */
+	*p_name = '\0';
+	BEGIN (MAN_REST);
+}
+
+ /* need to match whole string so that we beat the following roff catch-all,
+    so use yyless to push back the name */
+<MAN_PRENAME>{
+	{bol}{typeface}{blank}.*	|
+	{bol}\.Tn{blank}.*		|
+	{bol}\.ft{blank}.*		|
+	{bol}\.V[be]{blank}.*		|
+	{bol}\.IX{blank}.*		|
+	{bol}\.Nm{blank}.*		{
+		yyless (0);
+		BEGIN (MAN_NAME);
+	}
+}
+
+ /* Skip over initial roff requests in NAME section. The use of yyless here
+    is evil. */
+<MAN_PRENAME>{bol}['.].*
+
+<MAN_PRENAME>{empty}{eol}		yyless (1);
+
+<MAN_PRENAME>.|{eol}	{
+	yyless (0);
+	BEGIN (MAN_NAME);
+}
+
+<MAN_NAME,MAN_DESC>{
+	{bol}{sec_request}{blank}*	| 	/* Another section */
+	{bol}\.X{upper}{blank}+		|	/* special - hpux */
+	{bol}\.sp{blank}*		|	/* vertical spacing */
+	{bol}\.ig{blank}*		|	/* block comment */
+	{bol}\.de[1i]?{blank}*		|	/* macro definition */
+	{bol}\.i[ef]{blank}*		|	/* conditional */
+	{empty}{bol}.+			|
+	<<EOF>>				{	/* terminate the string */
+		*p_name = '\0';
+		BEGIN (MAN_REST);
+	}
+}
+
+<CAT_NAME>{
+	{bol}S[yYeE]	|
+	{eol}{2,}.+	|
+	{next}__	{	/* terminate the string */
+		*p_name = '\0';
+		BEGIN (CAT_REST);
+		yyterminate ();
+	}
+}
+
+ /* ROFF request removal */
+<MAN_NAME,MAN_DESC>{
+ /* some include quoting; dealing with this is unpleasant */
+	{bol}{typeface}{blank}+\"	{
+		newline_found ();
+		waiting_for_quote = true;
+	}
+
+	{bol}{typeface}{blank}+		|	/* type face commands */
+	{bol}\.Tn{blank}+		|	/* mdoc trade name */
+	{bol}\.ft{blank}.*		|	/* font change */
+	{bol}\.V[be]{blank}.*		|	/* pod2man, verbatim mode */
+	{bol}\.IX{blank}.*		|	/* .IX line */
+	{bol}\.Nm{blank}+		|	/* mdoc name */
+	{bol}\.PD{blank}*		|	/* paragraph spacing */
+	{bol}\\&			|	/* non-breaking space */
+	{next}{comment}.*		{	/* per line comments */
+		newline_found ();
+	}
+}
+
+ /* No-op requests */
+<MAN_NAME,MAN_DESC>{
+	{bol}\.{blank}*$		newline_found ();
+	{bol}\.\.$			newline_found ();
+}
+
+ /* Toggle fill mode */
+<MAN_NAME,MAN_DESC>{
+	{bol}\.nf.*			fill_mode = false;
+	{bol}\.fi.*			fill_mode = true;
+}
+
+<CAT_NAME>-{eol}{blank_eol}*		/* strip continuations */
+
+ /* convert to DASH */
+<MAN_NAME>{
+	{next}{blank}*\\\((mi|hy|em|en){blank}*		|
+	{next}{blank}*\\\[(mi|hy|em|en)\]{blank}*	|
+	{next}{blank_eol}+[-\\]-{blank}*		|
+	{next}{blank_eol}*[-\\]-{blank}+		|
+	{bol}\.Nd{blank}*			{
+		add_separator_to_whatis ();
+		BEGIN (MAN_DESC);
+	}
+}
+<CAT_NAME>{next}{blank}+-{1,2}{blank_eol}+	add_separator_to_whatis ();
+
+ /* escape sequences and special characters */
+<MAN_NAME,MAN_DESC>{
+ 	{next}\\[\\e]			add_char_to_whatis ('\\');
+ 	{next}\\('|\(aa)		add_char_to_whatis ('\'');
+ 	{next}\\(`|\(ga)		add_char_to_whatis ('`');
+	{next}\\(-|\((mi|hy|em|en))	add_char_to_whatis ('-');
+	{next}\\\[(mi|hy|em|en)\]	add_char_to_whatis ('-');
+	{next}\\\.			add_char_to_whatis ('.');
+	{next}((\\[ 0t~])|[ ]|\t)*	add_char_to_whatis (' ');
+	{next}\\\((ru|ul)		add_char_to_whatis ('_');
+	{next}\\\\t			add_char_to_whatis ('\t');
+
+	{next}\\[|^&!%acdpruz{}\r\n]	/* various useless control chars */
+	{next}\\[bhlLvx]{blank}*'[^']+'	/* various inline functions */
+
+	{next}\\\$[1-9]			/* interpolate arg */
+
+	/* roff named glyphs */
+	{next}\\\(..|\\\[..\]		add_glyph_to_whatis (yytext + 2, 2);
+	/* perldoc strings */
+	{next}\\\*\(..|\\\*\[..\]	add_perldoc_to_whatis (yytext + 3, 2);
+	{next}\\\*.			add_perldoc_to_whatis (yytext + 2, 1);
+
+	{next}\\["#].* 			/* comment */
+
+	{next}{font_change}		/* font changes */
+	{next}\\k{alpha}		/* mark input place in register */
+
+	{next}\\n(\({alpha})?{alpha}	/* interpolate number register */
+	{next}\\o\"[^"]+\"		/* overstrike chars */
+
+	{next}{size_change}		/* size changes */
+	{next}\\w{blank}*'[^']+'[^ \t]*	/* width of string */
+
+	{next}\\			/* catch all */
+
+	{next}\(\\\|\){blank}*		/* function() in hpux */
+}
+
+ /* some people rather ambitiously use non-trivial mdoc macros in NAME
+    sections; cope with those that have been seen in the wild, and a few
+    more */
+<MAN_DESC>{
+	{bol}\.At{blank}*		BEGIN (MAN_DESC_AT);
+	{bol}\.Bsx{blank}*		BEGIN (MAN_DESC_BSX);
+	{bol}\.Bx{blank}*		BEGIN (MAN_DESC_BX);
+	{bol}\.Fx{blank}*		BEGIN (MAN_DESC_FX);
+	{bol}\.Nx{blank}*		BEGIN (MAN_DESC_NX);
+	{bol}\.Ox{blank}*		BEGIN (MAN_DESC_OX);
+	{bol}\.Ux{blank}*		add_word_to_whatis ("UNIX");
+
+	{bol}\.Dq{blank}*	{
+		add_word_to_whatis ("\"");
+		BEGIN (MAN_DESC_DQ);
+	}
+}
+
+<MAN_DESC_AT>{
+	32v{blank}*		mdoc_text ("Version 32V AT&T UNIX");
+	v1{blank}*		mdoc_text ("Version 1 AT&T UNIX");
+	v2{blank}*		mdoc_text ("Version 2 AT&T UNIX");
+	v3{blank}*		mdoc_text ("Version 3 AT&T UNIX");
+	v4{blank}*		mdoc_text ("Version 4 AT&T UNIX");
+	v5{blank}*		mdoc_text ("Version 5 AT&T UNIX");
+	v6{blank}*		mdoc_text ("Version 6 AT&T UNIX");
+	v7{blank}*		mdoc_text ("Version 7 AT&T UNIX");
+	V{blank}*		mdoc_text ("AT&T System V UNIX");
+	V.1{blank}*		mdoc_text ("AT&T System V.1 UNIX");
+	V.2{blank}*		mdoc_text ("AT&T System V.2 UNIX");
+	V.3{blank}*		mdoc_text ("AT&T System V.3 UNIX");
+	V.4{blank}*		mdoc_text ("AT&T System V.4 UNIX");
+	.|{eol}		{
+		yyless (0);
+		mdoc_text ("AT&T UNIX");
+	}
+}
+
+<MAN_DESC_BSX>{
+	{word}		{
+		add_word_to_whatis ("BSD/OS");
+		add_wordn_to_whatis (yytext, yyleng);
+		BEGIN (MAN_DESC);
+	}
+	.|{eol}		{
+		yyless (0);
+		mdoc_text ("BSD/OS");
+	}
+}
+
+<MAN_DESC_BX>{
+	-alpha{blank}*		mdoc_text ("BSD (currently in alpha test)");
+	-beta{blank}*		mdoc_text ("BSD (currently in beta test)");
+	-devel{blank}*		mdoc_text ("BSD (currently under development");
+	{word}{blank}*	{
+		add_wordn_to_whatis (yytext, yyleng);
+		add_str_to_whatis ("BSD", 3);
+		BEGIN (MAN_DESC_BX_RELEASE);
+	}
+	.|{eol}		{
+		yyless (0);
+		mdoc_text ("BSD");
+	}
+}
+
+<MAN_DESC_BX_RELEASE>{
+	[Rr]eno{blank}*		{
+		add_str_to_whatis ("-Reno", 5);
+		BEGIN (MAN_DESC);
+	}
+	[Tt]ahoe{blank}*	{
+		add_str_to_whatis ("-Tahoe", 6);
+		BEGIN (MAN_DESC);
+	}
+	[Ll]ite{blank}*		{
+		add_str_to_whatis ("-Lite", 5);
+		BEGIN (MAN_DESC);
+	}
+	[Ll]ite2{blank}*	{
+		add_str_to_whatis ("-Lite2", 6);
+		BEGIN (MAN_DESC);
+	}
+	.|{eol}			{
+		yyless (0);
+		BEGIN (MAN_DESC);
+	}
+}
+
+<MAN_DESC_DQ>.*		{
+	add_str_to_whatis (yytext, yyleng);
+	add_char_to_whatis ('"');
+	BEGIN (MAN_DESC);
+}
+
+<MAN_DESC_FX>{
+	{word}		{
+		add_word_to_whatis ("FreeBSD");
+		add_wordn_to_whatis (yytext, yyleng);
+		BEGIN (MAN_DESC);
+	}
+	.|{eol}		{
+		yyless (0);
+		mdoc_text ("FreeBSD");
+	}
+}
+
+<MAN_DESC_NX>{
+	{word}		{
+		add_word_to_whatis ("NetBSD");
+		add_wordn_to_whatis (yytext, yyleng);
+		BEGIN (MAN_DESC);
+	}
+	.|{eol}		{
+		yyless (0);
+		mdoc_text ("NetBSD");
+	}
+}
+
+<MAN_DESC_OX>{
+	{word}		{
+		add_word_to_whatis ("OpenBSD");
+		add_wordn_to_whatis (yytext, yyleng);
+		BEGIN (MAN_DESC);
+	}
+	.|{eol}		{
+		yyless (0);
+		mdoc_text ("OpenBSD");
+	}
+}
+
+ /* collapse spaces, escaped spaces, tabs, newlines to a single space */
+<CAT_NAME>{next}((\\[ ])|{blank})*	add_char_to_whatis (' ');
+
+ /* a ROFF break request, a paragraph request, or an indentation change
+    usually means we have multiple whatis definitions, provide a separator
+    for later processing */
+<MAN_NAME,MAN_DESC>{
+	{bol}\.br{blank}*		|
+	{bol}\.LP{blank}*		|
+	{bol}\.PP{blank}*		|
+	{bol}\.P{blank}*		|
+	{bol}\.IP{blank}.*		|
+	{bol}\.HP{blank}.*		|
+	{bol}\.RS{blank}.*		|
+	{bol}\.RE{blank}.*		{
+		add_char_to_whatis ((char) 0x11);
+		BEGIN (MAN_NAME);
+	}
+}
+
+ /* any other roff request we don't recognise terminates definitions */
+<MAN_NAME,MAN_DESC>{bol}['.]	{
+	*p_name = '\0';
+	BEGIN (MAN_REST);
+}
+
+ /* pass words as a chunk. speed optimization */
+<MAN_NAME,MAN_DESC>[[:alnum:]]*		add_str_to_whatis (yytext, yyleng);
+
+ /* normalise the comma (,) separators */
+<CAT_NAME>{blank}*,[ \t\r\n]*		|
+<MAN_NAME,MAN_DESC>{blank}*,{blank}*	add_str_to_whatis (", ", 2);
+
+<CAT_NAME,MAN_NAME,MAN_DESC>{bol}.	{
+	newline_found ();
+	add_char_to_whatis (yytext[yyleng - 1]);
+}
+
+<CAT_NAME,MAN_NAME,MAN_DESC>.		add_char_to_whatis (*yytext);
+
+ /* default EOF rule */
+<<EOF>>	return 1;
+
+%%
+
+/* print warning and force scanner to terminate */
+static void too_big (void)
+{
+	/* Even though MAX_NAME is a macro expanding to a constant, we
+	 * translate it using ngettext anyway because that will make it
+	 * easier to change the macro later.
+	 */
+	error (0, 0,
+	       ngettext ("warning: whatis for %s exceeds %d byte, "
+			 "truncating.",
+			 "warning: whatis for %s exceeds %d bytes, "
+			 "truncating.", MAX_NAME),
+	       fname, MAX_NAME);
+
+	BEGIN (FORCE_EXIT);
+}
+
+/* append a string to newname if enough room */
+static void add_str_to_whatis (const char *string, size_t length)
+{
+	if (p_name - newname + length >= MAX_NAME)
+		too_big ();
+	else {
+		(void) strncpy (p_name, string, length);
+		p_name += length;
+	}
+}
+
+/* append a char to newname if enough room */
+static void add_char_to_whatis (unsigned char c)
+{
+	if (p_name - newname + 1 >= MAX_NAME)
+		too_big ();
+	else if (waiting_for_quote && c == '"')
+		waiting_for_quote = false;
+	else
+		*p_name++ = c;
+}
+
+/* append the " - " separator to newname, trimming the first space if one's
+ * already there
+ */
+static void add_separator_to_whatis (void)
+{
+	if (p_name != newname && *(p_name - 1) != ' ')
+		add_char_to_whatis (' ');
+	add_str_to_whatis ("- ", 2);
+}
+
+/* append a word to newname if enough room, ensuring only necessary
+   surrounding space */
+static void add_wordn_to_whatis (const char *string, size_t length)
+{
+	if (p_name != newname && *(p_name - 1) != ' ')
+		add_char_to_whatis (' ');
+	while (length && string[length - 1] == ' ')
+		--length;
+	if (length)
+		add_str_to_whatis (string, length);
+}
+
+static void add_word_to_whatis (const char *string)
+{
+	add_wordn_to_whatis (string, strlen (string));
+}
+
+struct compare_macro_key {
+	const char *string;
+	size_t length;
+};
+
+static int compare_macro (const void *left, const void *right)
+{
+	const struct compare_macro_key *key = left;
+	const struct macro *value = right;
+	int cmp;
+
+	cmp = strncmp (key->string, value->name, key->length);
+	if (cmp)
+		return cmp;
+	/* equal up to key->length, so value->name must be at least size
+	 * key->length + 1
+	 */
+	else if (value->name[key->length])
+		return -1;
+	else
+		return 0;
+}
+
+static void add_macro_to_whatis (const struct macro *macros, size_t n_macros,
+				 const char *string, size_t length)
+{
+	struct compare_macro_key key;
+	const struct macro *macro;
+
+	key.string = string;
+	key.length = length;
+	macro = bsearch (&key, macros, n_macros, sizeof (struct macro),
+			 compare_macro);
+	if (macro)
+		add_str_to_whatis (macro->value, strlen (macro->value));
+}
+
+static void add_glyph_to_whatis (const char *string, size_t length)
+{
+	add_macro_to_whatis (glyphs, ARRAY_SIZE (glyphs), string, length);
+}
+
+static void add_perldoc_to_whatis (const char *string, size_t length)
+{
+	add_macro_to_whatis (perldocs, ARRAY_SIZE (perldocs), string, length);
+}
+
+static void mdoc_text (const char *string)
+{
+	add_word_to_whatis (string);
+	BEGIN (MAN_DESC);
+}
+
+static void newline_found (void)
+{
+	/* If we are mid p_name and the last added char was not a space,
+	 * best add one.
+	 */
+	if (p_name != newname && *(p_name - 1) != ' ') {
+		if (fill_mode)
+			add_char_to_whatis (' ');
+		else {
+			add_char_to_whatis ((char) 0x11);
+			BEGIN (MAN_NAME);
+		}
+	}
+	waiting_for_quote = false;
+}
+
+int find_name (const char *file, const char *filename, lexgrog *p_lg,
+	       const char *encoding)
+{
+	int ret = 0;
+	decompress *d;
+	char *page_encoding = NULL;
+	bool run_col = p_lg->type == CATPAGE && *PROG_COL != '\0';
+
+	if (strcmp (file, "-") == 0) {
+		d = decompress_fdopen (dup (STDIN_FILENO));
+	} else {
+		struct stat st;
+		int decompress_flags;
+		char *lang;
+
+		if (stat (file, &st)) {
+			error (0, errno, "%s", file);
+			return 0;
+		}
+
+		if (S_ISDIR (st.st_mode)) {
+			error (0, EISDIR, "%s", file);
+			return 0;
+		}
+
+		drop_effective_privs ();
+		decompress_flags = 0;
+		/* If we're looking at a cat page, then we need to run col
+		 * over it, which doesn't work conveniently with an
+		 * in-process decompressor.
+		 */
+		if (!run_col)
+			decompress_flags |= DECOMPRESS_ALLOW_INPROCESS;
+		d = decompress_open (file, decompress_flags);
+		if (!d) {
+			error (0, errno, _("can't open %s"), file);
+			regain_effective_privs ();
+			return 0;
+		}
+		regain_effective_privs ();
+
+		if (!encoding) {
+			lang = lang_dir (file);
+			page_encoding = get_page_encoding (lang);
+			free (lang);
+		}
+	}
+	if (!page_encoding && encoding)
+		page_encoding = xstrdup (encoding);
+	if (page_encoding) {
+		if (decompress_is_pipeline (d))
+			add_manconv (decompress_get_pipeline (d),
+				     page_encoding, "UTF-8");
+		else if (manconv_inprocess (d, page_encoding, "UTF-8") != 0)
+			/* manconv should already have written to stderr, so
+			 * just return zero (i.e. no result).
+			 */
+			goto out;
+	}
+	if (run_col) {
+		pipecmd *col_cmd;
+		col_cmd = pipecmd_new_args
+			(PROG_COL, "-b", "-p", "-x", (void *) 0);
+		pipecmd_pre_exec (col_cmd, sandbox_load, sandbox_free,
+				  sandbox);
+		pipeline_command (decompress_get_pipeline (d), col_cmd);
+	}
+	decompress_start (d);
+
+	ret = find_name_decompressed (d, filename, p_lg);
+
+out:
+	free (page_encoding);
+	decompress_free (d);
+	return ret;
+}
+
+int find_name_decompressed (decompress *d, const char *filename, lexgrog *p_lg)
+{
+	int ret;
+
+	decomp = d;
+
+	fname = filename;
+	*(p_name = newname) = '\0';
+	memset (filters, '_', sizeof (filters));
+
+	fill_mode = true;
+	waiting_for_quote = false;
+
+	if (p_lg->type == CATPAGE)
+		BEGIN (CAT_FILE);
+	else
+		BEGIN (MAN_FILE);
+
+	drop_effective_privs ();
+
+	yyrestart (NULL);
+	ret = yylex ();
+
+	regain_effective_privs ();
+
+	decompress_wait (decomp);
+
+	if (ret)
+		return 0;
+	else {
+		char f_tmp[MAX_FILTERS];
+		int j, k;
+
+		/* wipe out any leading or trailing spaces */
+		if (*newname) {
+			for (p_name = strchr (newname, '\0');
+			     *(p_name - 1) == ' ';
+			     p_name--);
+			if (*p_name == ' ')
+				*p_name = '\0';
+		}
+		for (p_name = newname; *p_name == ' '; p_name++);
+		p_lg->whatis = xstrdup (p_name);
+		memset (f_tmp, '\0', MAX_FILTERS);
+		f_tmp[0] = '-';
+		for (j = k = 0; j < MAX_FILTERS; j++)
+			if (filters[j] != '_')
+				f_tmp[k++] = filters[j];
+		p_lg->filters = xstrdup (f_tmp);
+		return p_name[0];
+	}
+}
diff --git a/src/lexgrog_test.c b/src/lexgrog_test.c
new file mode 100644
index 0000000..f5278f3
--- /dev/null
+++ b/src/lexgrog_test.c
@@ -0,0 +1,260 @@
+/*
+ * lexgrog_test.c: test whatis extraction from man/cat pages
+ *
+ * Copyright (C) 1994, 1995 Graeme W. Wilford. (Wilf.)
+ * Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010,
+ *               2011 Colin Watson.
+ *
+ * This file is part of man-db.
+ *
+ * man-db is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * man-db is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with man-db; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+
+#ifdef HAVE_CONFIG_H
+#  include "config.h"
+#endif /* HAVE_CONFIG_H */
+
+#include <stdbool.h>
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+
+#include <sys/stat.h>
+
+#include "argp.h"
+#include "attribute.h"
+#include "error.h"
+#include "gl_list.h"
+#include "progname.h"
+#include "xalloc.h"
+
+#include "gettext.h"
+#define _(String) gettext (String)
+#define N_(String) gettext_noop (String)
+
+#include "manconfig.h"
+
+#include "cleanup.h"
+#include "debug.h"
+#include "glcontainers.h"
+#include "pipeline.h"
+#include "sandbox.h"
+#include "security.h"
+#include "util.h"
+
+#include "convert.h"
+#include "descriptions.h"
+#include "lexgrog.h"
+#include "ult_src.h"
+
+int quiet = 1;
+man_sandbox *sandbox;
+
+static bool parse_man = false, parse_cat = false;
+static bool show_whatis = false, show_filters = false;
+static const char *encoding = NULL;
+static char **files;
+static int num_files;
+
+const char *argp_program_version = "lexgrog " PACKAGE_VERSION;
+const char *argp_program_bug_address = PACKAGE_BUGREPORT;
+error_t argp_err_exit_status = FAIL;
+
+static const char args_doc[] = N_("FILE...");
+static const char doc[] = "\v" N_("The defaults are --man and --whatis.");
+
+static struct argp_option options[] = {
+	OPT ("debug", 'd', 0, N_("emit debugging messages")),
+	OPT ("man", 'm', 0, N_("parse as man page"), 1),
+	OPT ("cat", 'c', 0, N_("parse as cat page")),
+	OPT ("whatis", 'w', 0, N_("show whatis information"), 2),
+	OPT ("filters", 'f', 0,
+	     N_("show guessed series of preprocessing filters")),
+	OPT ("encoding", 'E', N_("ENCODING"),
+	     N_("use selected output encoding"), 3),
+	OPT_HELP_COMPAT,
+	{ 0 }
+};
+
+static error_t parse_opt (int key, char *arg, struct argp_state *state)
+{
+	switch (key) {
+		case 'd':
+			debug_level = true;
+			return 0;
+		case 'm':
+			parse_man = true;
+			return 0;
+		case 'c':
+			parse_cat = true;
+			return 0;
+		case 'w':
+			show_whatis = true;
+			return 0;
+		case 'f':
+			show_filters = true;
+			return 0;
+		case 'E':
+			encoding = arg;
+			return 0;
+		case 'h':
+			argp_state_help (state, state->out_stream,
+					 ARGP_HELP_STD_HELP &
+					 ~ARGP_HELP_PRE_DOC);
+			break;
+		case ARGP_KEY_ARGS:
+			files = state->argv + state->next;
+			num_files = state->argc - state->next;
+			return 0;
+		case ARGP_KEY_NO_ARGS:
+			argp_usage (state);
+			break;
+		case ARGP_KEY_SUCCESS:
+			if (parse_man && parse_cat)
+				/* This slightly odd construction allows us
+				 * to reuse a translation.
+				 */
+				argp_error (state,
+					    _("%s: incompatible options"),
+					    "-m -c");
+			/* defaults: --man, --whatis */
+			if (!parse_man && !parse_cat)
+				parse_man = true;
+			if (!show_whatis && !show_filters)
+				show_whatis = true;
+			return 0;
+	}
+	return ARGP_ERR_UNKNOWN;
+}
+
+static char *help_filter (int key, const char *text, void *input MAYBE_UNUSED)
+{
+	switch (key) {
+		case ARGP_KEY_HELP_PRE_DOC:
+			/* We have no pre-options help text, but the input
+			 * text may contain header junk due to gettext ("").
+			 */
+			return NULL;
+		default:
+			return (char *) text;
+	}
+}
+
+static struct argp argp = { options, parse_opt, args_doc, doc, 0,
+			    help_filter };
+
+int main (int argc, char **argv)
+{
+	int type = MANPAGE;
+	int i;
+	bool some_failed = false;
+
+	set_program_name (argv[0]);
+
+	init_debug ();
+	pipeline_install_post_fork (pop_all_cleanups);
+	sandbox = sandbox_init ();
+	init_locale ();
+
+	if (argp_parse (&argp, argc, argv, 0, 0, 0))
+		exit (FAIL);
+
+	/* We aren't setuid, but this allows generic code in lexgrog.l to
+	 * use drop_effective_privs/regain_effective_privs.
+	 */
+	init_security ();
+
+	if (parse_man)
+		type = MANPAGE;
+	else
+		type = CATPAGE;
+
+	for (i = 0; i < num_files; ++i) {
+		lexgrog lg;
+		const char *file = NULL;
+		bool found = false;
+
+		lg.type = type;
+
+		if (STREQ (files[i], "-"))
+			file = files[i];
+		else {
+			char *path, *pathend;
+			struct stat statbuf;
+			const struct ult_value *ult;
+
+			path = xstrdup (files[i]);
+			pathend = strrchr (path, '/');
+			if (pathend) {
+				*pathend = '\0';
+				pathend = strrchr (path, '/');
+				if (pathend && STRNEQ (pathend + 1, "man", 3))
+					*pathend = '\0';
+				else {
+					free (path);
+					path = NULL;
+				}
+			} else {
+				free (path);
+				path = NULL;
+			}
+
+			ult = ult_src (files[i], path ? path : ".",
+				       &statbuf, SO_LINK);
+			if (ult)
+				file = ult->path;
+			free (path);
+		}
+
+		if (file && find_name (file, "-", &lg, encoding)) {
+			gl_list_t descs = parse_descriptions (NULL, lg.whatis);
+			const struct page_description *desc;
+			GL_LIST_FOREACH (descs, desc) {
+				if (!desc->name || !desc->whatis)
+					continue;
+				found = true;
+				printf ("%s", files[i]);
+				if (show_filters)
+					printf (" (%s)", lg.filters);
+				if (show_whatis) {
+					char *name_conv = convert_to_locale
+						(desc->name);
+					char *whatis_conv = convert_to_locale
+						(desc->whatis);
+					printf (": \"%s - %s\"",
+						name_conv, whatis_conv);
+					free (whatis_conv);
+					free (name_conv);
+				}
+				printf ("\n");
+			}
+			gl_list_free (descs);
+			free (lg.filters);
+			free (lg.whatis);
+		}
+
+		if (!found) {
+			printf ("%s: parse failed\n", files[i]);
+			some_failed = true;
+		}
+	}
+
+	sandbox_free (sandbox);
+
+	if (some_failed)
+		return FATAL;
+	else
+		return OK;
+}
diff --git a/src/man-recode.c b/src/man-recode.c
new file mode 100644
index 0000000..e198d17
--- /dev/null
+++ b/src/man-recode.c
@@ -0,0 +1,296 @@
+/*
+ * man-recode.c: convert manual pages to another encoding
+ *
+ * Copyright (C) 2019 Colin Watson.
+ *
+ * This file is part of man-db.
+ *
+ * man-db is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * man-db is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with man-db; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+
+#ifdef HAVE_CONFIG_H
+#  include "config.h"
+#endif /* HAVE_CONFIG_H */
+
+#include <stdbool.h>
+#include <stdlib.h>
+#include <string.h>
+#include <assert.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+
+#include "argp.h"
+#include "dirname.h"
+#include "error.h"
+#include "gl_array_list.h"
+#include "gl_xlist.h"
+#include "progname.h"
+#include "tempname.h"
+#include "xalloc.h"
+#include "xvasprintf.h"
+
+#include "gettext.h"
+#define _(String) gettext (String)
+#define N_(String) gettext_noop (String)
+
+#include "manconfig.h"
+
+#include "pipeline.h"
+
+#include "cleanup.h"
+#include "compression.h"
+#include "debug.h"
+#include "encodings.h"
+#include "fatal.h"
+#include "glcontainers.h"
+#include "sandbox.h"
+#include "util.h"
+
+#include "decompress.h"
+#include "manconv.h"
+#include "manconv_client.h"
+
+int quiet = 0;
+man_sandbox *sandbox;
+
+static char *to_code;
+static gl_list_t filenames;
+static const char *suffix;
+static bool in_place;
+
+struct try_file_at_args {
+	int dir_fd;
+	int flags;
+};
+
+static int
+try_file_at (char *tmpl, void *flags)
+{
+	struct try_file_at_args *args = flags;
+	return openat (args->dir_fd, tmpl,
+		       (args->flags & ~O_ACCMODE) | O_RDWR | O_CREAT | O_EXCL,
+		       S_IRUSR | S_IWUSR);
+}
+
+static int
+mkstempat (int dir_fd, char *xtemplate)
+{
+	struct try_file_at_args args;
+
+	args.dir_fd = dir_fd;
+	args.flags = 0;
+	return try_tempname (xtemplate, 0, &args, try_file_at);
+}
+
+enum opts {
+	OPT_SUFFIX = 256,
+	OPT_IN_PLACE = 257,
+	OPT_MAX
+};
+
+const char *argp_program_version = "man-recode " PACKAGE_VERSION;
+const char *argp_program_bug_address = PACKAGE_BUGREPORT;
+error_t argp_err_exit_status = FAIL;
+
+static const char args_doc[] =
+	N_("-t CODE {--suffix SUFFIX | --in-place} FILENAME...");
+
+static struct argp_option options[] = {
+	OPT ("to-code", 't', N_("CODE"), N_("encoding for output")),
+	OPT ("suffix", OPT_SUFFIX, N_("SUFFIX"),
+	     N_("suffix to append to output file name")),
+	OPT ("in-place", OPT_IN_PLACE, 0,
+	     N_("overwrite input files in place")),
+	OPT ("debug", 'd', 0, N_("emit debugging messages")),
+	OPT ("quiet", 'q', 0, N_("produce fewer warnings")),
+	OPT_HELP_COMPAT,
+	{ 0 }
+};
+
+static error_t parse_opt (int key, char *arg, struct argp_state *state)
+{
+	switch (key) {
+		case 't':
+			to_code = xstrdup (arg);
+			return 0;
+		case OPT_SUFFIX:
+			suffix = arg;
+			return 0;
+		case OPT_IN_PLACE:
+			in_place = true;
+			return 0;
+		case 'd':
+			debug_level = true;
+			return 0;
+		case 'q':
+			quiet = 1;
+			return 0;
+		case 'h':
+			argp_state_help (state, state->out_stream,
+					 ARGP_HELP_STD_HELP);
+			break;
+		case ARGP_KEY_ARG:
+			gl_list_add_last (filenames, xstrdup (arg));
+			return 0;
+		case ARGP_KEY_NO_ARGS:
+			argp_usage (state);
+			break;
+		case ARGP_KEY_SUCCESS:
+			if (!to_code)
+				argp_error (state,
+					    _("must specify an output "
+					      "encoding"));
+			if (!suffix && !in_place)
+				argp_error (state,
+					    _("must use either --suffix or "
+					      "--in-place"));
+			if (suffix && in_place)
+				argp_error (state,
+					    _("--suffix and --in-place are "
+					      "mutually exclusive"));
+			return 0;
+	}
+	return ARGP_ERR_UNKNOWN;
+}
+
+static struct argp argp = { options, parse_opt, args_doc };
+
+static void recode (const char *filename)
+{
+	decompress *decomp;
+	pipeline *convert, *decomp_p;
+	struct compression *comp;
+	int dir_fd = -1;
+	char *dirname, *basename, *stem, *outfilename;
+	char *page_encoding;
+	int status;
+
+	decomp = decompress_open (filename, 0);
+	if (!decomp)
+		error (FAIL, 0, _("can't open %s"), filename);
+
+	dirname = dir_name (filename);
+	basename = base_name (filename);
+	comp = comp_info (basename, true);
+	if (comp)
+		stem = comp->stem;	/* steal memory */
+	else
+		stem = xstrdup (basename);
+
+	convert = pipeline_new ();
+	if (suffix) {
+		outfilename = xasprintf ("%s/%s%s", dirname, stem, suffix);
+		pipeline_want_outfile (convert, outfilename);
+	} else {
+		int dir_fd_open_flags;
+		char *template_path;
+		int outfd;
+
+		dir_fd_open_flags = O_SEARCH | O_DIRECTORY;
+#ifdef O_PATH
+		dir_fd_open_flags |= O_PATH;
+#endif
+		dir_fd = open (dirname, dir_fd_open_flags);
+		if (dir_fd < 0)
+			fatal (errno, _("can't open %s"), dirname);
+
+		outfilename = xasprintf ("%s.XXXXXX", stem);
+		/* For error messages. */
+		template_path = xasprintf ("%s/%s", dirname, outfilename);
+		outfd = mkstempat (dir_fd, outfilename);
+		if (outfd == -1)
+			fatal (errno,
+			       _("can't open temporary file %s"),
+			       template_path);
+		free (template_path);
+		pipeline_want_out (convert, outfd);
+	}
+
+	decompress_start (decomp);
+	page_encoding = check_preprocessor_encoding (decomp, NULL, NULL);
+	if (!page_encoding) {
+		char *lang = lang_dir (filename);
+		page_encoding = get_page_encoding (lang);
+		free (lang);
+	}
+	debug ("guessed input encoding %s for %s\n", page_encoding, filename);
+	add_manconv (convert, page_encoding, to_code);
+
+	if (!pipeline_get_ncommands (convert))
+		pipeline_command (convert, pipecmd_new_passthrough ());
+
+	decomp_p = decompress_get_pipeline (decomp);
+	pipeline_connect (decomp_p, convert, (void *) 0);
+	pipeline_pump (decomp_p, convert, (void *) 0);
+	pipeline_wait (decomp_p);
+	status = pipeline_wait (convert);
+	if (status != 0)
+		error (CHILD_FAIL, 0, _("command exited with status %d: %s"),
+		       status, pipeline_tostring (convert));
+
+	if (in_place) {
+		assert (dir_fd != -1);
+		if (renameat (dir_fd, outfilename, dir_fd, stem) == -1) {
+			char *outfilepath = xasprintf
+				("%s/%s", dirname, outfilename);
+			unlink (outfilename);
+			fatal (errno, _("can't rename %s to %s"),
+			       outfilepath, filename);
+		}
+		debug ("stem: %s, basename: %s\n", stem, basename);
+		if (!STREQ (stem, basename)) {
+			if (unlinkat (dir_fd, basename, 0) == -1)
+				fatal (errno, _("can't remove %s"), filename);
+		}
+	}
+
+	free (page_encoding);
+	free (outfilename);
+	free (stem);
+	free (basename);
+	free (dirname);
+	if (dir_fd)
+		close (dir_fd);
+	pipeline_free (convert);
+	decompress_free (decomp);
+}
+
+int main (int argc, char *argv[])
+{
+	const char *filename;
+
+	set_program_name (argv[0]);
+
+	init_debug ();
+	pipeline_install_post_fork (pop_all_cleanups);
+	sandbox = sandbox_init ();
+	init_locale ();
+	filenames = new_string_list (GL_ARRAY_LIST, true);
+
+	if (argp_parse (&argp, argc, argv, 0, 0, 0))
+		exit (FAIL);
+
+	GL_LIST_FOREACH (filenames, filename)
+		recode (filename);
+
+	free (to_code);
+
+	gl_list_free (filenames);
+	sandbox_free (sandbox);
+
+	return 0;
+}
diff --git a/src/man.c b/src/man.c
new file mode 100644
index 0000000..5d3be39
--- /dev/null
+++ b/src/man.c
@@ -0,0 +1,4513 @@
+/*
+ * man.c: The manual pager
+ *
+ * Copyright (C) 1990, 1991 John W. Eaton.
+ * Copyright (C) 1994, 1995 Graeme W. Wilford. (Wilf.)
+ * Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010,
+ *               2011, 2012 Colin Watson.
+ *
+ * This file is part of man-db.
+ *
+ * man-db is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * man-db is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with man-db; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ * John W. Eaton
+ * jwe@che.utexas.edu
+ * Department of Chemical Engineering
+ * The University of Texas at Austin
+ * Austin, Texas  78712
+ *
+ * Mostly written/re-written by Wilf, some routines by Markus Armbruster.
+ *
+ * CJW: Various robustness, security, and internationalization fixes.
+ * Improved HTML support (originally written by Fabrizio Polacco).
+ * Rewrite of page location routines for improved maintainability and
+ * accuracy.
+ */
+
+#ifdef HAVE_CONFIG_H
+#  include "config.h"
+#endif /* HAVE_CONFIG_H */
+
+#include <stdbool.h>
+#include <string.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <stdarg.h>
+#include <assert.h>
+#include <errno.h>
+#include <termios.h>
+#include <unistd.h>
+#include <limits.h>
+#include <fcntl.h>
+#include <ctype.h>
+#include <signal.h>
+#include <time.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+
+#include "argp.h"
+#include "attribute.h"
+#include "dirname.h"
+#include "error.h"
+#include "gl_array_list.h"
+#include "gl_hash_map.h"
+#include "gl_hash_set.h"
+#include "gl_list.h"
+#include "gl_xlist.h"
+#include "gl_xmap.h"
+#include "gl_xset.h"
+#include "minmax.h"
+#include "progname.h"
+#include "regex.h"
+#include "stat-time.h"
+#include "utimens.h"
+#include "xalloc.h"
+#include "xgetcwd.h"
+#include "xstdopen.h"
+#include "xstrndup.h"
+#include "xvasprintf.h"
+
+#include "gettext.h"
+#include <locale.h>
+#define _(String) gettext (String)
+#define N_(String) gettext_noop (String)
+
+#include "manconfig.h"
+
+#include "appendstr.h"
+#include "cleanup.h"
+#include "compression.h"
+#include "debug.h"
+#include "fatal.h"
+#include "filenames.h"
+#include "glcontainers.h"
+#include "pipeline.h"
+#include "pathsearch.h"
+#include "linelength.h"
+#include "decompress.h"
+#include "xregcomp.h"
+#include "security.h"
+#include "encodings.h"
+#include "orderfiles.h"
+#include "sandbox.h"
+#include "tempfile.h"
+#include "util.h"
+
+#include "mydbm.h"
+#include "db_storage.h"
+
+#include "globbing.h"
+#include "ult_src.h"
+#include "manp.h"
+#include "zsoelim.h"
+#include "manconv.h"
+#include "manconv_client.h"
+
+#ifdef MAN_OWNER
+extern uid_t ruid;
+extern uid_t euid;
+#endif /* MAN_OWNER */
+
+/* the default preprocessor sequence */
+#ifndef DEFAULT_MANROFFSEQ
+#  define DEFAULT_MANROFFSEQ ""
+#endif
+
+/* placeholder for the manual page name in the less prompt string */
+#define MAN_PN "$MAN_PN"
+
+/* Some systems lack these */
+#ifndef STDIN_FILENO
+#  define STDIN_FILENO 0
+#endif
+#ifndef STDOUT_FILENO
+#  define STDOUT_FILENO 1
+#endif
+#ifndef STDERR_FILENO
+#  define STDERR_FILENO 2
+#endif
+
+char *lang;
+
+/* external formatter programs, one for use without -t, and one with -t */
+#define NFMT_PROG "mandb_nfmt"
+#define TFMT_PROG "mandb_tfmt"
+#undef ALT_EXT_FORMAT	/* allow external formatters located in cat hierarchy */
+
+static bool global_manpath;	/* global or user manual page hierarchy? */
+static bool skip;		/* page exists but has been skipped */
+
+#if defined _AIX || defined __sgi
+char **global_argv;
+#endif
+
+struct candidate {
+	const char *req_name;
+	char from_db;
+	char cat;
+	const char *path;
+	char *ult;
+	struct mandata *source;
+	int add_index; /* for sort stabilisation */
+	struct candidate *next;
+};
+
+#define CANDIDATE_FILESYSTEM 0
+#define CANDIDATE_DATABASE   1
+
+static void gripe_system (pipeline *p, int status)
+{
+	error (CHILD_FAIL, 0, _("command exited with status %d: %s"),
+	       status, pipeline_tostring (p));
+}
+
+enum opts {
+	OPT_WARNINGS = 256,
+	OPT_REGEX,
+	OPT_WILDCARD,
+	OPT_NAMES,
+	OPT_NO_HYPHENATION,
+	OPT_NO_JUSTIFICATION,
+	OPT_NO_SUBPAGES,
+	OPT_MAX
+};
+
+static gl_list_t manpathlist;
+
+/* globals */
+int quiet = 1;
+extern const char *extension; /* for globbing.c */
+extern char *user_config_file;	/* defined in manp.c */
+extern bool disable_cache;
+extern int min_cat_width, max_cat_width, cat_width;
+man_sandbox *sandbox;
+
+/* locals */
+static const char *alt_system_name;
+static gl_list_t section_list;
+static const char *section;
+static char *colon_sep_section_list;
+static const char *preprocessors;
+static const char *pager;
+static const char *locale;
+static char *internal_locale, *multiple_locale;
+static const char *prompt_string;
+static char *less;
+static const char *std_sections[] = STD_SECTIONS;
+static char *manp;
+static const char *external;
+static gl_map_t db_map = NULL;
+
+static bool troff;
+static const char *roff_device = NULL;
+static const char *want_encoding = NULL;
+#ifdef NROFF_WARNINGS
+static const char default_roff_warnings[] = "mac";
+static gl_list_t roff_warnings;
+#endif /* NROFF_WARNINGS */
+static bool global_apropos;
+static bool print_where, print_where_cat;
+static bool catman;
+static bool local_man_file;
+static bool findall;
+static bool update;
+static bool match_case;
+static bool regex_opt;
+static bool wildcard;
+static bool names_only;
+static int ult_flags = SO_LINK | SOFT_LINK | HARD_LINK;
+static const char *recode = NULL;
+static bool no_hyphenation;
+static bool no_justification;
+static bool subpages = true;
+
+static bool ascii;		/* insert tr in the output pipe */
+static bool save_cat; 		/* security breach? Can we save the cat? */
+
+static int first_arg;
+
+#ifdef MAN_CATS
+static char *tmp_cat_file;	/* for open_cat_stream(), close_cat_stream() */
+static bool created_tmp_cat;	/* dto. */
+#endif
+static int tmp_cat_fd;
+static struct timespec man_modtime;	/* modtime of man page, for
+					 * commit_tmp_cat() */
+
+# ifdef TROFF_IS_GROFF
+static bool ditroff;
+static const char *gxditview;
+static bool htmlout;
+static const char *html_pager;
+# endif /* TROFF_IS_GROFF */
+
+const char *argp_program_version = "man " PACKAGE_VERSION;
+const char *argp_program_bug_address = PACKAGE_BUGREPORT;
+error_t argp_err_exit_status = FAIL;
+
+static const char args_doc[] = N_("[SECTION] PAGE...");
+
+# ifdef NROFF_WARNINGS
+#  define ONLY_NROFF_WARNINGS 0
+# else
+#  define ONLY_NROFF_WARNINGS OPTION_HIDDEN
+# endif
+
+# ifdef HAS_TROFF
+#  ifdef TROFF_IS_GROFF
+#   define ONLY_TROFF_IS_GROFF 0
+#  else
+#   define ONLY_TROFF_IS_GROFF OPTION_HIDDEN
+#  endif
+# endif /* HAS_TROFF */
+
+/* Please keep these options in the same order as in parse_opt below. */
+static struct argp_option options[] = {
+	OPT ("config-file", 'C', N_("FILE"),
+	     N_("use this user configuration file")),
+	OPT ("debug", 'd', 0, N_("emit debugging messages")),
+	OPT ("default", 'D', 0,
+	     N_("reset all options to their default values")),
+	OPT_FULL ("warnings", OPT_WARNINGS, N_("WARNINGS"),
+		  ONLY_NROFF_WARNINGS | OPTION_ARG_OPTIONAL,
+		  N_("enable warnings from groff")),
+
+	OPT_GROUP_HEADER (N_("Main modes of operation:"), 10),
+	OPT ("whatis", 'f', 0, N_("equivalent to whatis")),
+	OPT ("apropos", 'k', 0, N_("equivalent to apropos")),
+	OPT ("global-apropos", 'K', 0, N_("search for text in all pages")),
+	OPT ("where", 'w', 0, N_("print physical location of man page(s)")),
+	OPT_ALIAS ("path", 0),
+	OPT_ALIAS ("location", 0),
+	OPT ("where-cat", 'W', 0,
+	     N_("print physical location of cat file(s)")),
+	OPT_ALIAS ("location-cat", 0),
+	OPT ("local-file", 'l', 0,
+	     N_("interpret PAGE argument(s) as local filename(s)")),
+	OPT ("catman", 'c', 0,
+	     N_("used by catman to reformat out of date cat pages"), 11),
+	OPT ("recode", 'R', N_("ENCODING"),
+	     N_("output source page encoded in ENCODING")),
+
+	OPT_GROUP_HEADER (N_("Finding manual pages:"), 20),
+	OPT ("locale", 'L', N_("LOCALE"),
+	     N_("define the locale for this particular man search")),
+	OPT ("systems", 'm', N_("SYSTEM"),
+	     N_("use manual pages from other systems")),
+	OPT ("manpath", 'M', N_("PATH"),
+	     N_("set search path for manual pages to PATH")),
+	OPT ("sections", 'S', N_("LIST"),
+	     N_("use colon separated section list"), 21),
+	OPT_ALIAS (0, 's'),
+	OPT ("extension", 'e', N_("EXTENSION"),
+	     N_("limit search to extension type EXTENSION"), 22),
+	OPT ("ignore-case", 'i', 0,
+	     N_("look for pages case-insensitively (default)"), 23),
+	OPT ("match-case", 'I', 0, N_("look for pages case-sensitively")),
+	OPT ("regex", OPT_REGEX, 0, N_("show all pages matching regex"), 24),
+	OPT ("wildcard", OPT_WILDCARD, 0,
+	     N_("show all pages matching wildcard")),
+	OPT ("names-only", OPT_NAMES, 0,
+	     N_("make --regex and --wildcard match page names only, not "
+		"descriptions"),
+	     25),
+	OPT ("all", 'a', 0, N_("find all matching manual pages"), 26),
+	OPT ("update", 'u', 0, N_("force a cache consistency check")),
+	OPT ("no-subpages", OPT_NO_SUBPAGES, 0,
+	     N_("don't try subpages, e.g. 'man foo bar' => 'man foo-bar'"),
+	     27),
+
+	OPT_GROUP_HEADER (N_("Controlling formatted output:"), 30),
+	OPT ("pager", 'P', N_("PAGER"),
+	     N_("use program PAGER to display output")),
+	OPT ("prompt", 'r', N_("STRING"),
+	     N_("provide the `less' pager with a prompt")),
+	OPT ("ascii", '7', 0,
+	     N_("display ASCII translation of certain latin1 chars"), 31),
+	OPT ("encoding", 'E', N_("ENCODING"),
+	     N_("use selected output encoding")),
+	OPT ("no-hyphenation", OPT_NO_HYPHENATION, 0,
+	     N_("turn off hyphenation")),
+	OPT_ALIAS ("nh", 0),
+	OPT ("no-justification", OPT_NO_JUSTIFICATION, 0,
+	     N_("turn off justification")),
+	OPT_ALIAS ("nj", 0),
+	OPT ("preprocessor", 'p', N_("STRING"),
+	     N_("STRING indicates which preprocessors to run:\n"
+		"e - [n]eqn, p - pic, t - tbl,\n"
+		"g - grap, r - refer, v - vgrind")),
+#ifdef HAS_TROFF
+	OPT ("troff", 't', 0, N_("use %s to format pages"), 32),
+	OPT_FULL ("troff-device", 'T', N_("DEVICE"), OPTION_ARG_OPTIONAL,
+		  N_("use %s with selected device")),
+	OPT_FULL ("html", 'H', N_("BROWSER"),
+		  ONLY_TROFF_IS_GROFF | OPTION_ARG_OPTIONAL,
+		  N_("use %s or BROWSER to display HTML output"), 33),
+	OPT_FULL ("gxditview", 'X', N_("RESOLUTION"),
+		  ONLY_TROFF_IS_GROFF | OPTION_ARG_OPTIONAL,
+		  N_("use groff and display through gxditview (X11):\n"
+		     "-X = -TX75, -X100 = -TX100, -X100-12 = -TX100-12")),
+	OPT_FULL ("ditroff", 'Z', 0, ONLY_TROFF_IS_GROFF,
+		  N_("use groff and force it to produce ditroff")),
+#endif /* HAS_TROFF */
+
+	OPT_HELP_COMPAT,
+	{ 0 }
+};
+
+#ifdef TROFF_IS_GROFF
+static void init_html_pager (void)
+{
+	html_pager = getenv ("BROWSER");
+	if (!html_pager)
+		html_pager = PROG_BROWSER;
+}
+#endif /* TROFF_IS_GROFF */
+
+static error_t parse_opt (int key, char *arg, struct argp_state *state)
+{
+	static bool apropos, whatis; /* retain values between calls */
+
+	/* Please keep these keys in the same order as in options above. */
+	switch (key) {
+		case 'C':
+			user_config_file = arg;
+			return 0;
+		case 'd':
+			debug_level = true;
+			return 0;
+		case 'D':
+			/* discard all preset options */
+			local_man_file = findall = update = catman =
+				debug_level = troff = global_apropos =
+				print_where = print_where_cat =
+				ascii = match_case =
+				regex_opt = wildcard = names_only =
+				no_hyphenation = no_justification = false;
+#ifdef TROFF_IS_GROFF
+			ditroff = false;
+			gxditview = NULL;
+			htmlout = false;
+			init_html_pager ();
+#endif
+			roff_device = want_encoding = extension = pager =
+				locale = alt_system_name = external =
+				preprocessors = NULL;
+			colon_sep_section_list = manp = NULL;
+			return 0;
+
+		case OPT_WARNINGS:
+#ifdef NROFF_WARNINGS
+			{
+				char *s = xstrdup
+					(arg ? arg : default_roff_warnings);
+				const char *warning;
+
+				for (warning = strtok (s, ","); warning;
+				     warning = strtok (NULL, ","))
+					gl_list_add_last (roff_warnings,
+							  xstrdup (warning));
+
+				free (s);
+			}
+#endif /* NROFF_WARNINGS */
+			return 0;
+
+		case 'f':
+			external = WHATIS;
+			whatis = true;
+			return 0;
+		case 'k':
+			external = APROPOS;
+			apropos = true;
+			return 0;
+		case 'K':
+			global_apropos = true;
+			return 0;
+		case 'w':
+			print_where = true;
+			return 0;
+		case 'W':
+			print_where_cat = true;
+			return 0;
+		case 'l':
+			local_man_file = true;
+			return 0;
+		case 'c':
+			catman = true;
+			return 0;
+		case 'R':
+			recode = arg;
+			ult_flags &= ~SO_LINK;
+			return 0;
+
+		case 'L':
+			locale = arg;
+			return 0;
+		case 'm':
+			alt_system_name = arg;
+			return 0;
+		case 'M':
+			manp = arg;
+			return 0;
+		case 'S':
+		case 's':
+			if (*arg)
+				colon_sep_section_list = arg;
+			return 0;
+		case 'e':
+			extension = arg;
+			return 0;
+		case 'i':
+			match_case = false;
+			return 0;
+		case 'I':
+			match_case = true;
+			return 0;
+		case OPT_REGEX:
+			regex_opt = true;
+			findall = true;
+			return 0;
+		case OPT_WILDCARD:
+			wildcard = true;
+			findall = true;
+			return 0;
+		case OPT_NAMES:
+			names_only = true;
+			return 0;
+		case 'a':
+			findall = true;
+			return 0;
+		case 'u':
+			update = true;
+			return 0;
+		case OPT_NO_SUBPAGES:
+			subpages = false;
+			return 0;
+
+		case 'P':
+			pager = arg;
+			return 0;
+		case 'r':
+			prompt_string = arg;
+			return 0;
+		case '7':
+			ascii = true;
+			return 0;
+		case 'E':
+			want_encoding = arg;
+			if (is_roff_device (want_encoding))
+				roff_device = want_encoding;
+			return 0;
+		case OPT_NO_HYPHENATION:
+			no_hyphenation = true;
+			return 0;
+		case OPT_NO_JUSTIFICATION:
+			no_justification = true;
+			return 0;
+		case 'p':
+			preprocessors = arg;
+			return 0;
+#ifdef HAS_TROFF
+		case 't':
+			troff = true;
+			return 0;
+		case 'T':
+			/* Traditional nroff knows -T; troff does not (gets
+			 * ignored). All incarnations of groff know it. Why
+			 * does -T imply -t?
+			 */
+			roff_device = (arg ? arg : "ps");
+			troff = true;
+			return 0;
+		case 'H':
+# ifdef TROFF_IS_GROFF
+			if (arg)
+				html_pager = arg;
+			htmlout = true;
+			troff = true;
+			roff_device = "html";
+# endif /* TROFF_IS_GROFF */
+			return 0;
+		case 'X':
+# ifdef TROFF_IS_GROFF
+			troff = true;
+			gxditview = (arg ? arg : "75");
+# endif /* TROFF_IS_GROFF */
+			return 0;
+		case 'Z':
+# ifdef TROFF_IS_GROFF
+			ditroff = true;
+			troff = true;
+# endif /* TROFF_IS_GROFF */
+			return 0;
+#endif /* HAS_TROFF */
+
+		case 'h':
+			argp_state_help (state, state->out_stream,
+					 ARGP_HELP_STD_HELP);
+			break;
+		case ARGP_KEY_SUCCESS:
+			/* check for incompatible options */
+			if ((int) troff + (int) whatis + (int) apropos +
+			    (int) catman +
+			    (int) (print_where || print_where_cat) > 1) {
+				char *badopts = xasprintf
+					("%s%s%s%s%s%s",
+					 troff ? "-[tTZH] " : "",
+					 whatis ? "-f " : "",
+					 apropos ? "-k " : "",
+					 catman ? "-c " : "",
+					 print_where ? "-w " : "",
+					 print_where_cat ? "-W " : "");
+				argp_error (state,
+					    _("%s: incompatible options"),
+					    badopts);
+			}
+			if ((int) regex_opt + (int) wildcard > 1) {
+				char *badopts = xasprintf
+					("%s%s",
+					 regex_opt ? "--regex " : "",
+					 wildcard ? "--wildcard " : "");
+				argp_error (state,
+					    _("%s: incompatible options"),
+					    badopts);
+			}
+			return 0;
+	}
+	return ARGP_ERR_UNKNOWN;
+}
+
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wformat-nonliteral"
+static char *help_filter (int key, const char *text, void *input MAYBE_UNUSED)
+{
+#ifdef HAS_TROFF
+# ifdef TROFF_IS_GROFF
+	static const char formatter[] = "groff";
+	const char *browser;
+# else
+	static const char formatter[] = "troff";
+# endif /* TROFF_IS_GROFF */
+#endif /* HAS_TROFF */
+
+	switch (key) {
+#ifdef HAS_TROFF
+		case 't':
+		case 'T':
+			return xasprintf (text, formatter);
+# ifdef TROFF_IS_GROFF
+		case 'H':
+			browser = html_pager;
+			assert (browser);
+			if (STRNEQ (browser, "exec ", 5))
+				browser += 5;
+			return xasprintf (text, browser);
+# endif /* TROFF_IS_GROFF */
+#endif /* HAS_TROFF */
+		default:
+			return (char *) text;
+	}
+}
+#pragma GCC diagnostic pop
+
+static struct argp argp = { options, parse_opt, args_doc, 0, 0, help_filter };
+
+/*
+ * changed these messages from stdout to stderr,
+ * (Fabrizio Polacco) Fri, 14 Feb 1997 01:30:07 +0200
+ */
+static void gripe_no_name (const char *sect)
+{
+	if (sect) {
+		fprintf (stderr, _("No manual entry for %s\n"), sect);
+		fprintf (stderr,
+			 _("(Alternatively, what manual page do you want from "
+			   "section %s?)\n"),
+			 sect);
+	} else
+		fputs (_("What manual page do you want?\n"), stderr);
+	fputs (_("For example, try 'man man'.\n"), stderr);
+
+	exit (FAIL);
+}
+
+#ifdef HAVE_TERMIOS_H
+static struct termios tms;
+static int tms_set = 0;
+static pid_t tms_pid = 0;
+
+static void set_term (void)
+{
+	if (tms_set && getpid () == tms_pid)
+		tcsetattr (STDIN_FILENO, TCSANOW, &tms);
+}
+
+static void get_term (void)
+{
+	if (isatty (STDOUT_FILENO)) {
+		debug ("is a tty\n");
+		tcgetattr (STDIN_FILENO, &tms);
+		if (!tms_set++) {
+			/* Work around pipecmd_exec calling exit(3) rather
+			 * than _exit(2), which means our atexit-registered
+			 * functions are called at the end of each child
+			 * process created using pipecmd_new_function and
+			 * friends.  It would probably be good to fix this
+			 * in libpipeline at some point, but it would
+			 * require care to avoid breaking compatibility.
+			 */
+			tms_pid = getpid ();
+			atexit (set_term);
+		}
+	}
+}
+#else /* !HAVE_TERMIOS_H */
+static void get_term (void)
+{
+}
+#endif /* HAVE_TERMIOS_H */
+
+#if defined(TROFF_IS_GROFF) || defined(HEIRLOOM_NROFF)
+static int get_roff_line_length (void)
+{
+	int line_length = cat_width ? cat_width : get_line_length ();
+
+	if (!troff || ditroff) {
+		int length = line_length * 39 / 40;
+		if (length > line_length - 2)
+			return line_length - 2;
+		else
+			return length;
+	} else
+		return 0;
+}
+
+#ifdef HEIRLOOM_NROFF
+static void heirloom_line_length (void *data)
+{
+	printf (".ll %sn\n", (const char *) data);
+	/* TODO: This fails to do anything useful.  Why? */
+	printf (".lt %sn\n", (const char *) data);
+	printf (".lf 1\n");
+}
+#endif /* HEIRLOOM_NROFF */
+
+static pipecmd *add_roff_line_length (pipecmd *cmd, bool *save_cat_p)
+{
+	int length;
+	pipecmd *ret = NULL;
+
+	if (!catman && cat_width)
+		debug ("Cat pages forced to terminal width %d\n", cat_width);
+	else if (!catman) {
+		int line_length = get_line_length ();
+		debug ("Terminal width %d\n", line_length);
+		if (line_length >= min_cat_width &&
+		    line_length <= max_cat_width)
+			debug ("Terminal width %d within cat page range "
+			       "[%d, %d]\n",
+			       line_length, min_cat_width, max_cat_width);
+		else {
+			debug ("Terminal width %d not within cat page range "
+			       "[%d, %d]\n",
+			       line_length, min_cat_width, max_cat_width);
+			*save_cat_p = false;
+		}
+	}
+
+	length = get_roff_line_length ();
+	if (length) {
+#ifdef HEIRLOOM_NROFF
+		char *name;
+		char *lldata;
+		pipecmd *llcmd;
+#endif /* HEIRLOOM_NROFF */
+
+		debug ("Using %d-character lines\n", length);
+#if defined(TROFF_IS_GROFF)
+		pipecmd_argf (cmd, "-rLL=%dn", length);
+		pipecmd_argf (cmd, "-rLT=%dn", length);
+#elif defined(HEIRLOOM_NROFF)
+		name = xasprintf ("echo .ll %dn && echo .lt %dn && echo .lf 1",
+				  length, length);
+		lldata = xasprintf ("%d", length);
+		llcmd = pipecmd_new_function (name, heirloom_line_length, free,
+					      lldata);
+		ret = pipecmd_new_sequence ("line-length", llcmd,
+					    pipecmd_new_passthrough (), NULL);
+		free (name);
+#endif /* HEIRLOOM_NROFF */
+	}
+
+	return ret;
+}
+#endif /* TROFF_IS_GROFF || HEIRLOOM_NROFF */
+
+static void gripe_no_man (const char *name, const char *sec)
+{
+	/* On AIX and IRIX, fall back to the vendor supplied browser. */
+#if defined _AIX || defined __sgi
+	if (!troff) {
+		pipecmd *vendor_man;
+		int i;
+
+		vendor_man = pipecmd_new ("/usr/bin/man");
+		for (i = 1; i < argc; ++i)
+			pipecmd_arg (vendor_man, global_argv[i]);
+		pipecmd_unsetenv (vendor_man, "MANPATH");
+		pipecmd_exec (vendor_man);
+	}
+#endif
+
+	if (sec)
+		fprintf (stderr, _("No manual entry for %s in section %s\n"),
+			 name, sec);
+	else
+		fprintf (stderr, _("No manual entry for %s\n"), name);
+
+#ifdef UNDOC_COMMAND
+	if (getenv ("MAN_TEST_DISABLE_UNDOCUMENTED") == NULL &&
+	    pathsearch_executable (name))
+		fprintf (stderr,
+			 _("See '%s' for help when manual pages are not "
+			   "available.\n"), UNDOC_COMMAND);
+#endif
+}
+
+/* fire up the appropriate external program */
+static void do_extern (int argc, char *argv[])
+{
+	pipeline *p;
+	pipecmd *cmd;
+
+	cmd = pipecmd_new (external);
+	/* Please keep these in the same order as they are in whatis.c. */
+	if (debug_level)
+		pipecmd_arg (cmd, "-d");
+	if (regex_opt)
+		pipecmd_arg (cmd, "-r");
+	if (wildcard)
+		pipecmd_arg (cmd, "-w");
+	if (local_man_file)  /* actually apropos/whatis --long */
+		pipecmd_arg (cmd, "-l");
+	if (colon_sep_section_list)
+		pipecmd_args (cmd, "-s", colon_sep_section_list, (void *) 0);
+	if (alt_system_name)
+		pipecmd_args (cmd, "-m", alt_system_name, (void *) 0);
+	if (manp)
+		pipecmd_args (cmd, "-M", manp, (void *) 0);
+	if (locale)
+		pipecmd_args (cmd, "-L", locale, (void *) 0);
+	if (user_config_file)
+		pipecmd_args (cmd, "-C", user_config_file, (void *) 0);
+	while (first_arg < argc)
+		pipecmd_arg (cmd, argv[first_arg++]);
+	p = pipeline_new_commands (cmd, (void *) 0);
+
+	/* privs are already dropped */
+	exit (pipeline_run (p));
+}
+
+/* lookup $MANOPT and if available, put in *argv[] format for argp */
+static char **manopt_to_env (int *argc)
+{
+	char *manopt, *manopt_copy, *opt_start, **argv;
+
+	manopt = getenv ("MANOPT");
+	if (manopt == NULL || *manopt == '\0')
+		return NULL;
+
+	opt_start = manopt = manopt_copy = xstrdup (manopt);
+
+	/* allocate space for the program name */
+	*argc = 0;
+	argv = XNMALLOC (*argc + 3, char *);
+	argv[(*argc)++] = base_name (program_name);
+
+	/* for each [ \t]+ delimited string, allocate an array space and fill
+	   it in. An escaped space is treated specially */
+	while (*manopt) {
+		switch (*manopt) {
+			case ' ':
+			case '\t':
+				if (manopt != opt_start) {
+					*manopt = '\0';
+					argv = xnrealloc (argv, *argc + 3,
+							  sizeof (char *));
+					argv[(*argc)++] = xstrdup (opt_start);
+				}
+				while (CTYPE (isspace, *(manopt + 1)))
+					*++manopt = '\0';
+				opt_start = manopt + 1;
+				break;
+			case '\\':
+				if (*(manopt + 1) == ' ')
+					manopt++;
+				break;
+			default:
+				break;
+		}
+		manopt++;
+	}
+
+	if (*opt_start)
+		argv[(*argc)++] = xstrdup (opt_start);
+	argv[*argc] = NULL;
+
+	free (manopt_copy);
+	return argv;
+}
+
+/* Return char array with 'less' special chars escaped. Uses static storage. */
+static const char *escape_less (const char *string)
+{
+	static char *escaped_string;
+	char *ptr;
+
+	/* 2*strlen will always be long enough to hold the escaped string */
+	ptr = escaped_string = xrealloc (escaped_string,
+					 2 * strlen (string) + 1);
+
+	while (*string) {
+		char c = *string++;
+
+		if (c == '$')
+			/* Dollar signs are difficult to handle properly, and
+			 * not really worth the trouble, so just replace them
+			 * with question marks.  See
+			 * https://bugs.debian.org/1021951.
+			 */
+			c = '?';
+
+		if (strchr ("?:.%\\", c))
+			*ptr++ = '\\';
+
+		*ptr++ = c;
+	}
+
+	*ptr = *string;
+	return escaped_string;
+}
+
+#if defined(MAN_DB_CREATES) || defined(MAN_DB_UPDATES)
+/* Run mandb to ensure databases are up to date. Only used with -u.
+ * Returns the exit status of mandb.
+ *
+ * If filename is non-NULL, uses mandb's -f option to update a single file.
+ */
+static int run_mandb (bool create, const char *manpath, const char *filename)
+{
+	pipeline *mandb_pl = pipeline_new ();
+	pipecmd *mandb_cmd = pipecmd_new ("mandb");
+
+	if (debug_level)
+		pipecmd_arg (mandb_cmd, "-d");
+	else
+		pipecmd_arg (mandb_cmd, "-q");
+
+	if (user_config_file)
+		pipecmd_args (mandb_cmd, "-C", user_config_file, (void *) 0);
+
+	if (filename)
+		pipecmd_args (mandb_cmd, "-f", filename, (void *) 0);
+	else if (create) {
+		pipecmd_arg (mandb_cmd, "-c");
+		pipecmd_setenv (mandb_cmd, "MAN_MUST_CREATE", "1");
+	} else
+		pipecmd_arg (mandb_cmd, "-p");
+
+	if (manpath)
+		pipecmd_arg (mandb_cmd, manpath);
+
+	pipeline_command (mandb_pl, mandb_cmd);
+
+	if (debug_level) {
+		debug ("running mandb: ");
+		pipeline_dump (mandb_pl, stderr);
+	}
+
+	return pipeline_run (mandb_pl);
+}
+#endif /* MAN_DB_CREATES || MAN_DB_UPDATES */
+
+
+static char *locale_manpath (const char *manpath)
+{
+	char *all_locales;
+	char *new_manpath;
+
+	if (multiple_locale && *multiple_locale) {
+		if (internal_locale && *internal_locale)
+			all_locales = xasprintf ("%s:%s", multiple_locale,
+						 internal_locale);
+		else
+			all_locales = xstrdup (multiple_locale);
+	} else {
+		if (internal_locale && *internal_locale)
+			all_locales = xstrdup (internal_locale);
+		else
+			all_locales = NULL;
+	}
+
+	new_manpath = add_nls_manpaths (manpath, all_locales);
+	free (all_locales);
+
+	return new_manpath;
+}
+
+/*
+ * Check to see if the argument is a valid section number.
+ * If the name matches one of
+ * the sections listed in section_list, we'll assume that it's a section.
+ * The list of sections in config.h simply allows us to specify oddly
+ * named directories like .../man3f.  Yuk.
+ */
+static const char * ATTRIBUTE_PURE is_section (const char *name)
+{
+	const char *vs;
+
+	GL_LIST_FOREACH (section_list, vs) {
+		if (STREQ (vs, name))
+			return name;
+		/* allow e.g. 3perl but disallow 8139too and libfoo */
+		if (strlen (vs) == 1 && CTYPE (isdigit, *vs) &&
+		    strlen (name) > 1 && !CTYPE (isdigit, name[1]) &&
+		    STRNEQ (vs, name, 1))
+			return name;
+	}
+	return NULL;
+}
+
+/* Snarf pre-processors from file, return string or NULL on failure */
+static char *get_preprocessors_from_file (decompress *decomp, int prefixes)
+{
+	const size_t block = 4096;
+	int i;
+	char *line = NULL;
+	size_t previous_len = 0;
+
+	if (!decomp)
+		return NULL;
+
+	/* Prefixes are inserted into the stream by man itself, and we must
+	 * skip over them to find any preprocessors line that exists.  Each
+	 * one ends with an .lf macro.
+	 */
+	for (i = 0; ; ++i) {
+		size_t len = block * (i + 1);
+		const char *buffer, *scan, *end;
+		int j;
+
+		scan = buffer = decompress_peek (decomp, &len);
+		if (!buffer || len == 0)
+			return NULL;
+
+		for (j = 0; j < prefixes; ++j) {
+			scan = memmem (scan, len - (scan - buffer),
+				       "\n.lf ", strlen ("\n.lf "));
+			if (!scan)
+				break;
+			++scan;
+			scan = memchr (scan, '\n', len - (scan - buffer));
+			if (!scan)
+				break;
+			++scan;
+		}
+		if (!scan)
+			continue;
+
+		end = memchr (scan, '\n', len - (scan - buffer));
+		if (!end && len == previous_len)
+			/* end of file, no newline found */
+			end = buffer + len - 1;
+		if (end) {
+			line = xstrndup (scan, end - scan + 1);
+			break;
+		}
+		previous_len = len;
+	}
+	if (!line)
+		return NULL;
+
+	if (!strncmp (line, PP_COOKIE, 4)) {
+		const char *newline = strchr (line, '\n');
+		if (newline)
+			return xstrndup (line + 4, newline - (line + 4));
+		else
+			return xstrdup (line + 4);
+	}
+	return NULL;
+}
+
+
+/* Determine pre-processors, set save_cat and return string */
+static char *get_preprocessors (decompress *decomp, const char *dbfilters,
+				int prefixes)
+{
+	char *pp_string;
+	const char *pp_source;
+	const char *env;
+
+	/* try in order: database, command line, file, environment, default */
+	/* command line overrides the database, but database empty overrides default */
+	if (dbfilters && (dbfilters[0] != '-') && !preprocessors) {
+		pp_string = xstrdup (dbfilters);
+		pp_source = "database";
+		save_cat = true;
+	} else if (preprocessors) {
+		pp_string = xstrdup (preprocessors);
+		pp_source = "command line";
+		save_cat = false;
+	} else if ((pp_string = get_preprocessors_from_file (decomp,
+							     prefixes))) {
+		pp_source = "file";
+		save_cat = true;
+	} else if ((env = getenv ("MANROFFSEQ"))) {
+		pp_string = xstrdup (env);
+		pp_source = "environment";
+		save_cat = false;
+	} else if (!dbfilters) {
+		pp_string = xstrdup (DEFAULT_MANROFFSEQ);
+		pp_source = "default";
+		save_cat = true;
+	} else {
+		pp_string = xstrdup ("");
+		pp_source = "no filters";
+		save_cat = true;
+	}
+
+	debug ("pre-processors `%s' from %s\n", pp_string, pp_source);
+	return pp_string;
+}
+
+static const char *my_locale_charset (void)
+{
+	if (want_encoding && !is_roff_device (want_encoding))
+		return want_encoding;
+	else
+		return get_locale_charset ();
+}
+
+static void add_col (pipeline *p, const char *locale_charset, ...)
+{
+	pipecmd *cmd;
+	va_list argv;
+	char *col_locale = NULL;
+
+	cmd = pipecmd_new (PROG_COL);
+	va_start (argv, locale_charset);
+	pipecmd_argv (cmd, argv);
+	va_end (argv);
+	pipecmd_pre_exec (cmd, sandbox_load, sandbox_free, sandbox);
+
+	if (locale_charset)
+		col_locale = find_charset_locale (locale_charset);
+	if (col_locale) {
+		pipecmd_setenv (cmd, "LC_CTYPE", col_locale);
+		free (col_locale);
+	}
+
+	pipeline_command (p, cmd);
+}
+
+static void add_filter (pipeline *p, pipecmd *cmd,
+			bool wants_dev, bool wants_post)
+{
+	if (wants_dev) {
+		if (roff_device)
+			pipecmd_argf (cmd, "-T%s", roff_device);
+#ifdef TROFF_IS_GROFF
+		else if (gxditview) {
+			pipecmd_argf (cmd, "-TX%s", gxditview);
+			if (strstr (gxditview, "-12"))
+				pipecmd_argf (cmd, "-rS12");
+		}
+#endif /* TROFF_IS_GROFF */
+	}
+
+	if (wants_post) {
+#ifdef TROFF_IS_GROFF
+		if (gxditview)
+			/* -X arranges for the correct options to be passed
+			 * to troff.  Normally it would run gxditview as
+			 * well, but we suppress that with -Z so that we can
+			 * do it ourselves; this lets us set a better window
+			 * title, and means that we don't have to worry
+			 * about sandboxing text processing and an X program
+			 * in the same way.
+			 */
+			pipecmd_args (cmd, "-X", "-Z", (void *) 0);
+#endif /* TROFF_IS_GROFF */
+
+		if (roff_device && STREQ (roff_device, "ps"))
+			/* Tell grops to guess the page size. */
+			pipecmd_arg (cmd, "-P-g");
+	}
+
+	pipecmd_pre_exec (cmd, sandbox_load_permissive, sandbox_free, sandbox);
+	pipeline_command (p, cmd);
+}
+
+/* Return pipeline to format file to stdout. */
+static pipeline *make_roff_command (const char *dir, const char *file,
+				    decompress *decomp, const char *pp_string,
+				    char **result_encoding)
+{
+	const char *roff_opt;
+	char *fmt_prog = NULL;
+	pipeline *p = pipeline_new ();
+	pipecmd *cmd;
+	char *page_encoding = NULL;
+	const char *output_encoding = NULL;
+	const char *locale_charset = NULL;
+
+	*result_encoding = xstrdup ("UTF-8"); /* optimistic default */
+
+	roff_opt = getenv ("MANROFFOPT");
+	if (!roff_opt)
+		roff_opt = "";
+
+	if (dir && !recode) {
+#ifdef ALT_EXT_FORMAT
+		char *catpath = get_catpath
+			(dir, global_manpath ? SYSTEM_CAT : USER_CAT);
+
+		/* If we have an alternate catpath, look for an external
+		 * formatter there.
+		 */
+		if (catpath) {
+			fmt_prog = appendstr (catpath, "/",
+					      troff ? TFMT_PROG : NFMT_PROG,
+					      (void *) 0);
+			if (!CAN_ACCESS (fmt_prog, X_OK)) {
+				free (fmt_prog);
+				fmt_prog = NULL;
+			}
+		}
+#endif /* ALT_EXT_FORMAT */
+
+		/* If the page is in a proper manual page hierarchy (as
+		 * opposed to being read using --local-file or similar),
+		 * look for an external formatter there.
+		 */
+		if (!fmt_prog) {
+			fmt_prog = appendstr (NULL, dir, "/",
+					      troff ? TFMT_PROG : NFMT_PROG,
+					      (void *) 0);
+			if (!CAN_ACCESS (fmt_prog, X_OK)) {
+				free (fmt_prog);
+				fmt_prog = NULL;
+			}
+		}
+	}
+
+	if (fmt_prog)
+		debug ("External formatter %s\n", fmt_prog);
+
+	if (!fmt_prog) {
+		/* we don't have an external formatter script */
+		const char *source_encoding, *roff_encoding;
+		const char *groff_preconv;
+
+		if (!recode) {
+			struct zsoelim_stdin_data *zsoelim_data;
+
+			zsoelim_data = zsoelim_stdin_data_new (dir,
+							       manpathlist);
+			cmd = pipecmd_new_function (ZSOELIM, &zsoelim_stdin,
+						    zsoelim_stdin_data_free,
+						    zsoelim_data);
+			pipecmd_pre_exec (cmd, sandbox_load, sandbox_free,
+					  sandbox);
+			pipeline_command (p, cmd);
+		}
+
+		page_encoding = check_preprocessor_encoding
+			(decomp, NULL, NULL);
+		if (!page_encoding)
+			page_encoding = get_page_encoding (lang);
+		if (page_encoding && !STREQ (page_encoding, "UTF-8"))
+			source_encoding = page_encoding;
+		else
+			source_encoding = get_source_encoding (lang);
+		debug ("page_encoding = %s\n", page_encoding);
+		debug ("source_encoding = %s\n", source_encoding);
+
+		/* Load the roff_device value dependent on the language dir
+		 * in the path.
+		 */
+		if (!troff) {
+#define STRC(s, otherwise) ((s) ? (s) : (otherwise))
+
+			locale_charset = my_locale_charset ();
+			debug ("locale_charset = %s\n",
+			       STRC (locale_charset, "NULL"));
+
+			/* Pick the default device for this locale if there
+			 * wasn't one selected explicitly.
+			 */
+			if (!roff_device) {
+				roff_device =
+					get_default_device (locale_charset,
+							    source_encoding);
+#ifdef HEIRLOOM_NROFF
+				/* In Heirloom, if LC_CTYPE is a UTF-8
+				 * locale, then -Tlocale will be equivalent
+				 * to -Tutf8 except that it will do a
+				 * slightly better job of rendering some
+				 * special characters.
+				 */
+				if (STREQ (roff_device, "utf8")) {
+					const char *real_locale_charset =
+						get_locale_charset ();
+					if (real_locale_charset &&
+					    STREQ (real_locale_charset,
+						   "UTF-8"))
+						roff_device = "locale";
+				}
+#endif /* HEIRLOOM_NROFF */
+				debug ("roff_device (locale) = %s\n",
+				       STRC (roff_device, "NULL"));
+			}
+		}
+
+		roff_encoding = get_roff_encoding (roff_device,
+						   source_encoding);
+		debug ("roff_encoding = %s\n", roff_encoding);
+
+		/* We may need to recode:
+		 *   from page_encoding to roff_encoding on input;
+		 *   from output_encoding to locale_charset on output
+		 *     (if not troff).
+		 * If we have preconv, then use it to recode the
+		 * input to a safe escaped form.
+		 * The --recode option overrides everything else.
+		 */
+		groff_preconv = get_groff_preconv ();
+		if (recode)
+			add_manconv (p, page_encoding, recode);
+		else if (groff_preconv) {
+			pipecmd *preconv_cmd;
+			add_manconv (p, page_encoding, "UTF-8");
+			preconv_cmd = pipecmd_new_args
+				(groff_preconv, "-e", "UTF-8", (void *) 0);
+			pipecmd_pre_exec (preconv_cmd, sandbox_load,
+					  sandbox_free, sandbox);
+			pipeline_command (p, preconv_cmd);
+		} else if (roff_encoding)
+			add_manconv (p, page_encoding, roff_encoding);
+		else
+			add_manconv (p, page_encoding, page_encoding);
+
+		if (!troff && !recode) {
+			output_encoding = get_output_encoding (roff_device);
+			if (!output_encoding)
+				output_encoding = source_encoding;
+			debug ("output_encoding = %s\n", output_encoding);
+			free (*result_encoding);
+			*result_encoding = xstrdup (output_encoding);
+
+			if (!getenv ("LESSCHARSET")) {
+				const char *less_charset =
+					get_less_charset (locale_charset);
+				debug ("less_charset = %s\n", less_charset);
+				setenv ("LESSCHARSET", less_charset, 1);
+			}
+
+			if (!getenv ("JLESSCHARSET")) {
+				const char *jless_charset =
+					get_jless_charset (locale_charset);
+				if (jless_charset) {
+					debug ("jless_charset = %s\n",
+					       jless_charset);
+					setenv ("JLESSCHARSET",
+						jless_charset, 1);
+				}
+			}
+		}
+	}
+
+	if (recode)
+		;
+	else if (!fmt_prog) {
+		char *pp_string_initial;
+		const char *pp;
+#ifndef GNU_NROFF
+		bool using_tbl = false;
+#endif /* GNU_NROFF */
+#ifdef NROFF_WARNINGS
+		const char *warning;
+#endif /* NROFF_WARNINGS */
+
+		/* Add preprocessors.  Per groff(1), grap, chem, and ideal must
+		 * come before pic, and tbl must come before eqn.
+		 */
+		pp_string_initial = xstrndup (pp_string,
+					      strcspn (pp_string, " -"));
+		if (strchr (pp_string_initial, 'r')) {
+			cmd = pipecmd_new_argstr
+				(get_def ("refer", PROG_REFER));
+			add_filter (p, cmd, false, false);
+		}
+		if (strchr (pp_string_initial, 'g')) {
+			cmd = pipecmd_new_argstr (get_def ("grap", PROG_GRAP));
+			add_filter (p, cmd, false, false);
+		}
+		if (strchr (pp_string_initial, 'p')) {
+			cmd = pipecmd_new_argstr (get_def ("pic", PROG_PIC));
+			add_filter (p, cmd, false, false);
+		}
+		if (strchr (pp_string_initial, 't')) {
+			cmd = pipecmd_new_argstr (get_def ("tbl", PROG_TBL));
+			add_filter (p, cmd, false, false);
+#ifndef GNU_NROFF
+			using_tbl = true;
+#endif /* GNU_NROFF */
+		}
+		if (strchr (pp_string_initial, 'e')) {
+			const char *eqn;
+			if (troff)
+				eqn = get_def ("eqn", PROG_EQN);
+			else
+				eqn = get_def ("neqn", PROG_NEQN);
+			cmd = pipecmd_new_argstr (eqn);
+			/* eqn wants device options. */
+			add_filter (p, cmd, true, false);
+		}
+		if (strchr (pp_string_initial, 'v')) {
+			cmd = pipecmd_new_argstr
+				(get_def ("vgrind", PROG_VGRIND));
+			add_filter (p, cmd, false, false);
+		}
+		for (pp = pp_string_initial; *pp; ++pp) {
+			if (!strchr ("rgptev", *pp))
+				error (0, 0,
+				       _("ignoring unknown preprocessor `%c'"),
+				       *pp);
+		}
+		free (pp_string_initial);
+
+		/* Add *roff itself. */
+		if (troff) {
+			cmd = pipecmd_new_argstr
+				(get_def ("troff", PROG_TROFF));
+			save_cat = false;
+		} else
+			cmd = pipecmd_new_argstr
+				(get_def ("nroff", PROG_NROFF));
+
+#ifdef TROFF_IS_GROFF
+		if (troff && ditroff)
+			pipecmd_arg (cmd, "-Z");
+#endif /* TROFF_IS_GROFF */
+
+#if defined(TROFF_IS_GROFF) || defined(HEIRLOOM_NROFF)
+		{
+			pipecmd *seq = add_roff_line_length (cmd, &save_cat);
+			if (seq)
+				pipeline_command (p, seq);
+		}
+#endif /* TROFF_IS_GROFF || HEIRLOOM_NROFF */
+
+#ifdef TROFF_IS_GROFF
+		/* See also display () for the more complex non-groff case. */
+		if (!recode && no_hyphenation)
+			pipecmd_argf (cmd, "-rHY=0");
+#endif /* !TROFF_IS_GROFF */
+
+#ifdef NROFF_WARNINGS
+		GL_LIST_FOREACH (roff_warnings, warning) {
+			if (warning[0] == '!')
+				pipecmd_argf (cmd, "-W%s", warning + 1);
+			else
+				pipecmd_argf (cmd, "-w%s", warning);
+		}
+#endif /* NROFF_WARNINGS */
+
+#ifdef HEIRLOOM_NROFF
+		if (running_setuid ())
+			pipecmd_unsetenv (cmd, "TROFFMACS");
+#endif /* HEIRLOOM_NROFF */
+
+		pipecmd_argstr (cmd, roff_opt);
+
+		/* *roff wants both device and postprocessor arguments. */
+		add_filter (p, cmd, true, true);
+
+		if (!troff && *PROG_COL != '\0') {
+			const char *man_keep_formatting =
+				getenv ("MAN_KEEP_FORMATTING");
+			if ((!man_keep_formatting || !*man_keep_formatting) &&
+			    !isatty (STDOUT_FILENO))
+				/* we'll run col later, but prepare for it */
+				setenv ("GROFF_NO_SGR", "1", 1);
+#ifndef GNU_NROFF
+			/* tbl needs col */
+			else if (using_tbl && !troff && *PROG_COL != '\0')
+				add_col (p, locale_charset, (void *) 0);
+#endif /* GNU_NROFF */
+		}
+	} else {
+		/* use external formatter script, it takes arguments
+		   input file, preprocessor string, and (optional)
+		   output device */
+		cmd = pipecmd_new_args (fmt_prog, file, pp_string, (void *) 0);
+		if (roff_device)
+			pipecmd_arg (cmd, roff_device);
+		pipeline_command (p, cmd);
+	}
+
+	free (fmt_prog);
+	free (page_encoding);
+	return p;
+}
+
+#ifdef TROFF_IS_GROFF
+/* Return pipeline to run a browser on a given file, observing
+ * http://www.tuxedo.org/~esr/BROWSER/.
+ *
+ * (Actually, I really implement
+ * https://www.dwheeler.com/browse/secure_browser.html, but it's
+ * backward-compatible.)
+ *
+ * TODO: Is there any way to use the pipeline library better here?
+ */
+static pipeline *make_browser (const char *pattern, const char *file)
+{
+	pipeline *p;
+	pipecmd *cmd;
+	char *browser = xmalloc (1);
+	bool found_percent_s = false;
+	char *percent;
+	char *esc_file;
+
+	*browser = '\0';
+
+	percent = strchr (pattern, '%');
+	while (percent) {
+		size_t len = strlen (browser);
+		browser = xrealloc (browser, len + 1 + (percent - pattern));
+		strncat (browser, pattern, percent - pattern);
+		switch (*(percent + 1)) {
+			case '\0':
+			case '%':
+				browser = appendstr (browser, "%", (void *) 0);
+				break;
+			case 'c':
+				browser = appendstr (browser, ":", (void *) 0);
+				break;
+			case 's':
+				esc_file = escape_shell (file);
+				browser = appendstr (browser, esc_file,
+						     (void *) 0);
+				free (esc_file);
+				found_percent_s = true;
+				break;
+			default:
+				len = strlen (browser); /* cannot be NULL */
+				browser = xrealloc (browser, len + 3);
+				strncat (browser, percent, 2);
+				break;
+		}
+		if (*(percent + 1))
+			pattern = percent + 2;
+		else
+			pattern = percent + 1;
+		percent = strchr (pattern, '%');
+	}
+	browser = appendstr (browser, pattern, (void *) 0);
+	if (!found_percent_s) {
+		esc_file = escape_shell (file);
+		browser = appendstr (browser, " ", esc_file, (void *) 0);
+		free (esc_file);
+	}
+
+	cmd = pipecmd_new_args ("/bin/sh", "-c", browser, (void *) 0);
+	pipecmd_pre_exec (cmd, drop_privs, NULL, NULL);
+	p = pipeline_new_commands (cmd, (void *) 0);
+	pipeline_ignore_signals (p, 1);
+	free (browser);
+
+	return p;
+}
+#endif /* TROFF_IS_GROFF */
+
+static void setenv_less (pipecmd *cmd, const char *title)
+{
+	const char *esc_title;
+	char *less_opts, *man_pn;
+
+	esc_title = escape_less (title);
+	less_opts = xasprintf (LESS_OPTS, prompt_string, prompt_string);
+	less_opts = appendstr (less_opts, less, (void *) 0);
+	man_pn = strstr (less_opts, MAN_PN);
+	while (man_pn) {
+		char *subst_opts =
+			xmalloc (strlen (less_opts) - strlen (MAN_PN) +
+				 strlen (esc_title) + 1);
+		strncpy (subst_opts, less_opts, man_pn - less_opts);
+		subst_opts[man_pn - less_opts] = '\0';
+		strcat (subst_opts, esc_title);
+		strcat (subst_opts, man_pn + strlen (MAN_PN));
+		free (less_opts);
+		less_opts = subst_opts;
+		man_pn = strstr (less_opts, MAN_PN);
+	}
+
+	debug ("Setting LESS to %s\n", less_opts);
+	pipecmd_setenv (cmd, "LESS", less_opts);
+
+	debug ("Setting MAN_PN to %s\n", esc_title);
+	pipecmd_setenv (cmd, "MAN_PN", esc_title);
+
+	free (less_opts);
+}
+
+static void add_output_iconv (pipeline *p,
+			      const char *source, const char *target)
+{
+	debug ("add_output_iconv: source %s, target %s\n", source, target);
+	if (source && target && !STREQ (source, target)) {
+		char *target_translit = xasprintf ("%s//TRANSLIT", target);
+		pipecmd *iconv_cmd;
+		iconv_cmd = pipecmd_new_args
+			("iconv", "-c", "-f", source, "-t", target_translit,
+			 (void *) 0);
+		pipecmd_pre_exec (iconv_cmd, sandbox_load, sandbox_free,
+				  sandbox);
+		pipeline_command (p, iconv_cmd);
+		free (target_translit);
+	}
+}
+
+/* Pipeline command to squeeze multiple blank lines into one.
+ *
+ */
+static void squeeze_blank_lines (void *data MAYBE_UNUSED)
+{
+	char *line = NULL;
+	size_t len = 0;
+
+	while (getline (&line, &len, stdin) != -1) {
+		bool in_blank_line  = true;
+		bool got_blank_line = false;
+
+		while (in_blank_line) {
+			char *p;
+			for (p = line; *p; ++p) {
+				if (!CTYPE (isspace, *p)) {
+					in_blank_line = false;
+					break;
+				}
+			}
+
+			if (in_blank_line) {
+				got_blank_line = true;
+				free (line);
+				line = NULL;
+				len  = 0;
+				if (getline (&line, &len, stdin) == -1)
+					break;
+			}
+		}
+
+		if (got_blank_line && putchar ('\n') < 0)
+			break;
+
+		if (!in_blank_line && fputs (line, stdout) < 0)
+			break;
+
+		free (line);
+		line = NULL;
+		len  = 0;
+	}
+
+	free (line);
+	return;
+}
+
+/* Return pipeline to display file provided on stdin.
+ *
+ * TODO: htmlout case is pretty weird now. I'd like the intelligence to be
+ * somewhere other than format_display.
+ */
+static pipeline *make_display_command (const char *encoding, const char *title)
+{
+	pipeline *p = pipeline_new ();
+	const char *locale_charset = NULL;
+	pipecmd *pager_cmd = NULL;
+
+	locale_charset = my_locale_charset ();
+
+	if (!troff && (!want_encoding || !is_roff_device (want_encoding)))
+		add_output_iconv (p, encoding, locale_charset);
+
+	if (!troff && *PROG_COL != '\0') {
+		/* get rid of special characters if not writing to a
+		 * terminal
+		 */
+		const char *man_keep_formatting =
+			getenv ("MAN_KEEP_FORMATTING");
+		if ((!man_keep_formatting || !*man_keep_formatting) &&
+		    !isatty (STDOUT_FILENO))
+			add_col (p, locale_charset, "-b", "-p", "-x",
+				 (void *) 0);
+	}
+
+#ifdef TROFF_IS_GROFF
+	if (gxditview) {
+		char *x_resource = xasprintf ("*iconName:%s", title);
+		pipeline_command_args
+			(p, "gxditview",
+			 "-title", title, "-xrm", x_resource, "-",
+			 (void *) 0);
+		free (x_resource);
+		return p;
+	}
+#endif /* TROFF_IS_GROFF */
+
+	/* emulate pager -s, the sed code is just for information */
+	{
+		pipecmd *cmd;
+		const char *name = "sed -e '/^[[:space:]]*$/{ N; /^[[:space:]]*\\n[[:space:]]*$/D; }'";
+		cmd = pipecmd_new_function (name, &squeeze_blank_lines, NULL, NULL);
+		pipeline_command (p, cmd);
+	}
+
+	if (isatty (STDOUT_FILENO)) {
+		if (ascii) {
+			pipecmd *tr_cmd;
+			tr_cmd = pipecmd_new_argstr
+				(get_def_user ("tr", PROG_TR TR_SET1 TR_SET2));
+			pipecmd_pre_exec (tr_cmd, sandbox_load, sandbox_free,
+					  sandbox);
+			pipeline_command (p, tr_cmd);
+			pager_cmd = pipecmd_new_argstr (pager);
+		} else
+#ifdef TROFF_IS_GROFF
+		if (!htmlout)
+			/* format_display deals with html_pager */
+#endif
+			pager_cmd = pipecmd_new_argstr (pager);
+	}
+
+	if (pager_cmd) {
+		setenv_less (pager_cmd, title);
+		pipeline_command (p, pager_cmd);
+	}
+	pipeline_ignore_signals (p, 1);
+
+	if (!pipeline_get_ncommands (p))
+		/* Always return at least a dummy pipeline. */
+		pipeline_command (p, pipecmd_new_passthrough ());
+	return p;
+}
+
+
+/* return a (malloced) temporary name in cat_file's directory */
+static char *tmp_cat_filename (const char *cat_file)
+{
+	char *name;
+
+	if (debug_level) {
+		name = xstrdup ("/dev/null");
+		tmp_cat_fd = open (name, O_WRONLY);
+	} else {
+		char *slash;
+		name = xstrdup (cat_file);
+		slash = strrchr (name, '/');
+		if (slash)
+			*(slash + 1) = '\0';
+		else
+			*name = '\0';
+		name = appendstr (name, "catXXXXXX", (void *) 0);
+		tmp_cat_fd = mkstemp (name);
+	}
+
+	if (tmp_cat_fd == -1) {
+		free (name);
+		return NULL;
+	} else
+		return name;
+}
+
+
+/* If delete unlink tmp_cat, else commit tmp_cat to cat_file.
+   Return non-zero on error.
+ */
+static int commit_tmp_cat (const char *cat_file, const char *tmp_cat,
+			   int delete)
+{
+	int status = 0;
+
+#ifdef MAN_OWNER
+	if (!delete && global_manpath && euid == 0) {
+		if (debug_level) {
+			debug ("fixing temporary cat's ownership\n");
+			status = 0;
+		} else {
+			struct passwd *man_owner = get_man_owner ();
+			status = chown (tmp_cat, man_owner->pw_uid,
+					man_owner->pw_gid);
+			if (status)
+				error (0, errno, _("can't chown %s"), tmp_cat);
+		}
+	}
+#endif /* MAN_OWNER */
+
+	if (!delete && !status) {
+		if (debug_level) {
+			debug ("fixing temporary cat's mode\n");
+			status = 0;
+		} else {
+			status = chmod (tmp_cat, CATMODE);
+			if (status)
+				error (0, errno, _("can't chmod %s"), tmp_cat);
+		}
+	}
+
+	if (!delete && !status) {
+		if (debug_level) {
+			debug ("renaming temporary cat to %s\n", cat_file);
+			status = 0;
+		} else {
+			status = rename (tmp_cat, cat_file);
+			if (status)
+				error (0, errno, _("can't rename %s to %s"),
+				       tmp_cat, cat_file);
+		}
+	}
+
+	if (!delete && !status) {
+		if (debug_level) {
+			debug ("setting modtime on cat file %s\n", cat_file);
+			status = 0;
+		} else {
+			struct timespec times[2];
+
+			times[0].tv_sec = 0;
+			times[0].tv_nsec = UTIME_NOW;
+			times[1] = man_modtime;
+			status = utimens (cat_file, times);
+			if (status)
+				error (0, errno, _("can't set times on %s"),
+				       cat_file);
+		}
+	}
+
+	if (delete || status) {
+		if (debug_level)
+			debug ("unlinking temporary cat\n");
+		else if (unlink (tmp_cat))
+			error (0, errno, _("can't unlink %s"), tmp_cat);
+	}
+
+	return status;
+}
+
+/* TODO: This should all be refactored after work on the decompression
+ * library is complete.
+ */
+static void discard_stderr (pipeline *p)
+{
+	int i;
+
+	for (i = 0; i < pipeline_get_ncommands (p); ++i)
+		pipecmd_discard_err (pipeline_get_command (p, i), 1);
+}
+
+static void maybe_discard_stderr (pipeline *p)
+{
+	const char *man_keep_stderr = getenv ("MAN_KEEP_STDERR");
+	if ((!man_keep_stderr || !*man_keep_stderr) && isatty (STDOUT_FILENO))
+		discard_stderr (p);
+}
+
+static void chdir_commands (pipeline *p, const char *dir)
+{
+	int i;
+
+	for (i = 0; i < pipeline_get_ncommands (p); ++i)
+		pipecmd_chdir (pipeline_get_command (p, i), dir);
+}
+
+static void cleanup_unlink (void *arg)
+{
+	const char *path = arg;
+
+	if (unlink (path))
+		error (0, errno, _("can't unlink %s"), path);
+}
+
+#ifdef MAN_CATS
+
+/* Return pipeline to write formatted manual page to for saving as cat file. */
+static pipeline *open_cat_stream (const char *cat_file, const char *encoding)
+{
+	pipeline *cat_p;
+#  ifdef COMP_CAT
+	pipecmd *comp_cmd;
+#  endif
+
+	created_tmp_cat = false;
+
+	debug ("creating temporary cat for %s\n", cat_file);
+
+	tmp_cat_file = tmp_cat_filename (cat_file);
+	if (tmp_cat_file)
+		created_tmp_cat = true;
+	else {
+		if (!debug_level && (errno == EACCES || errno == EROFS)) {
+			/* No permission to write to the cat file. Oh well,
+			 * return NULL and let the caller sort it out.
+			 */
+			debug ("can't write to temporary cat for %s\n",
+			       cat_file);
+			return NULL;
+		} else
+			fatal (errno,
+			       _("can't create temporary cat for %s"),
+			       cat_file);
+	}
+
+	if (!debug_level)
+		push_cleanup (cleanup_unlink, tmp_cat_file, 1);
+
+	cat_p = pipeline_new ();
+	add_output_iconv (cat_p, encoding, "UTF-8");
+#  ifdef COMP_CAT
+	/* fork the compressor */
+	comp_cmd = pipecmd_new_argstr
+		(get_def ("compressor", PROG_COMPRESSOR));
+	pipecmd_nice (comp_cmd, 10);
+	pipecmd_pre_exec (comp_cmd, sandbox_load, sandbox_free, sandbox);
+	pipeline_command (cat_p, comp_cmd);
+#  endif
+	/* pipeline_start will close tmp_cat_fd */
+	pipeline_want_out (cat_p, tmp_cat_fd);
+
+	return cat_p;
+}
+
+/* Close the cat page stream, return non-zero on error.
+   If delete don't update the cat file.
+ */
+static int close_cat_stream (pipeline *cat_p, const char *cat_file,
+			     int delete)
+{
+	int status;
+
+	status = pipeline_wait (cat_p);
+	debug ("cat-saver exited with status %d\n", status);
+
+	pipeline_free (cat_p);
+
+	if (created_tmp_cat) {
+		status |= commit_tmp_cat (cat_file, tmp_cat_file,
+					  delete || status);
+		if (!debug_level)
+			pop_cleanup (cleanup_unlink, tmp_cat_file);
+	}
+	free (tmp_cat_file);
+	return status;
+}
+
+/*
+ * format a manual page with format_cmd, display it with disp_cmd, and
+ * save it to cat_file
+ */
+static int format_display_and_save (decompress *d,
+				    pipeline *format_cmd,
+				    pipeline *disp_cmd,
+				    const char *cat_file, const char *encoding)
+{
+	pipeline *decomp = decompress_get_pipeline (d);
+	pipeline *sav_p = open_cat_stream (cat_file, encoding);
+	int instat;
+
+	if (global_manpath)
+		drop_effective_privs ();
+
+	maybe_discard_stderr (format_cmd);
+
+	pipeline_connect (decomp, format_cmd, (void *) 0);
+	if (sav_p) {
+		pipeline_connect (format_cmd, disp_cmd, sav_p, (void *) 0);
+		pipeline_pump (decomp, format_cmd, disp_cmd, sav_p,
+			       (void *) 0);
+	} else {
+		pipeline_connect (format_cmd, disp_cmd, (void *) 0);
+		pipeline_pump (decomp, format_cmd, disp_cmd, (void *) 0);
+	}
+
+	if (global_manpath)
+		regain_effective_privs ();
+
+	pipeline_wait (decomp);
+	instat = pipeline_wait (format_cmd);
+	if (sav_p)
+		close_cat_stream (sav_p, cat_file, instat);
+	pipeline_wait (disp_cmd);
+	return instat;
+}
+#endif /* MAN_CATS */
+
+#ifdef TROFF_IS_GROFF
+# define MAN_FILE_UNUSED
+#else /* !TROFF_IS_GROFF */
+# define MAN_FILE_UNUSED MAYBE_UNUSED
+#endif /* TROFF_IS_GROFF */
+
+/* Format a manual page with format_cmd and display it with disp_cmd.
+ * Handle temporary file creation if necessary.
+ * TODO: merge with format_display_and_save
+ */
+static void format_display (decompress *d,
+			    pipeline *format_cmd, pipeline *disp_cmd,
+			    const char *man_file MAN_FILE_UNUSED)
+{
+	pipeline *decomp = decompress_get_pipeline (d);
+	int format_status = 0, disp_status = 0;
+#ifdef TROFF_IS_GROFF
+	char *htmldir = NULL, *htmlfile = NULL;
+#endif /* TROFF_IS_GROFF */
+
+	if (format_cmd)
+		maybe_discard_stderr (format_cmd);
+
+	drop_effective_privs ();
+
+#ifdef TROFF_IS_GROFF
+	if (format_cmd && htmlout) {
+		char *man_base, *man_ext;
+		int htmlfd;
+
+		htmldir = create_tempdir ("hman");
+		if (!htmldir)
+			fatal (errno, _("can't create temporary directory"));
+		chdir_commands (format_cmd, htmldir);
+		chdir_commands (disp_cmd, htmldir);
+		man_base = base_name (man_file);
+		man_ext = strchr (man_base, '.');
+		if (man_ext)
+			*man_ext = '\0';
+		htmlfile = xasprintf ("%s/%s.html", htmldir, man_base);
+		free (man_base);
+		htmlfd = open (htmlfile, O_CREAT | O_EXCL | O_WRONLY, 0644);
+		if (htmlfd == -1)
+			fatal (errno, _("can't open temporary file %s"),
+			       htmlfile);
+		pipeline_want_out (format_cmd, htmlfd);
+		pipeline_connect (decomp, format_cmd, (void *) 0);
+		pipeline_pump (decomp, format_cmd, (void *) 0);
+		pipeline_wait (decomp);
+		format_status = pipeline_wait (format_cmd);
+	} else
+#endif /* TROFF_IS_GROFF */
+	    if (format_cmd) {
+		pipeline_connect (decomp, format_cmd, (void *) 0);
+		pipeline_connect (format_cmd, disp_cmd, (void *) 0);
+		pipeline_pump (decomp, format_cmd, disp_cmd, (void *) 0);
+		pipeline_wait (decomp);
+		format_status = pipeline_wait (format_cmd);
+		disp_status = pipeline_wait (disp_cmd);
+	} else {
+		pipeline_connect (decomp, disp_cmd, (void *) 0);
+		pipeline_pump (decomp, disp_cmd, (void *) 0);
+		pipeline_wait (decomp);
+		disp_status = pipeline_wait (disp_cmd);
+	}
+
+#ifdef TROFF_IS_GROFF
+	if (format_cmd && htmlout) {
+		char *browser_list, *candidate;
+
+		if (format_status) {
+			if (remove_directory (htmldir, false) == -1)
+				error (0, errno,
+				       _("can't remove directory %s"),
+				       htmldir);
+			free (htmlfile);
+			free (htmldir);
+			gripe_system (format_cmd, format_status);
+		}
+
+		browser_list = xstrdup (html_pager);
+		for (candidate = strtok (browser_list, ":"); candidate;
+		     candidate = strtok (NULL, ":")) {
+			pipeline *browser;
+			debug ("Trying browser: %s\n", candidate);
+			browser = make_browser (candidate, htmlfile);
+			disp_status = pipeline_run (browser);
+			if (!disp_status)
+				break;
+		}
+		if (!candidate) {
+			if (html_pager && *html_pager)
+				error (CHILD_FAIL, 0,
+				       "couldn't execute any browser from %s",
+				       html_pager);
+			else
+				error (CHILD_FAIL, 0,
+				       "no browser configured, so cannot show "
+				       "HTML output");
+		} else if (!disp_status)
+			sleep (5);  /* firefox runs into background too fast */
+
+		free (browser_list);
+		if (remove_directory (htmldir, false) == -1)
+			error (0, errno, _("can't remove directory %s"),
+			       htmldir);
+		free (htmlfile);
+		free (htmldir);
+	} else
+#endif /* TROFF_IS_GROFF */
+	{
+		if (format_status && format_status != (SIGPIPE + 0x80) * 256)
+			gripe_system (format_cmd, format_status);
+		if (disp_status && disp_status != (SIGPIPE + 0x80) * 256)
+			gripe_system (disp_cmd, disp_status);
+	}
+
+	regain_effective_privs ();
+}
+
+/* "Display" a page in catman mode, which amounts to saving it. */
+/* TODO: merge with format_display_and_save? */
+static void display_catman (const char *cat_file, decompress *d,
+			    pipeline *format_cmd, const char *encoding)
+{
+	char *tmpcat = tmp_cat_filename (cat_file);
+	pipeline *decomp = decompress_get_pipeline (d);
+#ifdef COMP_CAT
+	pipecmd *comp_cmd;
+#endif /* COMP_CAT */
+	int status;
+
+	add_output_iconv (format_cmd, encoding, "UTF-8");
+
+#ifdef COMP_CAT
+	comp_cmd = pipecmd_new_argstr
+		(get_def ("compressor", PROG_COMPRESSOR));
+	pipecmd_pre_exec (comp_cmd, sandbox_load, sandbox_free, sandbox);
+	pipeline_command (format_cmd, comp_cmd);
+#endif /* COMP_CAT */
+
+	maybe_discard_stderr (format_cmd);
+	pipeline_want_out (format_cmd, tmp_cat_fd);
+
+	push_cleanup (cleanup_unlink, tmpcat, 1);
+
+	/* save the cat as real user
+	 * (1) required for user man hierarchy
+	 * (2) else depending on ruid's privs is ok, effectively disables
+	 *     catman for non-root.
+	 */
+	drop_effective_privs ();
+	pipeline_connect (decomp, format_cmd, (void *) 0);
+	pipeline_pump (decomp, format_cmd, (void *) 0);
+	pipeline_wait (decomp);
+	status = pipeline_wait (format_cmd);
+	regain_effective_privs ();
+	if (status)
+		gripe_system (format_cmd, status);
+
+	close (tmp_cat_fd);
+	commit_tmp_cat (cat_file, tmpcat, status);
+	pop_cleanup (cleanup_unlink, tmpcat);
+	free (tmpcat);
+}
+
+#ifndef TROFF_IS_GROFF
+static void disable_hyphenation (void *data MAYBE_UNUSED)
+{
+	fputs (".nh\n"
+	       ".de hy\n"
+	       "..\n"
+	       ".lf 1\n", stdout);
+}
+#endif /* TROFF_IS_GROFF */
+
+static void disable_justification (void *data MAYBE_UNUSED)
+{
+	fputs (".ie (\\n(.g&((\\n(.x>1):((\\n(.x==1)&(\\n(.y>=23))))"
+	       " .ds AD l\n"
+	       ".el \\{\\\n"
+	       ".  na\n"
+	       ".  de ad\n"
+	       ".  .\n"
+	       ".\\}\n"
+	       ".lf 1\n", stdout);
+}
+
+#ifdef TROFF_IS_GROFF
+static void locale_macros (void *data)
+{
+	const char *macro_lang = data;
+	const char *hyphen_lang = STREQ (lang, "en") ? "us" : macro_lang;
+
+	debug ("Macro language %s; hyphenation language %s\n",
+	       macro_lang, hyphen_lang);
+
+	printf (
+		/* If we're using groff >= 1.20.2 (for the 'file' warning
+		 * category):
+		 */
+		".if \\n[.g] \\{\\\n"
+		".  ds Ystring \\n[.Y]\n"
+		".  while (\\B'\\*[Ystring]' = 0) .chop Ystring\n"
+		".  if ((\\n[.x] > 1) :"
+		" ((\\n[.x] == 1) & (\\n[.y] > 20)) :"
+		" ((\\n[.x] == 1) & (\\n[.y] == 20) & (\\*[Ystring] >= 2))) "
+		"\\{\\\n"
+		/*   disable warnings of category 'file' */
+		".    warn (\\n[.warn] -"
+		" (\\n[.warn] / 1048576 %% 2 * 1048576))\n"
+		/*   and load the appropriate per-locale macros */
+		".    mso %s.tmac\n"
+		".  \\}\n"
+		".  rm Ystring\n"
+		".\\}\n"
+		/* set the hyphenation language anyway, to make sure groff
+		 * only hyphenates languages it knows about
+		 */
+		".hla %s\n"
+		".lf 1\n", macro_lang, hyphen_lang);
+}
+#endif /* TROFF_IS_GROFF */
+
+/* allow user to skip a page or quit after viewing desired page
+   return 1 to skip
+   return 0 to view
+ */
+static int do_prompt (const char *name)
+{
+	int ch;
+	FILE *tty = NULL;
+
+	skip = false;
+	if (!isatty (STDOUT_FILENO) || !isatty (STDIN_FILENO))
+		return 0; /* noninteractive */
+	tty = fopen ("/dev/tty", "r+");
+	if (!tty)
+		return 0;
+
+	fprintf (tty, _(
+		 "--Man-- next: %s "
+		 "[ view (return) | skip (Ctrl-D) | quit (Ctrl-C) ]\n"),
+		 name);
+	fflush (tty);
+
+	do {
+		ch = getc (tty);
+		switch (ch) {
+			case '\n':
+				fclose (tty);
+				return 0;
+			case EOF:
+				skip = true;
+				fclose (tty);
+				return 1;
+			default:
+				break;
+		}
+	} while (1);
+
+	fclose (tty);
+	return 0;
+}
+
+/*
+ * optionally chdir to dir, if necessary update cat_file from man_file
+ * and display it.  if man_file is NULL cat_file is a stray cat.  If
+ * !save_cat or cat_file is NULL we must not save the formatted cat.
+ * If man_file is "" this is a special case -- we expect the man page
+ * on standard input.
+ */
+static int display (const char *dir, const char *man_file,
+		    const char *cat_file, const char *title,
+		    const char *dbfilters)
+{
+	int found;
+	static int prompt;
+	int prefixes = 0;
+	pipeline *format_cmd;	/* command to format man_file to stdout */
+	char *formatted_encoding = NULL;
+	bool display_to_stdout;
+	decompress *decomp = NULL;
+	int decomp_errno = 0;
+
+	/* define format_cmd */
+	if (man_file) {
+		pipecmd *seq = pipecmd_new_sequence ("decompressor",
+						     (void *) 0);
+
+		if (*man_file)
+			decomp = decompress_open (man_file, 0);
+		else
+			decomp = decompress_fdopen (dup (STDIN_FILENO));
+
+#ifndef TROFF_IS_GROFF
+		/* See also make_roff_command () for the simpler groff case. */
+		if (!recode && no_hyphenation) {
+			pipecmd *hcmd = pipecmd_new_function (
+				"echo .nh && echo .de hy && echo .. && "
+				"echo .lf 1",
+				disable_hyphenation, NULL, NULL);
+			pipecmd_sequence_command (seq, hcmd);
+			++prefixes;
+		}
+#endif /* TROFF_IS_GROFF */
+
+		if (!recode && no_justification) {
+			pipecmd *jcmd = pipecmd_new_function (
+#ifdef TROFF_IS_GROFF
+				/* Technically only for groff >= 1.23.0. */
+				"echo .ds AD l && echo .lf 1",
+#else /* !TROFF_IS_GROFF */
+				"echo .na && echo .de ad && echo .. && "
+				"echo .lf 1",
+#endif /* TROFF_IS_GROFF */
+				disable_justification, NULL, NULL);
+			pipecmd_sequence_command (seq, jcmd);
+			++prefixes;
+		}
+
+#ifdef TROFF_IS_GROFF
+		/* This only works with preconv, since the per-locale macros
+		 * may change the assumed input encoding.
+		 */
+		if (!recode && *man_file && get_groff_preconv ()) {
+			char *page_lang = lang_dir (man_file);
+
+			if (page_lang && *page_lang &&
+			    !STREQ (page_lang, "C")) {
+				struct locale_bits bits;
+				char *name;
+				pipecmd *lcmd;
+
+				unpack_locale_bits (page_lang, &bits);
+				name = xasprintf ("echo .mso %s.tmac && "
+						  "echo .lf 1",
+						  bits.language);
+				lcmd = pipecmd_new_function (
+					name, locale_macros, free,
+					xstrdup (bits.language));
+				pipecmd_sequence_command (seq, lcmd);
+				++prefixes;
+				free (name);
+				free_locale_bits (&bits);
+			}
+			free (page_lang);
+		}
+#endif /* TROFF_IS_GROFF */
+
+		if (prefixes) {
+			pipeline *decomp_p = decompress_get_pipeline (decomp);
+
+			assert (pipeline_get_ncommands (decomp_p) <= 1);
+			if (pipeline_get_ncommands (decomp_p)) {
+				pipecmd_sequence_command
+					(seq,
+					 pipeline_get_command (decomp_p, 0));
+				pipeline_set_command (decomp_p, 0, seq);
+			} else {
+				pipecmd_sequence_command
+					(seq, pipecmd_new_passthrough ());
+				pipeline_command (decomp_p, seq);
+			}
+		} else
+			pipecmd_free (seq);
+	}
+
+	if (decomp) {
+		char *pp_string;
+
+		decompress_start (decomp);
+		pp_string = get_preprocessors (decomp, dbfilters, prefixes);
+		format_cmd = make_roff_command (dir, man_file, decomp,
+						pp_string,
+						&formatted_encoding);
+		if (dir)
+			chdir_commands (format_cmd, dir);
+		debug ("formatted_encoding = %s\n", formatted_encoding);
+		free (pp_string);
+	} else {
+		format_cmd = NULL;
+		decomp_errno = errno;
+	}
+
+	/* Get modification time, for commit_tmp_cat(). */
+	if (man_file && *man_file) {
+		struct stat stb;
+		if (stat (man_file, &stb)) {
+			man_modtime.tv_sec = 0;
+			man_modtime.tv_nsec = 0;
+		} else
+			man_modtime = get_stat_mtime (&stb);
+	}
+
+	display_to_stdout = troff;
+#ifdef TROFF_IS_GROFF
+	if (htmlout || gxditview)
+		display_to_stdout = false;
+#endif
+	if (recode)
+		display_to_stdout = true;
+
+	if (display_to_stdout) {
+		/* If we're reading stdin via '-l -', man_file is "". See
+		 * below.
+		 */
+		assert (man_file);
+		if (!decomp) {
+			assert (!format_cmd); /* no need to free it */
+			error (0, decomp_errno, _("can't open %s"), man_file);
+			return 0;
+		}
+		if (*man_file == '\0')
+			found = 1;
+		else
+			found = CAN_ACCESS (man_file, R_OK);
+		if (found) {
+			pipeline *decomp_p = decompress_get_pipeline (decomp);
+			int status;
+			if (prompt && do_prompt (title)) {
+				pipeline_free (format_cmd);
+				decompress_free (decomp);
+				free (formatted_encoding);
+				return 0;
+			}
+			drop_effective_privs ();
+			pipeline_connect (decomp_p, format_cmd, (void *) 0);
+			pipeline_pump (decomp_p, format_cmd, (void *) 0);
+			pipeline_wait (decomp_p);
+			status = pipeline_wait (format_cmd);
+			regain_effective_privs ();
+			if (status != 0)
+				gripe_system (format_cmd, status);
+		}
+	} else {
+		bool format = true;
+		int status;
+
+		/* The caller should already have checked for any
+		 * FSSTND-style (same hierarchy) cat page that may be
+		 * present, and we don't expect to have to update the cat
+		 * page in that case. If by some chance we do have to update
+		 * it, then there's no harm trying; open_cat_stream() will
+		 * refuse gracefully if the file isn't writeable.
+		 */
+
+		/* In theory we might be able to get away with saving cats
+		 * for want_encoding, but it does change the roff device so
+		 * perhaps that's best avoided.
+		 */
+		if (want_encoding
+#ifdef TROFF_IS_GROFF
+		    || htmlout
+		    || gxditview
+#endif
+		    || local_man_file
+		    || recode
+		    || disable_cache
+		    || no_hyphenation
+		    || no_justification)
+			save_cat = false;
+
+		if (!man_file) {
+			/* Stray cat. */
+			assert (cat_file);
+			format = false;
+		} else if (!cat_file) {
+			assert (man_file);
+			save_cat = false;
+			format = true;
+		} else if (format && save_cat) {
+			char *cat_dir;
+			char *tmp;
+
+			status = is_changed (man_file, cat_file);
+			format = (status == -2) || ((status & 1) == 1);
+
+			/* don't save if we haven't a cat directory */
+			cat_dir = xstrdup (cat_file);
+			tmp = strrchr (cat_dir, '/');
+			if (tmp)
+				*tmp = 0;
+			save_cat = is_directory (cat_dir) == 1;
+			if (!save_cat)
+				debug ("cat dir %s does not exist\n", cat_dir);
+			free (cat_dir);
+		}
+
+		if (format && (!format_cmd || !decomp)) {
+			assert (man_file);
+			/* format_cmd is NULL iff decomp is NULL; no need to
+			 * free either of them.
+			 */
+			assert (!format_cmd);
+			assert (!decomp);
+			error (0, decomp_errno, _("can't open %s"), man_file);
+			return 0;
+		}
+
+		/* if we're trying to read stdin via '-l -' then man_file
+		 * will be "" which access() obviously barfs on, but all is
+		 * well because the format_cmd will have been created to
+		 * expect input via stdin. So we special-case this to avoid
+		 * the bogus access() check.
+		*/
+		if (format && *man_file == '\0')
+			found = 1;
+		else
+			found = CAN_ACCESS
+				(format ? man_file : cat_file, R_OK);
+
+		debug ("format: %d, save_cat: %d, found: %d\n",
+		       (int) format, (int) save_cat, found);
+
+		if (!found) {
+			pipeline_free (format_cmd);
+			decompress_free (decomp);
+			return found;
+		}
+
+		if (print_where || print_where_cat) {
+			bool printed = false;
+			if (print_where && man_file) {
+				printf ("%s", man_file);
+				printed = true;
+			}
+			if (print_where_cat && cat_file && !format) {
+				if (printed)
+					putchar (' ');
+				printf ("%s", cat_file);
+				printed = true;
+			}
+			if (printed)
+				putchar ('\n');
+		} else if (catman) {
+			if (format) {
+				if (!save_cat)
+					error (0, 0,
+					       _("\ncannot write to "
+						 "%s in catman mode"),
+					       cat_file);
+				else
+					display_catman (cat_file, decomp,
+							format_cmd,
+							formatted_encoding);
+			}
+		} else if (format) {
+			/* no cat or out of date */
+			pipeline *disp_cmd;
+
+			if (prompt && do_prompt (title)) {
+				pipeline_free (format_cmd);
+				decompress_free (decomp);
+				free (formatted_encoding);
+				if (local_man_file)
+					return 1;
+				else
+					return 0;
+			}
+
+			disp_cmd = make_display_command (formatted_encoding,
+							 title);
+
+#ifdef MAN_CATS
+			if (save_cat) {
+				/* save cat */
+				assert (disp_cmd); /* not htmlout for now */
+				format_display_and_save (decomp,
+							 format_cmd,
+							 disp_cmd,
+							 cat_file,
+							 formatted_encoding);
+			} else
+#endif /* MAN_CATS */
+				/* don't save cat */
+				format_display (decomp, format_cmd, disp_cmd,
+						man_file);
+
+			pipeline_free (disp_cmd);
+
+		} else {
+			/* display preformatted cat */
+			pipeline *disp_cmd;
+			decompress *decomp_cat;
+
+			if (prompt && do_prompt (title)) {
+				pipeline_free (format_cmd);
+				decompress_free (decomp);
+				return 0;
+			}
+
+			decomp_cat = decompress_open (cat_file, 0);
+			if (!decomp_cat) {
+				error (0, errno, _("can't open %s"), cat_file);
+				pipeline_free (format_cmd);
+				decompress_free (decomp);
+				return 0;
+			}
+			disp_cmd = make_display_command ("UTF-8", title);
+			format_display (decomp_cat, NULL, disp_cmd, man_file);
+			pipeline_free (disp_cmd);
+			decompress_free (decomp_cat);
+		}
+	}
+
+	free (formatted_encoding);
+
+	pipeline_free (format_cmd);
+	decompress_free (decomp);
+
+	if (!prompt)
+		prompt = found;
+
+	return found;
+}
+
+static _Noreturn void gripe_converting_name (const char *name)
+{
+	fatal (0, _("Can't convert %s to cat name"), name);
+}
+
+/* Convert the trailing part of 'name' to be a cat page path by altering its
+ * extension appropriately. If fsstnd is set, also try converting the
+ * containing directory name from "man1" to "cat1" etc., returning NULL if
+ * that doesn't work.
+ *
+ * fsstnd should only be set if name is the original path of a man page
+ * found in a man hierarchy, not something like a symlink target or a file
+ * named with 'man -l'. Otherwise, a symlink to "/home/manuel/foo.1.gz"
+ * would be converted to "/home/catuel/foo.1.gz", which would be bad.
+ */
+static char *convert_name (const char *name, bool fsstnd)
+{
+	char *to_name, *t1 = NULL;
+	char *t2 = NULL;
+	struct compression *comp;
+	char *namestem;
+
+	comp = comp_info (name, true);
+	if (comp)
+		namestem = comp->stem;
+	else
+		namestem = xstrdup (name);
+
+#ifdef COMP_CAT
+	/* TODO: BSD layout requires .0. */
+	to_name = xasprintf ("%s.%s", namestem, COMPRESS_EXT);
+#else /* !COMP_CAT */
+	to_name = xstrdup (namestem);
+#endif /* COMP_CAT */
+	free (namestem);
+
+	if (fsstnd) {
+		t1 = strrchr (to_name, '/');
+		if (!t1)
+			gripe_converting_name (name);
+		*t1 = '\0';
+
+		t2 = strrchr (to_name, '/');
+		if (!t2)
+			gripe_converting_name (name);
+		++t2;
+		*t1 = '/';
+
+		if (STRNEQ (t2, "man", 3)) {
+			/* If the second-last component starts with "man",
+			 * replace "man" with "cat".
+			 */
+			*t2 = 'c';
+			*(t2 + 2) = 't';
+		} else {
+			free (to_name);
+			debug ("couldn't convert %s to FSSTND cat file\n",
+			       name);
+			return NULL;
+		}
+	}
+
+	debug ("converted %s to %s\n", name, to_name);
+
+	return to_name;
+}
+
+static char *find_cat_file (const char *path, const char *original,
+			    const char *man_file)
+{
+	size_t path_len = strlen (path);
+	char *cat_file, *cat_path;
+	int status;
+
+	/* Try the FSSTND way first, namely a cat page in the same hierarchy
+	 * as the original path to the man page. We don't create these
+	 * unless no alternate cat hierarchy is available, but will use them
+	 * if they happen to exist already and have the same timestamp as
+	 * the corresponding man page. (In practice I'm betting that this
+	 * means we'll hardly ever use them at all except for user
+	 * hierarchies; but compatibility, eh?)
+	 */
+	cat_file = convert_name (original, true);
+	if (cat_file) {
+		status = is_changed (original, cat_file);
+		if (status != -2 && (!(status & 1)) == 1) {
+			debug ("found valid FSSTND cat file %s\n", cat_file);
+			return cat_file;
+		}
+		free (cat_file);
+	}
+
+	/* Otherwise, find the cat page we actually want to use or create,
+	 * taking any alternate cat hierarchy into account. If the original
+	 * path and man_file differ (i.e. original was a symlink or .so
+	 * link), try the link target and then the source.
+	 */
+	if (!STREQ (man_file, original)) {
+		global_manpath = is_global_mandir (man_file);
+		cat_path = get_catpath
+			(man_file, global_manpath ? SYSTEM_CAT : USER_CAT);
+
+		if (cat_path) {
+			cat_file = convert_name (cat_path, false);
+			free (cat_path);
+		} else if (STRNEQ (man_file, path, path_len) &&
+			   man_file[path_len] == '/')
+			cat_file = convert_name (man_file, true);
+		else
+			cat_file = NULL;
+
+		if (cat_file) {
+			char *cat_dir = xstrdup (cat_file);
+			char *tmp = strrchr (cat_dir, '/');
+			if (tmp)
+				*tmp = 0;
+			if (is_directory (cat_dir)) {
+				debug ("will try cat file %s\n", cat_file);
+				free (cat_dir);
+				return cat_file;
+			} else
+				debug ("cat dir %s does not exist\n", cat_dir);
+			free (cat_dir);
+		} else
+			debug ("no cat path for %s\n", man_file);
+	}
+
+	global_manpath = is_global_mandir (original);
+	cat_path = get_catpath
+		(original, global_manpath ? SYSTEM_CAT : USER_CAT);
+
+	if (cat_path) {
+		cat_file = convert_name (cat_path, false);
+		free (cat_path);
+	} else
+		cat_file = convert_name (original, true);
+
+	if (cat_file)
+		debug ("will try cat file %s\n", cat_file);
+	else
+		debug ("no cat path for %s\n", original);
+
+	return cat_file;
+}
+
+static int get_ult_flags (char from_db, char id)
+{
+	if (!from_db)
+		return ult_flags;
+	else if (id == ULT_MAN)
+		/* Checking .so links is expensive, as we have to open the
+		 * file. Therefore, if the database lists it as ULT_MAN,
+		 * that's good enough for us and we won't recheck that. This
+		 * does mean that if a page changes from ULT_MAN to SO_MAN
+		 * then you might get duplicates until mandb is next run,
+		 * but that isn't a big deal.
+		 */
+		return ult_flags & ~SO_LINK;
+	else
+		return ult_flags;
+}
+
+/* Is this candidate substantially a duplicate of a previous one?
+ * Returns true if so, otherwise false.
+ */
+static bool duplicate_candidates (struct candidate *left,
+				  struct candidate *right)
+{
+	const char *slash1, *slash2;
+	struct locale_bits bits1, bits2;
+	bool ret;
+
+	if (left->ult && right->ult && STREQ (left->ult, right->ult))
+		return true; /* same ultimate source file */
+
+	if (!STREQ (left->source->name, right->source->name) ||
+	    !STREQ (left->source->sec, right->source->sec) ||
+	    !STREQ (left->source->ext, right->source->ext))
+		return false; /* different name/section/extension */
+
+	if (STREQ (left->path, right->path))
+		return true; /* same path */
+
+	/* Figure out if we've had a sufficiently similar candidate for this
+	 * language already.
+	 */
+	slash1 = strrchr (left->path, '/');
+	slash2 = strrchr (right->path, '/');
+	if (!slash1 || !slash2 ||
+	    !STRNEQ (left->path, right->path,
+		     MAX (slash1 - left->path, slash2 - right->path)))
+		return false; /* different path base */
+
+	unpack_locale_bits (++slash1, &bits1);
+	unpack_locale_bits (++slash2, &bits2);
+
+	if (!STREQ (bits1.language, bits2.language) ||
+	    !STREQ (bits1.territory, bits2.territory) ||
+	    !STREQ (bits1.modifier, bits2.modifier))
+		ret = false; /* different language/territory/modifier */
+	else
+		/* Everything seems to be the same; we can find nothing to
+		 * choose between them.
+		 */
+		ret = true;
+
+	free_locale_bits (&bits1);
+	free_locale_bits (&bits2);
+	return ret;
+}
+
+/* Return zero if the candidates are in different base paths or if both
+ * candidates or neither are in OVERRIDE_DIR relative to their base path;
+ * negative if left is in OVERRIDE_DIR and right is not; or positive if
+ * right is in OVERRIDE_DIR and left is not.
+ */
+static int compare_override_dir (const struct candidate *left,
+				 const struct candidate *right)
+{
+	size_t left_len, right_len;
+
+	if (!*OVERRIDE_DIR)
+		return 0;
+
+	left_len = strlen (left->path);
+	right_len = strlen (right->path);
+	if (left_len == right_len ||
+	    !STRNEQ (left->path, right->path, MIN (left_len, right_len)))
+		return 0;
+
+	if (left_len > right_len) {
+		if (left->path[right_len] == '/' &&
+		    STREQ (left->path + right_len + 1, OVERRIDE_DIR))
+			return -1;
+	} else {
+		if (right->path[left_len] == '/' &&
+		    STREQ (right->path + left_len + 1, OVERRIDE_DIR))
+			return 1;
+	}
+
+	return 0;
+}
+
+static int compare_candidates (const struct candidate *left,
+			       const struct candidate *right)
+{
+	const struct mandata *lsource = left->source, *rsource = right->source;
+	int cmp;
+	const char *slash1, *slash2;
+
+	/* If one candidate matches the requested name exactly, sort it
+	 * first. This makes --ignore-case behave more sensibly.
+	 */
+	/* name is never NULL here, see add_candidate() */
+	if (STREQ (lsource->name, left->req_name)) {
+		if (!STREQ (rsource->name, right->req_name))
+			return -1;
+	} else {
+		if (STREQ (rsource->name, right->req_name))
+			return 1;
+	}
+
+	/* ULT_MAN comes first, etc.  Consider SO_MAN equivalent to ULT_MAN.
+	 * This has the effect of sorting mere whatis references below real
+	 * pages.
+	 */
+	cmp = compare_ids (lsource->id, rsource->id, true);
+	if (cmp)
+		return cmp;
+
+	/* Compare pure sections first, then extensions.
+	 *
+	 * Any extension spelt out in full in section_list effectively
+	 * becomes a pure section; this allows extensions to be selectively
+	 * moved out of order with respect to their parent sections.
+	 */
+	if (strcmp (lsource->ext, rsource->ext)) {
+		size_t index_left, index_right;
+
+		/* If the user asked for an explicit section, sort exact
+		 * matches first.
+		 */
+		if (section) {
+			if (STREQ (lsource->ext, section)) {
+				if (!STREQ (rsource->ext, section))
+					return -1;
+			} else {
+				if (STREQ (rsource->ext, section))
+					return 1;
+			}
+		}
+
+		/* Find out whether lsource->ext is ahead of rsource->ext in
+		 * section_list.  Sections missing from section_list are
+		 * sorted to the end.
+		 */
+		index_left = gl_list_indexof (section_list, lsource->ext);
+		if (index_left == (size_t) -1 && strlen (lsource->ext) > 1) {
+			char *sec_left = xstrndup (lsource->ext, 1);
+			index_left = gl_list_indexof (section_list, sec_left);
+			free (sec_left);
+			if (index_left == (size_t) -1)
+				index_left = gl_list_size (section_list);
+		}
+		index_right = gl_list_indexof (section_list, rsource->ext);
+		if (index_right == (size_t) -1 && strlen (rsource->ext) > 1) {
+			char *sec_right = xstrndup (rsource->ext, 1);
+			index_right = gl_list_indexof (section_list,
+						       sec_right);
+			free (sec_right);
+			if (index_right == (size_t) -1)
+				index_right = gl_list_size (section_list);
+		}
+		if (index_left < index_right)
+			return -1;
+		else if (index_left > index_right)
+			return 1;
+
+		cmp = strcmp (lsource->sec, rsource->sec);
+		if (cmp)
+			return cmp;
+	}
+
+	/* The order in section_list has already been compared above. For
+	 * everything not mentioned explicitly there, we just compare
+	 * lexically.
+	 */
+	cmp = strcmp (lsource->ext, rsource->ext);
+	if (cmp)
+		return cmp;
+
+	/* If one candidate is in OVERRIDE_DIR within the same base path as
+	 * the other candidate, then the candidate in OVERRIDE_DIR comes
+	 * first.
+	 */
+	cmp = compare_override_dir (left, right);
+	if (cmp)
+		return cmp;
+
+	/* Try comparing based on language. We used to prefer to display a
+	 * page in the user's preferred language than a page from a better
+	 * section, but that attracted objections, so now we prefer to get
+	 * the section right. See Debian bug #519547.
+	 */
+	slash1 = strrchr (left->path, '/');
+	slash2 = strrchr (right->path, '/');
+	if (slash1 && slash2) {
+		char *locale_copy, *p;
+		struct locale_bits bits1, bits2, lbits;
+		const char *codeset1, *codeset2;
+
+		unpack_locale_bits (++slash1, &bits1);
+		unpack_locale_bits (++slash2, &bits2);
+
+		/* We need the current locale as well. */
+		locale_copy = xstrdup (internal_locale);
+		p = strchr (locale_copy, ':');
+		if (p)
+			*p = '\0';
+		unpack_locale_bits (locale_copy, &lbits);
+		free (locale_copy);
+
+#define COMPARE_LOCALE_ELEMENTS(elt) do { \
+	/* For different elements, prefer one that matches the locale if
+	 * possible.
+	 */ \
+	if (*lbits.elt) { \
+		if (STREQ (lbits.elt, bits1.elt)) { \
+			if (!STREQ (lbits.elt, bits2.elt)) { \
+				cmp = -1; \
+				goto out; \
+			} \
+		} else { \
+			if (STREQ (lbits.elt, bits2.elt)) { \
+				cmp = 1; \
+				goto out; \
+			} \
+		} \
+	} \
+	cmp = strcmp (bits1.elt, bits2.elt); \
+	if (cmp) \
+		/* No help from locale; might as well sort lexically. */ \
+		goto out; \
+} while (0)
+
+		COMPARE_LOCALE_ELEMENTS (language);
+		COMPARE_LOCALE_ELEMENTS (territory);
+		COMPARE_LOCALE_ELEMENTS (modifier);
+
+#undef COMPARE_LOCALE_ELEMENTS
+
+		/* Prefer UTF-8 if available. Otherwise, consider them
+		 * equal.
+		 */
+		codeset1 = get_canonical_charset_name (bits1.codeset);
+		codeset2 = get_canonical_charset_name (bits2.codeset);
+		if (STREQ (codeset1, "UTF-8")) {
+			if (!STREQ (codeset2, "UTF-8")) {
+				cmp = -1;
+				goto out;
+			}
+		} else {
+			if (STREQ (codeset2, "UTF-8")) {
+				cmp = 1;
+				goto out;
+			}
+		}
+
+out:
+		free_locale_bits (&lbits);
+		free_locale_bits (&bits1);
+		free_locale_bits (&bits2);
+		if (cmp)
+			return cmp;
+	}
+
+	/* Explicitly stabilise the sort as a last resort, so that manpath
+	 * ordering (e.g. language-specific hierarchies) works.
+	 */
+	if (left->add_index < right->add_index)
+		return -1;
+	else if (left->add_index > right->add_index)
+		return 1;
+	else
+		return 0;
+
+	return 0;
+}
+
+static int compare_candidates_qsort (const void *l, const void *r)
+{
+	const struct candidate *left = *(const struct candidate **)l;
+	const struct candidate *right = *(const struct candidate **)r;
+
+	return compare_candidates (left, right);
+}
+
+static void free_candidate (struct candidate *candidate)
+{
+	if (candidate)
+		free (candidate->ult);
+	free (candidate);
+}
+
+/* Add an entry to the list of candidates. */
+static int add_candidate (struct candidate **head, char from_db, char cat,
+			  const char *req_name, const char *path,
+			  const char *ult, struct mandata *source)
+{
+	struct candidate *search, *prev, *insert, *candp;
+	static int add_index = 0;
+
+	if (!ult) {
+		const char *name;
+		char *filename;
+		const struct ult_value *ult_value;
+
+		if (*source->pointer != '-')
+			name = source->pointer;
+		else if (source->name)
+			name = source->name;
+		else
+			name = req_name;
+
+		filename = make_filename (path, name, source, cat ? "cat" : "man");
+		if (!filename)
+			return 0;
+		ult_value = ult_src (filename, path, NULL,
+				     get_ult_flags (from_db, source->id));
+		if (ult_value)
+			ult = ult_value->path;
+		free (filename);
+	}
+
+	debug ("candidate: %d %d %s %s %s %c %s %s %s\n",
+	       from_db, cat, req_name, path, ult,
+	       source->id, source->name ? source->name : "-",
+	       source->sec, source->ext);
+
+	if (!source->name)
+		source->name = xstrdup (req_name);
+
+	candp = XMALLOC (struct candidate);
+	candp->req_name = req_name;
+	candp->from_db = from_db;
+	candp->cat = cat;
+	candp->path = path;
+	candp->ult = ult ? xstrdup (ult) : NULL;
+	candp->source = source;
+	candp->add_index = add_index++;
+	candp->next = NULL;
+
+	/* insert will be NULL (insert at start) or a pointer to the element
+	 * after which this element should be inserted.
+	 */
+	insert = NULL;
+	search = *head;
+	prev = NULL;
+	/* This search produces quadratic-time behaviour, although in
+	 * practice it doesn't seem to be too bad at the moment since the
+	 * run-time is dominated by calls to ult_src. In future it might be
+	 * worth optimising this; the reason I haven't done this yet is that
+	 * it involves quite a bit of tedious bookkeeping. A practical
+	 * approach would be to keep two hashes, one that's just a set to
+	 * keep track of whether candp->ult has been seen already, and one
+	 * that keeps a list of candidates for each candp->name that could
+	 * then be quickly checked by brute force.
+	 */
+	while (search) {
+		bool dupcand = duplicate_candidates (candp, search);
+
+		debug ("search: %d %d %s %s %s %c %s %s %s "
+		       "(dup: %d)\n",
+		       search->from_db, search->cat, search->req_name,
+		       search->path, search->ult, search->source->id,
+		       search->source->name ? search->source->name : "-",
+		       search->source->sec, search->source->ext,
+		       (int) dupcand);
+
+		/* Check for duplicates. */
+		if (dupcand) {
+			int cmp = compare_candidates (candp, search);
+
+			if (cmp >= 0) {
+				debug ("other duplicate is at least as "
+				       "good\n");
+				free_candidate (candp);
+				return 0;
+			} else {
+				debug ("this duplicate is better; removing "
+				       "old one\n");
+				if (prev) {
+					prev->next = search->next;
+					free_candidate (search);
+					search = prev->next;
+				} else {
+					*head = search->next;
+					free_candidate (search);
+					search = *head;
+				}
+				continue;
+			}
+		}
+
+		prev = search;
+		if (search->next)
+			search = search->next;
+		else
+			break;
+	}
+	/* Insert the new candidate at the end of the list (having had to go
+	 * through them all looking for duplicates anyway); we'll sort it
+	 * into place later.
+	 */
+	insert = prev;
+
+	candp->next = insert ? insert->next : *head;
+	if (insert)
+		insert->next = candp;
+	else
+		*head = candp;
+
+	return 1;
+}
+
+/* Sort the entire list of candidates. */
+static void sort_candidates (struct candidate **candidates)
+{
+	struct candidate *cand, **allcands;
+	size_t count = 0, i;
+
+	for (cand = *candidates; cand; cand = cand->next)
+		++count;
+
+	if (count == 0)
+		return;
+
+	allcands = XNMALLOC (count, struct candidate *);
+	i = 0;
+	for (cand = *candidates; cand; cand = cand->next) {
+		assert (i < count);
+		allcands[i++] = cand;
+	}
+	assert (i == count);
+
+	qsort (allcands, count, sizeof *allcands, compare_candidates_qsort);
+
+	*candidates = cand = allcands[0];
+	for (i = 1; i < count; ++i) {
+		cand->next = allcands[i];
+		cand = cand->next;
+	}
+	cand->next = NULL;
+
+	free (allcands);
+}
+
+/*
+ * See if the preformatted man page or the source exists in the given
+ * section.
+ */
+static int try_section (const char *path, const char *sec, const char *name,
+			struct candidate **cand_head)
+{
+	int found = 0;
+	gl_list_t names = NULL;
+	const char *found_name;
+	char cat = 0;
+	int lff_opts = (match_case ? LFF_MATCHCASE : 0) |
+		       (regex_opt ? LFF_REGEX : 0) |
+		       (wildcard ? LFF_WILDCARD : 0);
+
+	debug ("trying section %s with globbing\n", sec);
+
+#ifndef NROFF_MISSING /* #ifdef PROG_NROFF */
+	/*
+  	 * Look for man page source files.
+  	 */
+
+	names = look_for_file (path, sec, name, false, lff_opts);
+	if (!gl_list_size (names))
+		/*
+    		 * No files match.
+    		 * See if there's a preformatted page around that
+    		 * we can display.
+    		 */
+#endif /* NROFF_MISSING */
+	{
+		if (catman)
+			return 1;
+
+		if (!troff && !want_encoding && !recode) {
+			if (names)
+				gl_list_free (names);
+			names = look_for_file (path, sec, name, true,
+					       lff_opts);
+			cat = 1;
+		}
+	}
+	if (!names)
+		return 0;
+
+	order_files (path, &names);
+
+	GL_LIST_FOREACH (names, found_name) {
+		struct mandata *info = filename_info (found_name, quiet < 2);
+		const struct ult_value *ult;
+		int f;
+
+		if (!info)
+			continue;
+
+		/* What kind of page is this? Since it's a real file, it
+		 * must be either ULT_MAN or SO_MAN. ult_src() can tell us
+		 * which.
+		 */
+		ult = ult_src (found_name, path, NULL, ult_flags);
+		if (!ult) {
+			/* already warned */
+			debug ("try_section(): bad link %s\n", found_name);
+			free_mandata_struct (info);
+			continue;
+		}
+		if (STREQ (ult->path, found_name))
+			info->id = ULT_MAN;
+		else
+			info->id = SO_MAN;
+
+		f = add_candidate (cand_head, CANDIDATE_FILESYSTEM,
+				   cat, name, path, ult->path, info);
+		found += f;
+		/* Free info if it wasn't added to the candidates. */
+		if (f == 0)
+			free_mandata_struct (info);
+		/* Don't free info here. */
+	}
+
+	gl_list_free (names);
+	return found;
+}
+
+static int display_filesystem (struct candidate *candp)
+{
+	char *filename = make_filename (candp->path, NULL, candp->source,
+					candp->cat ? "cat" : "man");
+	char *title;
+	int found = 0;
+
+	if (!filename)
+		return 0;
+	/* source->name is never NULL thanks to add_candidate() */
+	title = xasprintf ("%s(%s)", candp->source->name, candp->source->ext);
+
+	if (candp->cat) {
+		if (troff || want_encoding || recode)
+			goto out;
+		found = display (candp->path, NULL, filename, title, NULL);
+	} else {
+		const struct ult_value *man_ult;
+		char *cat_file;
+
+		man_ult = ult_src (filename, candp->path, NULL, ult_flags);
+		if (!man_ult)
+			goto out;
+
+		debug ("found ultimate source file %s\n", man_ult->path);
+		lang = lang_dir (man_ult->path);
+
+		cat_file = find_cat_file (candp->path, filename,
+					  man_ult->path);
+		found = display (candp->path, man_ult->path, cat_file, title,
+				 NULL);
+		free (cat_file);
+		free (lang);
+		lang = NULL;
+	}
+
+out:
+	free (title);
+	free (filename);
+	return found;
+}
+
+#ifdef MAN_DB_UPDATES
+/* wrapper to dbdelete which deals with opening/closing the db */
+static void dbdelete_wrapper (const char *page, struct mandata *info,
+			      const char *manpath)
+{
+	if (!catman) {
+		char *catpath, *database;
+		MYDBM_FILE dbf;
+
+		catpath = get_catpath (manpath,
+				       global_manpath ? SYSTEM_CAT : USER_CAT);
+		database = mkdbname (catpath ? catpath : manpath);
+		dbf = MYDBM_NEW (database);
+		if (MYDBM_RWOPEN (dbf)) {
+			if (dbdelete (dbf, page, info) == 1)
+				debug ("%s(%s) not in db!\n", page, info->ext);
+		}
+
+		MYDBM_FREE (dbf);
+		free (database);
+		free (catpath);
+	}
+}
+#endif /* MAN_DB_UPDATES */
+
+/* This started out life as try_section, but a lot of that routine is
+   redundant wrt the db cache. */
+static int display_database (struct candidate *candp)
+{
+	int found = 0;
+	char *file;
+	const char *name;
+	char *title;
+	struct mandata *in = candp->source;
+
+	debug ("trying a db located file.\n");
+	dbprintf (in);
+
+	/* if the pointer holds some data, this is a reference to the
+	   real page, use that instead. */
+	if (*in->pointer != '-')
+		name = in->pointer;
+	else if (in->name)
+		name = in->name;
+	else
+		name = candp->req_name;
+
+	if (in->id == WHATIS_MAN || in->id == WHATIS_CAT)
+		debug (_("%s: relying on whatis refs is deprecated\n"), name);
+
+	title = xasprintf ("%s(%s)",
+			   in->name ? in->name : candp->req_name, in->ext);
+
+#ifndef NROFF_MISSING /* #ifdef PROG_NROFF */
+	/*
+  	 * Look for man page source files.
+  	 */
+
+	if (in->id < STRAY_CAT) {	/* There should be a src page */
+		file = make_filename (candp->path, name, in, "man");
+		if (file) {
+			const struct ult_value *man_ult;
+			char *cat_file;
+
+			man_ult = ult_src (file, candp->path, NULL,
+					   get_ult_flags (1, in->id));
+			if (!man_ult) {
+				free (title);
+				return found; /* zero */
+			}
+
+			debug ("found ultimate source file %s\n",
+			       man_ult->path);
+			lang = lang_dir (man_ult->path);
+
+			cat_file = find_cat_file (candp->path, file,
+						  man_ult->path);
+			found += display (candp->path, man_ult->path, cat_file,
+					  title, in->filter);
+			free (cat_file);
+			free (lang);
+			lang = NULL;
+			free (file);
+		} /* else {drop through to the bottom and return 0 anyway} */
+	} else
+
+#endif /* NROFF_MISSING */
+
+	if (in->id <= WHATIS_CAT) {
+		/* The db says we have a stray cat or whatis ref */
+
+		if (catman) {
+			free (title);
+			return ++found;
+		}
+
+		/* If explicitly asked for troff or a different encoding,
+		 * don't show a stray cat.
+		 */
+		if (troff || want_encoding || recode) {
+			free (title);
+			return found;
+		}
+
+		file = make_filename (candp->path, name, in, "cat");
+		if (!file) {
+			char *catpath;
+			catpath = get_catpath (candp->path,
+					       global_manpath ? SYSTEM_CAT
+							      : USER_CAT);
+
+			if (catpath && strcmp (catpath, candp->path) != 0) {
+				file = make_filename (catpath, name,
+						      in, "cat");
+				free (catpath);
+				if (!file) {
+					/* don't delete here,
+					   return==0 will do that */
+					free (title);
+					return found; /* zero */
+				}
+			} else {
+				free (catpath);
+				free (title);
+				return found; /* zero */
+			}
+		}
+
+		found += display (candp->path, NULL, file, title, in->filter);
+		free (file);
+	}
+	free (title);
+	return found;
+}
+
+/* test for existence, if fail: call dbdelete_wrapper, else return amount */
+static int display_database_check (struct candidate *candp)
+{
+	int exists = display_database (candp);
+
+#ifdef MAN_DB_UPDATES
+	if (!exists && !skip) {
+		debug ("dbdelete_wrapper (%s, %p, %s)\n",
+		       candp->req_name, candp->source, candp->path);
+		dbdelete_wrapper (candp->req_name, candp->source, candp->path);
+	}
+#endif /* MAN_DB_UPDATES */
+
+	return exists;
+}
+
+#ifdef MAN_DB_UPDATES
+static int maybe_update_file (const char *manpath, const char *name,
+			      struct mandata *info)
+{
+	const char *real_name;
+	char *file;
+	struct stat buf;
+	struct timespec file_mtime;
+	int status;
+
+	if (!update)
+		return 0;
+
+	/* If the pointer holds some data, then we need to look at that
+	 * name in the filesystem instead.
+	 */
+	if (!STRNEQ (info->pointer, "-", 1))
+		real_name = info->pointer;
+	else if (info->name)
+		real_name = info->name;
+	else
+		real_name = name;
+
+	file = make_filename (manpath, real_name, info, "man");
+	if (!file)
+		return 0;
+	if (lstat (file, &buf) != 0)
+		return 0;
+	file_mtime = get_stat_mtime (&buf);
+	if (timespec_cmp (file_mtime, info->mtime) == 0)
+		return 0;
+
+	debug ("%s needs to be recached: %ld.%09ld %ld.%09ld\n",
+	       file,
+	       (long) info->mtime.tv_sec, (long) info->mtime.tv_nsec,
+	       (long) file_mtime.tv_sec, (long) file_mtime.tv_nsec);
+	status = run_mandb (false, manpath, file);
+	if (status)
+		error (0, 0, _("mandb command failed with exit status %d"),
+		       status);
+	free (file);
+
+	return 1;
+}
+#endif /* MAN_DB_UPDATES */
+
+/* Special return values from try_db(). */
+
+#define TRY_DATABASE_OPEN_FAILED  -1
+
+#ifdef MAN_DB_CREATES
+#define TRY_DATABASE_CREATED      -2
+#endif /* MAN_DB_CREATES */
+
+#ifdef MAN_DB_UPDATES
+#define TRY_DATABASE_UPDATED      -3
+#endif /* MAN_DB_UPDATES */
+
+static void db_map_value_free (const void *value)
+{
+	/* The value may be NULL to indicate that opening the database at
+	 * this location already failed.
+	 */
+	if (value)
+		gl_list_free ((gl_list_t) value);
+}
+
+/* Look for a page in the database. If db not accessible, return -1,
+   otherwise return number of pages found. */
+static int try_db (const char *manpath, const char *sec, const char *name,
+		   struct candidate **cand_head)
+{
+	gl_list_t matches;
+	struct mandata *loc;
+	char *catpath, *database;
+	MYDBM_FILE dbf = NULL;
+	int found = 0;
+#ifdef MAN_DB_UPDATES
+	bool found_stale = false;
+#endif /* MAN_DB_UPDATES */
+
+	/* find out where our db for this manpath should be */
+
+	catpath = get_catpath (manpath, global_manpath ? SYSTEM_CAT : USER_CAT);
+	database = mkdbname (catpath ? catpath : manpath);
+
+	if (!db_map)
+		db_map = new_string_map (GL_HASH_MAP, db_map_value_free);
+
+	/* If we haven't looked here already, do so now. */
+	if (!gl_map_search (db_map, manpath, (const void **) &matches)) {
+		dbf = MYDBM_NEW (database);
+		if (MYDBM_RDOPEN (dbf) && !dbver_rd (dbf)) {
+			debug ("Succeeded in opening %s O_RDONLY\n", database);
+
+			/* if section is set, only return those that match,
+			   otherwise NULL retrieves all available */
+			if (regex_opt || wildcard)
+				matches = dblookup_pattern
+					(dbf, name, section, match_case,
+					 regex_opt, !names_only);
+			else
+				matches = dblookup_all (dbf, name, section,
+							match_case);
+			gl_map_put (db_map, xstrdup (manpath), matches);
+#ifdef MAN_DB_CREATES
+		} else if (!global_manpath) {
+			/* create one */
+			debug ("Failed to open %s O_RDONLY\n", database);
+			if (run_mandb (true, manpath, NULL)) {
+				gl_map_put (db_map, xstrdup (manpath), NULL);
+				found = TRY_DATABASE_OPEN_FAILED;
+				goto out;
+			}
+			found = TRY_DATABASE_CREATED;
+			goto out;
+#endif /* MAN_DB_CREATES */
+		} else {
+			debug ("Failed to open %s O_RDONLY\n", database);
+			gl_map_put (db_map, xstrdup (manpath), NULL);
+			found = TRY_DATABASE_OPEN_FAILED;
+			goto out;
+		}
+		assert (matches != NULL);
+	}
+
+	/* We already tried (and failed) to open this db before. */
+	if (!matches) {
+		found = TRY_DATABASE_OPEN_FAILED;
+		goto out;
+	}
+
+#ifdef MAN_DB_UPDATES
+	/* Check that all the entries found are up to date. If not, the
+	 * caller should try again.
+	 */
+	GL_LIST_FOREACH (matches, loc)
+		if (STREQ (sec, loc->sec) &&
+		    (!extension || STREQ (extension, loc->ext)
+				|| STREQ (extension, loc->ext + strlen (sec))))
+			if (maybe_update_file (manpath, name, loc))
+				found_stale = true;
+
+	if (found_stale) {
+		gl_map_remove (db_map, manpath);
+		found = TRY_DATABASE_UPDATED;
+		goto out;
+	}
+#endif /* MAN_DB_UPDATES */
+
+	/* cycle through the mandata structures (there's usually only
+	   1 or 2) and see what we have w.r.t. the current section */
+	GL_LIST_FOREACH (matches, loc)
+		if (STREQ (sec, loc->sec) &&
+		    (!extension || STREQ (extension, loc->ext)
+				|| STREQ (extension, loc->ext + strlen (sec))))
+			found += add_candidate (cand_head, CANDIDATE_DATABASE,
+						0, name, manpath, NULL, loc);
+
+out:
+	MYDBM_FREE (dbf);
+	free (database);
+	free (catpath);
+	return found;
+}
+
+/* Try to locate the page under the specified manpath, in the desired section,
+ * with the supplied name. Glob if necessary. Initially search the filesystem;
+ * if that fails, try finding it via a db cache access. */
+static int locate_page (const char *manpath, const char *sec, const char *name,
+			struct candidate **candidates)
+{
+	int found, db_ok;
+
+	/* sort out whether we want to treat this hierarchy as
+	   global or user. Differences:
+
+	   global: if setuid, use privs; don't create db.
+	   user  : if setuid, drop privs; allow db creation. */
+
+	global_manpath = is_global_mandir (manpath);
+	if (!global_manpath)
+		drop_effective_privs ();
+
+	debug ("searching in %s, section %s\n", manpath, sec);
+
+	found = try_section (manpath, sec, name, candidates);
+
+	if ((!found || findall) && !global_apropos) {
+		db_ok = try_db (manpath, sec, name, candidates);
+
+#ifdef MAN_DB_CREATES
+		if (db_ok == TRY_DATABASE_CREATED)
+			/* we created a db in the last call */
+			db_ok = try_db (manpath, sec, name, candidates);
+#endif /* MAN_DB_CREATES */
+
+#ifdef MAN_DB_UPDATES
+		if (db_ok == TRY_DATABASE_UPDATED)
+			/* We found some outdated entries and rebuilt the
+			 * database in the last call. If this keeps
+			 * happening, though, give up and punt to the
+			 * filesystem.
+			 */
+			db_ok = try_db (manpath, sec, name, candidates);
+#endif /* MAN_DB_UPDATES */
+
+		if (db_ok > 0)  /* we found/opened a db and found something */
+			found += db_ok;
+	}
+
+	if (!global_manpath)
+		regain_effective_privs ();
+
+	return found;
+}
+
+static int display_pages (struct candidate *candidates)
+{
+	struct candidate *candp;
+	int found = 0;
+
+	for (candp = candidates; candp; candp = candp->next) {
+		global_manpath = is_global_mandir (candp->path);
+		if (!global_manpath)
+			drop_effective_privs ();
+
+		switch (candp->from_db) {
+			case CANDIDATE_FILESYSTEM:
+				found += display_filesystem (candp);
+				break;
+			case CANDIDATE_DATABASE:
+				found += display_database_check (candp);
+				break;
+			default:
+				error (0, 0,
+				       _("internal error: candidate type %d "
+					 "out of range"), candp->from_db);
+		}
+
+		if (!global_manpath)
+			regain_effective_privs ();
+
+		if (found && !findall)
+			return found;
+	}
+
+	return found;
+}
+
+/*
+ * Search for text in all manual pages.
+ *
+ * This is not a real full-text search, but a brute-force on-demand search.
+ * The idea, name, and approach originate in the 'man' package, added (I
+ * believe) by Andries Brouwer, although the implementation is new for
+ * man-db and much faster due to running in-process.
+ *
+ * Conceptually, this really belongs in whatis.c, as part of apropos.
+ * However, the implementation in 'man' offers pages for immediate display
+ * on request rather than simply listing them, which is currently awkward to
+ * do in apropos. If we ever add support to apropos/whatis for either
+ * calling back to man or displaying pages directly, we should revisit this.
+ */
+static int grep (const char *file, const char *string, const regex_t *search)
+{
+	struct stat st;
+	decompress *decomp;
+	const char *line;
+	int ret = 0;
+
+	/* pipeline_start makes file open failures unconditionally fatal.
+	 * Here, we'd rather just ignore any such files.
+	 */
+	if (stat (file, &st) < 0)
+		return 0;
+
+	decomp = decompress_open (file, DECOMPRESS_ALLOW_INPROCESS);
+	if (!decomp)
+		return 0;
+	decompress_start (decomp);
+	while ((line = decompress_readline (decomp)) != NULL) {
+		if (regex_opt) {
+			if (regexec (search, line,
+				     0, (regmatch_t *) 0, 0) == 0) {
+				ret = 1;
+				break;
+			}
+		} else {
+			if (match_case ?
+			    strstr (line, string) :
+			    strcasestr (line, string)) {
+				ret = 1;
+				break;
+			}
+		}
+	}
+
+	decompress_free (decomp);
+	return ret;
+}
+
+static int do_global_apropos_section (const char *path, const char *sec,
+				      const char *name, gl_set_t seen)
+{
+	int found = 0;
+	gl_list_t names;
+	const char *found_name;
+	regex_t search;
+
+	global_manpath = is_global_mandir (path);
+	if (!global_manpath)
+		drop_effective_privs ();
+
+	debug ("searching in %s, section %s\n", path, sec);
+
+	names = look_for_file (path, sec, "*", false, LFF_WILDCARD);
+
+	if (regex_opt)
+		xregcomp (&search, name,
+			  REG_EXTENDED | REG_NOSUB |
+			  (match_case ? 0 : REG_ICASE));
+	else
+		memset (&search, 0, sizeof search);
+
+	order_files (path, &names);
+
+	GL_LIST_FOREACH (names, found_name) {
+		struct mandata *info;
+		char *title = NULL;
+		const struct ult_value *man_ult;
+		char *cat_file = NULL;
+
+		if (!grep (found_name, name, &search))
+			continue;
+
+		info = filename_info (found_name, quiet < 2);
+		if (!info)
+			goto next;
+
+		title = xasprintf ("%s(%s)", info->name, info->ext);
+		man_ult = ult_src (found_name, path, NULL, ult_flags);
+		if (!man_ult)
+			goto next;
+		if (gl_set_search (seen, man_ult->path))
+			goto next;
+		gl_set_add (seen, xstrdup (man_ult->path));
+		lang = lang_dir (man_ult->path);
+		cat_file = find_cat_file (path, found_name, man_ult->path);
+		if (display (path, man_ult->path, cat_file, title, NULL))
+			found = 1;
+		free (lang);
+		lang = NULL;
+
+next:
+		free (cat_file);
+		free (title);
+		free_mandata_struct (info);
+	}
+
+	gl_list_free (names);
+
+	if (regex_opt)
+		regfree (&search);
+
+	if (!global_manpath)
+		regain_effective_privs ();
+
+	return found;
+}
+
+static int do_global_apropos (const char *name, int *found)
+{
+	gl_list_t my_section_list;
+	const char *sec;
+	gl_set_t seen;
+
+	if (section) {
+		my_section_list = gl_list_create_empty (GL_ARRAY_LIST, NULL,
+							NULL, NULL, false);
+		gl_list_add_last (my_section_list, section);
+	} else
+		my_section_list = section_list;
+	seen = new_string_set (GL_HASH_SET);
+
+	GL_LIST_FOREACH (my_section_list, sec) {
+		char *mp;
+
+		GL_LIST_FOREACH (manpathlist, mp)
+			*found += do_global_apropos_section (mp, sec, name,
+							     seen);
+	}
+
+	gl_set_free (seen);
+	if (section)
+		gl_list_free (my_section_list);
+
+	return *found ? OK : NOT_FOUND;
+}
+
+static int man (const char *name, int *found);
+
+/* man issued with `-l' option */
+static int local_man_loop (const char *argv)
+{
+	int exit_status = OK;
+	bool local_mf = local_man_file;
+
+	drop_effective_privs ();
+	local_man_file = true;
+	if (strcmp (argv, "-") == 0)
+		display (NULL, "", NULL, "(stdin)", NULL);
+	else {
+		struct stat st;
+
+		/* Check that the file exists and isn't e.g. a directory */
+		if (stat (argv, &st)) {
+			error (0, errno, "%s", argv);
+			return NOT_FOUND;
+		}
+
+		if (S_ISDIR (st.st_mode)) {
+			error (0, EISDIR, "%s", argv);
+			return NOT_FOUND;
+		}
+
+		if (S_ISCHR (st.st_mode) || S_ISBLK (st.st_mode)) {
+			/* EINVAL is about the best I can do. */
+			error (0, EINVAL, "%s", argv);
+			return NOT_FOUND;
+		}
+
+		if (st.st_mode & (S_IXUSR | S_IXGRP | S_IXOTH)) {
+			/* Perhaps an executable. If its directory is on
+			 * $PATH, then we want to look up the corresponding
+			 * manual page in the appropriate hierarchy rather
+			 * than displaying the executable.
+			 */
+			char *argv_dir = dir_name (argv);
+			int found = 0;
+
+			if (directory_on_path (argv_dir)) {
+				char *argv_base = base_name (argv);
+				char *new_manp, *nm;
+				gl_list_t old_manpathlist;
+
+				debug ("recalculating manpath for executable "
+				       "in %s\n", argv_dir);
+
+				new_manp = get_manpath_from_path (argv_dir,
+								  false);
+				if (!new_manp || !*new_manp) {
+					debug ("no useful manpath for "
+					       "executable\n");
+					goto executable_out;
+				}
+				nm = locale_manpath (new_manp);
+				free (new_manp);
+				new_manp = nm;
+
+				old_manpathlist = manpathlist;
+				manpathlist = create_pathlist (new_manp);
+
+				man (argv_base, &found);
+
+				free_pathlist (manpathlist);
+				manpathlist = old_manpathlist;
+executable_out:
+				free (new_manp);
+				free (argv_base);
+			}
+			free (argv_dir);
+
+			if (found)
+				return OK;
+		}
+
+		if (exit_status == OK) {
+			char *argv_base = base_name (argv);
+			char *argv_abs;
+			if (argv[0] == '/')
+				argv_abs = xstrdup (argv);
+			else {
+				argv_abs = xgetcwd ();
+				if (argv_abs)
+					argv_abs = appendstr (argv_abs, "/",
+							      argv,
+							      (void *) 0);
+				else
+					argv_abs = xstrdup (argv);
+			}
+			lang = lang_dir (argv_abs);
+			free (argv_abs);
+			if (!display (NULL, argv, NULL, argv_base, NULL)) {
+				if (local_mf)
+					error (0, errno, "%s", argv);
+				exit_status = NOT_FOUND;
+			}
+			free (lang);
+			lang = NULL;
+			free (argv_base);
+		}
+	}
+	local_man_file = local_mf;
+	regain_effective_privs ();
+	return exit_status;
+}
+
+/*
+ * Splits a "name[.section]" or "name(section)" into { "name", "section" }.
+ * Section would be NULL if not present.
+ * The caller is responsible for freeing *ret_name and *ret_section.
+ * */
+static void split_page_name (const char *page_name,
+			     char **ret_name,
+			     char **ret_section)
+{
+	char *dot, *lparen, *rparen;
+
+	dot = strrchr (page_name, '.');
+	if (dot && is_section (dot + 1)) {
+		*ret_name = xstrndup (page_name, dot - page_name);
+		*ret_section = xstrdup (dot + 1);
+		return;
+	}
+
+	lparen = strrchr (page_name, '(');
+	rparen = strrchr (page_name, ')');
+	if (lparen && rparen && rparen > lparen) {
+		char *paren_section = xstrndup
+			(lparen + 1, rparen - lparen - 1);
+		if (is_section (paren_section)) {
+			*ret_name = xstrndup (page_name, lparen - page_name);
+			*ret_section = paren_section;	/* steal memory */
+			return;
+		}
+		free (paren_section);
+	}
+
+	*ret_name = xstrdup (page_name);
+	*ret_section = NULL;
+}
+
+static void locate_page_in_manpath (const char *page_section,
+				    const char *page_name,
+				    struct candidate **candidates,
+				    int *found)
+{
+	char *mp;
+
+	GL_LIST_FOREACH (manpathlist, mp)
+		*found += locate_page (mp, page_section, page_name,
+				       candidates);
+}
+
+/*
+ * Search for manual pages.
+ *
+ * If preformatted manual pages are supported, look for the formatted
+ * file first, then the man page source file.  If they both exist and
+ * the man page source file is newer, or only the source file exists,
+ * try to reformat it and write the results in the cat directory.  If
+ * it is not possible to write the cat file, simply format and display
+ * the man file.
+ *
+ * If preformatted pages are not supported, or the troff option is
+ * being used, only look for the man page source file.
+ *
+ */
+static int man (const char *name, int *found)
+{
+	char *page_name, *page_section;
+	struct candidate *candidates = NULL, *cand, *candnext;
+
+	*found = 0;
+	fflush (stdout);
+
+	if (section)
+		locate_page_in_manpath (section, name, &candidates, found);
+	else {
+		const char *sec;
+
+		GL_LIST_FOREACH (section_list, sec)
+			locate_page_in_manpath (sec, name, &candidates, found);
+	}
+
+	split_page_name (name, &page_name, &page_section);
+
+	if (!*found && page_section)
+		locate_page_in_manpath (page_section, page_name, &candidates,
+					found);
+
+	free (page_name);
+	free (page_section);
+
+	sort_candidates (&candidates);
+
+	if (*found)
+		*found = display_pages (candidates);
+
+	for (cand = candidates; cand; cand = candnext) {
+		candnext = cand->next;
+		free_candidate (cand);
+	}
+
+	return *found ? OK : NOT_FOUND;
+}
+
+static int man_maybe_local (const char *name, int *found)
+{
+	*found = 0;
+	if (strchr (name, '/')) {
+		int status = local_man_loop (name);
+		if (status == OK)
+			*found = 1;
+		return status;
+	}
+	return man (name, found);
+}
+
+
+static gl_list_t get_section_list (void)
+{
+	gl_list_t config_sections, sections;
+	char *section_list_copy;
+	const char *sec;
+
+	/* Section list from configuration file, or STD_SECTIONS if it's
+	 * empty.
+	 */
+	config_sections = get_sections ();
+	if (!gl_list_size (config_sections)) {
+		int i;
+		for (i = 0; std_sections[i]; ++i)
+			gl_list_add_last (config_sections,
+					  xstrdup (std_sections[i]));
+	}
+
+	if (colon_sep_section_list == NULL)
+		colon_sep_section_list = getenv ("MANSECT");
+	if (colon_sep_section_list == NULL || *colon_sep_section_list == '\0')
+		return config_sections;
+
+	/* Although this is documented as colon-separated, at least Solaris
+	 * man's -s option takes a comma-separated list, so we accept that
+	 * too for compatibility.
+	 */
+	sections = new_string_list (GL_ARRAY_LIST, true);
+	section_list_copy = xstrdup (colon_sep_section_list);
+	for (sec = strtok (section_list_copy, ":,"); sec;
+	     sec = strtok (NULL, ":,"))
+		gl_list_add_last (sections, xstrdup (sec));
+	free (section_list_copy);
+
+	if (gl_list_size (sections)) {
+		gl_list_free (config_sections);
+		return sections;
+	} else {
+		gl_list_free (sections);
+		return config_sections;
+	}
+}
+
+/*
+ * Returns the first token of a libpipeline/sh-style command. See SUSv4TC2:
+ * 2.2 Shell Command Language: Quoting.
+ *
+ * Free the returned value.
+ *
+ * Examples:
+ * sh_lang_first_word ("echo 3") returns "echo"
+ * sh_lang_first_word ("'e ho' 3") returns "e ho"
+ * sh_lang_first_word ("e\\cho 3") returns "echo"
+ * sh_lang_first_word ("e\\\ncho 3") returns "echo"
+ * sh_lang_first_word ("\"echo t\" 3") returns "echo t"
+ * sh_lang_first_word ("\"ech\\o t\" 3") returns "ech\\o t"
+ * sh_lang_first_word ("\"ech\\\\o t\" 3") returns "ech\\o t"
+ * sh_lang_first_word ("\"ech\\\no t\" 3") returns "echo t"
+ * sh_lang_first_word ("\"ech\\$ t\" 3") returns "ech$ t"
+ * sh_lang_first_word ("\"ech\\` t\" 3") returns "ech` t"
+ * sh_lang_first_word ("e\"ch\"o 3") returns "echo"
+ * sh_lang_first_word ("e'ch'o 3") returns "echo"
+ */
+static char *sh_lang_first_word (const char *cmd)
+{
+	int i, o = 0;
+	char *ret = xmalloc (strlen (cmd) + 1);
+
+	for (i = 0; cmd[i] != '\0'; i++) {
+		if (cmd[i] == '\\') {
+			/* Escape Character (Backslash) */
+			i++;
+			if (cmd[i] == '\0')
+				break;
+			if (cmd[i] != '\n')
+				ret[o++] = cmd[i];
+		} else if (cmd[i] == '\'') {
+			/* Single-Quotes */
+			i++;
+			while (cmd[i] != '\0' && cmd[i] != '\'')
+				ret[o++] = cmd[i++];
+		} else if (cmd[i] == '"') {
+			/* Double-Quotes */
+			i++;
+			while (cmd[i] != '\0' && cmd[i] != '"') {
+				if (cmd[i] == '\\') {
+					if (cmd[i + 1] == '$' ||
+					    cmd[i + 1] == '`' ||
+					    cmd[i + 1] == '"' ||
+					    cmd[i + 1] == '\\')
+						ret[o++] = cmd[++i];
+					else if (cmd[i + 1] == '\n')
+						i++;
+					else
+						ret[o++] = cmd[i];
+				} else
+					ret[o++] = cmd[i];
+
+				i++;
+			}
+		} else if (cmd[i] == '\t' || cmd[i] == ' ' || cmd[i] == '\n' ||
+			   cmd[i] == '#')
+			break;
+		else
+			ret[o++] = cmd[i];
+	}
+
+	ret[o] = '\0';
+
+	return ret;
+}
+
+int main (int argc, char *argv[])
+{
+	int argc_env, exit_status = OK;
+	char **argv_env;
+	const char *tmp;
+
+	set_program_name (argv[0]);
+
+	init_debug ();
+	pipeline_install_post_fork (pop_all_cleanups);
+	sandbox = sandbox_init ();
+
+	umask (022);
+	init_locale ();
+
+	internal_locale = setlocale (LC_MESSAGES, NULL);
+	/* Use LANGUAGE only when LC_MESSAGES locale category is
+	 * neither "C" nor "POSIX". */
+	if (internal_locale && strcmp (internal_locale, "C") &&
+	    strcmp (internal_locale, "POSIX"))
+		multiple_locale = getenv ("LANGUAGE");
+	internal_locale = xstrdup (internal_locale ? internal_locale : "C");
+
+	xstdopen ();
+
+/* export argv, it might be needed when invoking the vendor supplied browser */
+#if defined _AIX || defined __sgi
+	global_argv = argv;
+#endif
+
+#ifdef TROFF_IS_GROFF
+	/* used in --help, so initialise early */
+	if (!html_pager)
+		init_html_pager ();
+#endif /* TROFF_IS_GROFF */
+
+#ifdef NROFF_WARNINGS
+	roff_warnings = new_string_list (GL_ARRAY_LIST, true);
+#endif /* NROFF_WARNINGS */
+
+	/* First of all, find out if $MANOPT is set. If so, put it in
+	   *argv[] format for argp to play with. */
+	argv_env = manopt_to_env (&argc_env);
+	if (argv_env)
+		if (argp_parse (&argp, argc_env, argv_env, ARGP_NO_ARGS, 0, 0))
+			exit (FAIL);
+
+	/* parse the actual program args */
+	if (argp_parse (&argp, argc, argv, ARGP_NO_ARGS, &first_arg, 0))
+		exit (FAIL);
+
+	/* record who we are and drop effective privs for later use */
+	init_security ();
+
+	read_config_file (local_man_file || user_config_file);
+
+	/* if the user wants whatis or apropos, give it to them... */
+	if (external)
+		do_extern (argc, argv);
+
+	get_term (); /* stores terminal settings */
+
+	/* close this locale and reinitialise if a new locale was
+	   issued as an argument or in $MANOPT */
+	if (locale) {
+		free (internal_locale);
+		internal_locale = setlocale (LC_ALL, locale);
+		if (internal_locale)
+			internal_locale = xstrdup (internal_locale);
+		else
+			internal_locale = xstrdup (locale);
+
+		debug ("main(): locale = %s, internal_locale = %s\n",
+		       locale, internal_locale);
+		if (internal_locale) {
+			setenv ("LANGUAGE", internal_locale, 1);
+			locale_changed ();
+			multiple_locale = NULL;
+		}
+	}
+
+#ifdef TROFF_IS_GROFF
+	if (htmlout)
+		pager = html_pager;
+#endif /* TROFF_IS_GROFF */
+
+	if (pager == NULL)
+		pager = getenv ("MANPAGER");
+	if (pager == NULL)
+		pager = getenv ("PAGER");
+	if (pager == NULL)
+		pager = get_def_user ("pager", NULL);
+	if (pager == NULL) {
+		char *pager_program = sh_lang_first_word (PROG_PAGER);
+		if (pathsearch_executable (pager_program))
+			pager = PROG_PAGER;
+		else
+			pager = "";
+		free (pager_program);
+	}
+	if (*pager == '\0')
+		pager = get_def_user ("cat", PROG_CAT);
+
+	if (prompt_string == NULL)
+		prompt_string = getenv ("MANLESS");
+
+	if (prompt_string == NULL)
+#ifdef LESS_PROMPT
+		prompt_string = LESS_PROMPT;
+#else
+		prompt_string = _(
+				" Manual page " MAN_PN
+				" ?ltline %lt?L/%L.:byte %bB?s/%s..?e (END):"
+				"?pB %pB\\%.. "
+				"(press h for help or q to quit)");
+#endif
+
+	/* Restore and save $LESS in $MAN_ORIG_LESS so that recursive uses
+	 * of man work as expected.
+	 */
+	less = getenv ("MAN_ORIG_LESS");
+	if (less == NULL)
+		less = getenv ("LESS");
+	setenv ("MAN_ORIG_LESS", less ? less : "", 1);
+
+	debug ("using %s as pager\n", pager);
+
+	if (first_arg == argc) {
+		if (print_where) {
+			manp = get_manpath ("");
+			printf ("%s\n", manp);
+			exit (OK);
+		} else {
+			free (internal_locale);
+			gripe_no_name (NULL);
+		}
+	}
+
+	section_list = get_section_list ();
+
+	if (manp == NULL) {
+		char *mp = get_manpath (alt_system_name);
+		manp = locale_manpath (mp);
+		free (mp);
+	} else
+		free (get_manpath (NULL));
+
+	manpathlist = create_pathlist (manp);
+
+	/* man issued with `-l' option */
+	if (local_man_file) {
+		while (first_arg < argc) {
+			exit_status = local_man_loop (argv[first_arg]);
+			++first_arg;
+		}
+		free (internal_locale);
+		exit (exit_status);
+	}
+
+	/* finished manpath processing, regain privs */
+	regain_effective_privs ();
+
+#ifdef MAN_DB_UPDATES
+	/* If `-u', do it now. */
+	if (update) {
+		int status = run_mandb (false, NULL, NULL);
+		if (status)
+			error (0, 0,
+			       _("mandb command failed with exit status %d"),
+			       status);
+	}
+#endif /* MAN_DB_UPDATES */
+
+	while (first_arg < argc) {
+		int status = OK;
+		int found = 0;
+		static bool maybe_section = false;
+		const char *nextarg = argv[first_arg++];
+
+		/*
+     		 * See if this argument is a valid section name.  If not,
+      		 * is_section returns NULL.
+      		 */
+		if (!catman) {
+			tmp = is_section (nextarg);
+			if (tmp) {
+				section = tmp;
+				debug ("\nsection: %s\n", section);
+				maybe_section = true;
+			}
+		}
+
+		if (maybe_section) {
+			if (first_arg < argc)
+				/* e.g. 'man 3perl Shell' */
+				nextarg = argv[first_arg++];
+			else
+				/* e.g. 'man 9wm' */
+				section = NULL;
+				/* ... but leave maybe_section set so we can
+				 * tell later that this happened.
+				 */
+		}
+
+		/* this is where we actually start looking for the man page */
+		skip = false;
+		if (global_apropos)
+			status = do_global_apropos (nextarg, &found);
+		else {
+			bool found_subpage = false;
+			if (subpages && first_arg < argc) {
+				char *subname = xasprintf (
+					"%s-%s", nextarg, argv[first_arg]);
+				assert (subname);
+				status = man (subname, &found);
+				free (subname);
+				if (status == OK) {
+					found_subpage = true;
+					++first_arg;
+				}
+			}
+			if (!found_subpage && subpages && first_arg < argc) {
+				char *subname = xasprintf (
+					"%s_%s", nextarg, argv[first_arg]);
+				assert (subname);
+				status = man (subname, &found);
+				free (subname);
+				if (status == OK) {
+					found_subpage = true;
+					++first_arg;
+				}
+			}
+			if (!found_subpage)
+				status = man_maybe_local (nextarg, &found);
+		}
+
+		/* clean out the cache of database lookups for each man page */
+		if (db_map) {
+			gl_map_free (db_map);
+			db_map = NULL;
+		}
+
+		if (section && maybe_section) {
+			if (status != OK && !catman) {
+				/* Maybe the section wasn't a section after
+				 * all? e.g. 'man 9wm fvwm'.
+				 */
+				bool found_subpage = false;
+				debug ("\nRetrying section %s as name\n",
+				       section);
+				tmp = section;
+				section = NULL;
+				if (subpages) {
+					char *subname = xasprintf (
+						"%s-%s", tmp, nextarg);
+					status = man (subname, &found);
+					free (subname);
+					if (status == OK) {
+						found_subpage = true;
+						++first_arg;
+					}
+				}
+				if (!found_subpage)
+					status = man_maybe_local (tmp, &found);
+				if (db_map) {
+					gl_map_free (db_map);
+					db_map = NULL;
+				}
+				/* ... but don't gripe about it if it doesn't
+				 * work!
+				 */
+				if (status == OK) {
+					/* It was a name after all, so arrange
+					 * to try the next page again with a
+					 * null section.
+					 */
+					nextarg = tmp;
+					--first_arg;
+				} else
+					/* No go, it really was a section. */
+					section = tmp;
+			}
+		}
+
+		if (status != OK && !catman) {
+			if (!skip) {
+				exit_status = status;
+				if (exit_status == NOT_FOUND) {
+					if (!section && maybe_section &&
+					    CTYPE (isdigit, nextarg[0]))
+						gripe_no_name (nextarg);
+					else
+						gripe_no_man (nextarg, section);
+				}
+			}
+		} else {
+			debug ("\nFound %d man pages\n", found);
+			if (catman) {
+				printf ("%s", nextarg);
+				if (section)
+					printf ("(%s)", section);
+				if (first_arg != argc)
+					fputs (", ", stdout);
+				else
+					fputs (".\n", stdout);
+			}
+		}
+
+		maybe_section = false;
+	}
+	if (db_map) {
+		gl_map_free (db_map);
+		db_map = NULL;
+	}
+
+	drop_effective_privs ();
+
+	gl_list_free (section_list);
+	free_pathlist (manpathlist);
+	free (internal_locale);
+	sandbox_free (sandbox);
+	exit (exit_status);
+}
diff --git a/src/man_db.conf.in b/src/man_db.conf.in
new file mode 100644
index 0000000..3bb8ebd
--- /dev/null
+++ b/src/man_db.conf.in
@@ -0,0 +1,132 @@
+# @config_file_basename@
+#
+# This file is used by the man-db package to configure the man and cat paths.
+# It is also used to provide a manpath for those without one by examining
+# their PATH environment variable. For details see the manpath(5) man page.
+#
+# Lines beginning with `#' are comments and are ignored. Any combination of
+# tabs or spaces may be used as `whitespace' separators.
+#
+# There are three mappings allowed in this file:
+# --------------------------------------------------------
+# MANDATORY_MANPATH			manpath_element
+# MANPATH_MAP		path_element	manpath_element
+# MANDB_MAP		global_manpath	[relative_catpath]
+#---------------------------------------------------------
+# every automatically generated MANPATH includes these fields
+#
+#MANDATORY_MANPATH 			/usr/src/pvm3/man
+#
+MANDATORY_MANPATH			/usr/man
+MANDATORY_MANPATH			/usr/share/man
+MANDATORY_MANPATH			/usr/local/share/man
+#---------------------------------------------------------
+# set up PATH to MANPATH mapping
+# ie. what man tree holds man pages for what binary directory.
+#
+#		*PATH*        ->	*MANPATH*
+#
+MANPATH_MAP	/bin			/usr/share/man
+MANPATH_MAP	/usr/bin		/usr/share/man
+MANPATH_MAP	/sbin			/usr/share/man
+MANPATH_MAP	/usr/sbin		/usr/share/man
+MANPATH_MAP	/usr/local/bin		/usr/local/man
+MANPATH_MAP	/usr/local/bin		/usr/local/share/man
+MANPATH_MAP	/usr/local/sbin		/usr/local/man
+MANPATH_MAP	/usr/local/sbin		/usr/local/share/man
+MANPATH_MAP	/usr/X11R6/bin		/usr/X11R6/man
+MANPATH_MAP	/usr/bin/X11		/usr/X11R6/man
+MANPATH_MAP	/usr/games		/usr/share/man
+MANPATH_MAP	/opt/bin		/opt/man
+MANPATH_MAP	/opt/sbin		/opt/man
+#---------------------------------------------------------
+# For a manpath element to be treated as a system manpath (as most of those
+# above should normally be), it must be mentioned below. Each line may have
+# an optional extra string indicating the catpath associated with the
+# manpath. If no catpath string is used, the catpath will default to the
+# given manpath.
+#
+# You *must* provide all system manpaths, including manpaths for alternate
+# operating systems, locale specific manpaths, and combinations of both, if
+# they exist, otherwise the permissions of the user running man/mandb will
+# be used to manipulate the manual pages. Also, mandb will not initialise
+# the database cache for any manpaths not mentioned below unless explicitly
+# requested to do so.
+#
+# In a per-user configuration file, this directive only controls the
+# location of catpaths and the creation of database caches; it has no effect
+# on privileges.
+#
+# Any manpaths that are subdirectories of other manpaths must be mentioned
+# *before* the containing manpath. E.g. /usr/man/preformat must be listed
+# before /usr/man.
+#
+#		*MANPATH*     ->	*CATPATH*
+#
+MANDB_MAP	/usr/man		/var/cache/man/fsstnd
+MANDB_MAP	/usr/share/man		/var/cache/man
+MANDB_MAP	/usr/local/man		/var/cache/man/oldlocal
+MANDB_MAP	/usr/local/share/man	/var/cache/man/local
+MANDB_MAP	/usr/X11R6/man		/var/cache/man/X11R6
+MANDB_MAP	/opt/man		/var/cache/man/opt
+MANDB_MAP	@snapdir@/man		/var/cache/man/snap
+#
+#---------------------------------------------------------
+# Program definitions.  These are commented out by default as the value
+# of the definition is already the default.  To change: uncomment a
+# definition and modify it.
+#
+#DEFINE 	pager	@pager@
+#DEFINE 	cat	@cat@
+#DEFINE 	tr	@tr@ '\255\267\264\327' '\055\157\047\170'
+#DEFINE		grep	@grep@
+#DEFINE 	troff 	@troff@
+#DEFINE 	nroff 	@nroff@
+#DEFINE 	eqn 	@eqn@
+#DEFINE 	neqn	@neqn@
+#DEFINE 	tbl 	@tbl@
+#DEFINE 	col 	@col@
+#DEFINE 	vgrind 	@vgrind@
+#DEFINE 	refer 	@refer@
+#DEFINE 	grap 	@grap@
+#DEFINE 	pic 	@pic@
+#
+#DEFINE		compressor	@compressor@
+#---------------------------------------------------------
+# Misc definitions: same as program definitions above.
+#
+#DEFINE		whatis_grep_flags		-i
+#DEFINE		apropos_grep_flags		-iEw
+#DEFINE		apropos_regex_grep_flags	-iE
+#---------------------------------------------------------
+# Section names. Manual sections will be searched in the order listed here;
+# the default is 1, n, l, 8, 3, 0, 2, 3type, 5, 4, 9, 6, 7. Multiple SECTION
+# directives may be given for clarity, and will be concatenated together in
+# the expected way.
+# If a particular extension is not in this list (say, 1mh), it will be
+# displayed with the rest of the section it belongs to. The effect of this
+# is that you only need to explicitly list extensions if you want to force a
+# particular order. Sections with extensions should usually be adjacent to
+# their main section (e.g. "1 1mh 8 ...").
+#
+SECTION		@sections@
+#
+#---------------------------------------------------------
+# Range of terminal widths permitted when displaying cat pages. If the
+# terminal falls outside this range, cat pages will not be created (if
+# missing) or displayed.
+#
+#MINCATWIDTH	80
+#MAXCATWIDTH	80
+#
+# If CATWIDTH is set to a non-zero number, cat pages will always be
+# formatted for a terminal of the given width, regardless of the width of
+# the terminal actually being used. This should generally be within the
+# range set by MINCATWIDTH and MAXCATWIDTH.
+#
+#CATWIDTH	0
+#
+#---------------------------------------------------------
+# Flags.
+# NOCACHE keeps man from creating cat pages.
+#NOCACHE
diff --git a/src/manconv.c b/src/manconv.c
new file mode 100644
index 0000000..e775b1b
--- /dev/null
+++ b/src/manconv.c
@@ -0,0 +1,570 @@
+/*
+ * manconv.c: convert manual page from one encoding to another
+ *
+ * Copyright (C) 2007, 2008, 2009, 2010, 2012 Colin Watson.
+ * Based loosely on parts of glibc's iconv_prog.c, which is:
+ * Copyright (C) 1998-2004, 2005, 2006, 2007 Free Software Foundation, Inc.
+ *
+ * This file is part of man-db.
+ *
+ * man-db is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * man-db is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with man-db; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+
+/* This program arose during a discussion with Adam Borowski. See:
+ *   https://lists.debian.org/debian-mentors/2007/09/msg00245.html
+ * It behaves like iconv, but allows multiple source encodings and
+ * attempts to guess the first one that works. An Emacs-style
+ * "-*- coding:" declaration overrides this.
+ */
+
+#ifdef HAVE_CONFIG_H
+#  include "config.h"
+#endif /* HAVE_CONFIG_H */
+
+#include <assert.h>
+#include <stdio.h>
+#include <errno.h>
+#include <stdlib.h>
+#include <string.h>
+#include <stdbool.h>
+#include <stdint.h>
+#include <unistd.h>
+
+#ifdef HAVE_ICONV
+#  include <iconv.h>
+#endif /* HAVE_ICONV */
+
+#include "argp.h"
+#include "attribute.h"
+#include "error.h"
+#include "gl_list.h"
+#include "xalloc.h"
+#include "xstrndup.h"
+#include "xvasprintf.h"
+
+#include "gettext.h"
+#include <locale.h>
+#define _(String) gettext (String)
+
+#include "manconfig.h"
+
+#include "debug.h"
+#include "fatal.h"
+#include "glcontainers.h"
+
+#include "decompress.h"
+#include "manconv.h"
+
+/* Encoding conversions from groff-1.20/src/preproc/preconv/preconv.cpp.
+ * I've only included those not already recognised by GNU libiconv.
+ */
+struct conversion_entry {
+	const char *from;
+	const char *to;
+};
+
+static struct conversion_entry conversion_table[] = {
+	{ "chinese-big5",			"Big5" },
+	{ "chinese-euc",			"GB2312" },
+	{ "chinese-iso-8bit",			"GB2312" },
+	{ "cn-gb-2312",				"GB2312" },
+	{ "cp878",				"KOI8-R" },
+	{ "cyrillic-iso-8bit",			"ISO-8859-5" },
+	{ "cyrillic-koi8",			"KOI8-R" },
+	{ "euc-china",				"GB2312" },
+	{ "euc-japan",				"EUC-JP" },
+	{ "euc-japan-1990",			"EUC-JP" },
+	{ "euc-kr",				"EUC-KR" },
+	{ "greek-iso-8bit",			"ISO-8859-7" },
+	{ "iso-latin-1",			"ISO-8859-1" },
+	{ "iso-latin-2",			"ISO-8859-2" },
+	{ "iso-latin-5",			"ISO-8859-9" },
+	{ "iso-latin-7",			"ISO-8859-13" },
+	{ "iso-latin-9",			"ISO-8859-15" },
+	{ "japanese-iso-8bit",			"EUC-JP" },
+	{ "japanese-euc",			"EUC-JP" },
+	{ "jis8",				"EUC-JP" },
+	{ "korean-euc",				"EUC-KR" },
+	{ "korean-iso-8bit",			"EUC-KR" },
+	{ "latin-0",				"ISO-8859-15" },
+	{ "latin-1",				"ISO-8859-1" },
+	{ "latin-2",				"ISO-8859-2" },
+	{ "latin-5",				"ISO-8859-9" },
+	{ "latin-7",				"ISO-8859-13" },
+	{ "mule-utf-16",			"UTF-16" },
+	{ "mule-utf-16be",			"UTF-16BE" },
+	{ "mule-utf-16-be",			"UTF-16BE" },
+	{ "mule-utf-16be-with-signature",	"UTF-16" },
+	{ "mule-utf-16le",			"UTF-16LE" },
+	{ "mule-utf-16-le",			"UTF-16LE" },
+	{ "mule-utf-16le-with-signature",	"UTF-16" },
+	{ "mule-utf-8",				"UTF-8" },
+	{ "utf-16-be",				"UTF-16BE" },
+	{ "utf-16be-with-signature",		"UTF-16" },
+	{ "utf-16-be-with-signature",		"UTF-16" },
+	{ "utf-16-le",				"UTF-16LE" },
+	{ "utf-16le-with-signature",		"UTF-16" },
+	{ "utf-16-le-with-signature",		"UTF-16" },
+	{ NULL,					NULL }
+};
+
+/* Convert Emacs-style coding tags to ones that libiconv understands. */
+static char *convert_encoding (char *encoding)
+{
+	size_t encoding_len = strlen (encoding);
+	const struct conversion_entry *entry;
+
+#define STRIP(s, l) do { \
+	if (encoding_len > (l) && \
+	    !strcasecmp (encoding + encoding_len - (l), (s))) \
+		encoding[encoding_len - (l)] = '\0'; \
+} while (0)
+
+	STRIP ("-dos", 4);
+	STRIP ("-mac", 4);
+	STRIP ("-unix", 5);
+
+#undef STRIP
+
+	for (entry = conversion_table; entry->from; ++entry)
+		if (!strcasecmp (entry->from, encoding)) {
+			free (encoding);
+			return xstrdup (entry->to);
+		}
+
+	return encoding;
+}
+
+/* Inspect the first line of data from a decompressor for preprocessor
+ * encoding declarations.
+ *
+ * If to_encoding and modified_line are both non-NULL, and if the encoding
+ * declaration in the input does not match to_encoding, then return an
+ * encoding declaration line modified to refer to the given to_encoding in
+ * *modified_line.  The caller should free *modified_line.
+ */
+char *check_preprocessor_encoding (decompress *decomp, const char *to_encoding,
+				   char **modified_line)
+{
+	char *pp_encoding = NULL;
+	const char *line = decompress_peekline (decomp);
+	const char *directive = NULL, *directive_end = NULL, *pp_search = NULL;
+	size_t pp_encoding_len = 0;
+
+	/* Some people use .\" incorrectly. We allow it for encoding
+	 * declarations but not for preprocessor declarations.
+	 */
+	if (line &&
+	    (STRNEQ (line, PP_COOKIE, 4) || STRNEQ (line, ".\\\" ", 4))) {
+		const char *newline = strchr (line, '\n');
+
+		directive = line + 4;
+		directive_end = newline ? newline : strchr (directive, '\0');
+		pp_search = memmem (directive, directive_end - directive,
+				    "-*-", 3);
+	}
+
+	if (directive && pp_search) {
+		pp_search += 3;
+		while (pp_search && pp_search < directive_end && *pp_search) {
+			while (*pp_search == ' ')
+				++pp_search;
+			if (STRNEQ (pp_search, "coding:", 7)) {
+				const char *pp_encoding_allow;
+				pp_search += 7;
+				while (*pp_search == ' ')
+					++pp_search;
+				pp_encoding_allow = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
+						    "abcdefghijklmnopqrstuvwxyz"
+						    "0123456789-_/:.()";
+				pp_encoding_len = strspn (pp_search,
+							  pp_encoding_allow);
+				pp_encoding = xstrndup (pp_search,
+							pp_encoding_len);
+				pp_encoding = convert_encoding (pp_encoding);
+				debug ("preprocessor encoding: %s\n",
+				       pp_encoding);
+				break;
+			} else {
+				pp_search = memchr (pp_search, ';',
+						    directive_end - pp_search);
+				if (pp_search)
+					++pp_search;
+			}
+		}
+	}
+
+	if (to_encoding && modified_line &&
+	    pp_encoding && strcasecmp (pp_encoding, to_encoding)) {
+		assert (directive_end);
+		assert (pp_search);
+		*modified_line = xasprintf
+			("%.*s%s%.*s\n",
+			 (int) (pp_search - line), line,
+			 to_encoding,
+			 (int) (directive_end - (pp_search + pp_encoding_len)),
+			 pp_search + pp_encoding_len);
+	}
+
+	return pp_encoding;
+}
+
+static int add_output (const char *inbuf, size_t inlen,
+		       struct manconv_outbuf *outbuf)
+{
+	int ret = 0;
+
+	if (outbuf) {
+		if (outbuf->len + inlen >= outbuf->max)
+			fatal (0, "out of space in output buffer");
+		memcpy (outbuf->buf + outbuf->len, inbuf, inlen);
+		outbuf->len += inlen;
+	} else {
+		int errno_save = errno;
+		if (fwrite (inbuf, 1, inlen, stdout) < inlen ||
+		    ferror (stdout)) {
+			error (0, 0, _("can't write to standard output"));
+			ret = -1;
+		}
+		errno = errno_save;
+	}
+
+	return ret;
+}
+
+#ifdef HAVE_ICONV
+
+/* When converting text containing an invalid multibyte sequence to
+ * UTF-8//IGNORE, GNU libc's iconv returns EILSEQ but sets *inbuf to the end
+ * of the input buffer.  I'm not sure whether this is a bug or not (it seems
+ * to contradict the documentation), but work around it anyway by recoding
+ * to UTF-8 so that we can accurately position the error.
+ */
+static off_t locate_error (const char *try_from_code,
+			   const char *input, size_t input_size,
+			   char *utf8, size_t utf8_size)
+{
+	iconv_t cd_utf8_strict;
+	char *inptr = (char *) input, *utf8ptr = utf8;
+	size_t inleft = input_size, utf8left = utf8_size;
+	size_t n;
+	off_t ret;
+
+	cd_utf8_strict = iconv_open ("UTF-8", try_from_code);
+	if (cd_utf8_strict == (iconv_t) -1) {
+		error (0, errno, "iconv_open (\"UTF-8\", \"%s\")",
+		       try_from_code);
+		return 0;
+	}
+
+	n = iconv (cd_utf8_strict, (ICONV_CONST char **) &inptr, &inleft,
+		   &utf8ptr, &utf8left);
+	if (n == (size_t) -1)
+		ret = inptr - input;
+	else
+		ret = 0;
+
+	iconv_close (cd_utf8_strict);
+
+	return ret;
+}
+
+typedef enum {
+	TRIED_ICONV_OK = 0,
+	TRIED_ICONV_ERROR = -1,  /* can continue with another encoding */
+	TRIED_ICONV_FATAL = -2   /* must give up */
+} tried_iconv;
+
+static tried_iconv try_iconv (decompress *decomp, const char *try_from_code,
+			      const char *to, bool last,
+			      struct manconv_outbuf *outbuf)
+{
+	char *try_to_code = xstrdup (to);
+	static const size_t buf_size = 65536;
+	size_t input_size = buf_size;
+	off_t input_pos = 0;
+	const char *input;
+	static char *utf8 = NULL, *output = NULL;
+	size_t utf8left = 0;
+	iconv_t cd_utf8, cd = NULL;
+	bool to_utf8 = STREQ (try_to_code, "UTF-8") ||
+		       STRNEQ (try_to_code, "UTF-8//", 7);
+	const char *utf8_target = last ? "UTF-8//IGNORE" : "UTF-8";
+	bool ignore_errors = (strstr (try_to_code, "//IGNORE") != NULL);
+	tried_iconv ret = TRIED_ICONV_OK;
+
+	debug ("trying encoding %s -> %s\n", try_from_code, try_to_code);
+
+	cd_utf8 = iconv_open (utf8_target, try_from_code);
+	if (cd_utf8 == (iconv_t) -1) {
+		error (0, errno, "iconv_open (\"%s\", \"%s\")",
+		       utf8_target, try_from_code);
+		free (try_to_code);
+		return TRIED_ICONV_ERROR;
+	}
+
+	if (!to_utf8) {
+		cd = iconv_open (try_to_code, "UTF-8");
+		if (cd == (iconv_t) -1) {
+			error (0, errno, "iconv_open (\"%s\", \"UTF-8\")",
+			       try_to_code);
+			free (try_to_code);
+			return TRIED_ICONV_ERROR;
+		}
+	}
+
+	input = decompress_peek (decomp, &input_size);
+	if (input_size < buf_size) {
+		/* End of file, error, or just a short read? Repeat until we
+		 * have either a full buffer or EOF/error.
+		 */
+		while (input_size < buf_size) {
+			size_t old_input_size = input_size;
+			input_size = buf_size;
+			input = decompress_peek (decomp, &input_size);
+			if (input_size == old_input_size)
+				break;
+		}
+	}
+
+	if (!utf8)
+		utf8 = xmalloc (buf_size);
+	if (!output)
+		output = xmalloc (buf_size);
+
+	while (input_size || utf8left) {
+		int handle_iconv_errors = 0;
+		char *inptr = (char *) input, *utf8ptr = utf8, *outptr;
+		size_t inleft = input_size, outleft;
+		size_t n, n2 = -1;
+
+		if (!utf8left) {
+			/* First, convert the text to UTF-8. By assumption,
+			 * all validly-encoded text can be converted to
+			 * UTF-8 assuming that we picked the correct
+			 * encoding. Any errors at this stage are due to
+			 * selecting an incorrect encoding, or due to
+			 * misencoded source text.
+			 */
+			utf8left = buf_size;
+			n = iconv (cd_utf8, (ICONV_CONST char **) &inptr,
+				   &inleft, &utf8ptr, &utf8left);
+			utf8left = buf_size - utf8left;
+
+			/* If we need to try the next encoding, do that
+			 * before writing anything.
+			 */
+			if (!last && n == (size_t) -1 &&
+			    (errno == EILSEQ ||
+			     (errno == EINVAL && input_size < buf_size))) {
+				ret = TRIED_ICONV_ERROR;
+				break;
+			} else if (n == (size_t) -1)
+				handle_iconv_errors = errno;
+		}
+
+		/* If the target encoding is UTF-8 (the common case), then
+		 * we can just write out what we've got. Otherwise, we need
+		 * to convert to the target encoding. Any errors at this
+		 * stage are due to characters that are not representable in
+		 * the target encoding.
+		 */
+		if (handle_iconv_errors)
+			/* Fall back to error handling below.  If we have
+			 * anything to write out, we'll do it next time
+			 * round the loop.
+			 */
+			outptr = output;
+		else if (to_utf8) {
+			memcpy (output, utf8, utf8left);
+			outptr = output + utf8left;
+			outleft = utf8left;
+			utf8left = 0;
+		} else if (utf8left) {
+			outptr = output;
+			outleft = buf_size;
+			utf8ptr = utf8;
+			n2 = iconv (
+				cd, (ICONV_CONST char **) &utf8ptr, &utf8left,
+				&outptr, &outleft);
+			outleft = buf_size - outleft;
+			if (n2 == (size_t) -1)
+				handle_iconv_errors = errno;
+
+			if (n2 == (size_t) -1 &&
+			    errno == EILSEQ && ignore_errors)
+				errno = 0;
+		} else
+			/* We appear to have converted some input text, but
+			 * not actually ended up with any UTF-8 text.  This
+			 * is odd.  However, we can at least continue round
+			 * the loop, skip the input text we converted, and
+			 * then we should get a different result next time.
+			 */
+			outptr = output;
+
+		if (outptr != output) {
+			/* We have something to write out. */
+			if (add_output (output, outleft, outbuf) != 0) {
+				ret = TRIED_ICONV_FATAL;
+				goto out;
+			}
+		}
+
+		if (!to_utf8 && n2 != (size_t) -1) {
+			/* All the UTF-8 text we have so far was processed.
+			 * For state-dependent character sets we have to
+			 * flush the state now.
+			 */
+			outptr = output;
+			outleft = buf_size;
+			iconv (cd, NULL, NULL, &outptr, &outleft);
+			outleft = buf_size - outleft;
+
+			if (outptr != output) {
+				/* We have something to write out. */
+				if (add_output (output, outleft,
+						outbuf) != 0) {
+					ret = TRIED_ICONV_FATAL;
+					goto out;
+				}
+			}
+		} else if (handle_iconv_errors) {
+			intmax_t error_pos;
+
+			if (handle_iconv_errors == EILSEQ && !ignore_errors) {
+				if (!quiet) {
+					error_pos = input_pos + locate_error (
+						try_from_code,
+						input, input_size,
+						utf8, buf_size);
+					error (0, handle_iconv_errors,
+					       "byte %jd: iconv", error_pos);
+				}
+				ret = TRIED_ICONV_FATAL;
+				goto out;
+			} else if (handle_iconv_errors == EINVAL &&
+				   input_size < buf_size) {
+				if (!quiet) {
+					error_pos = input_pos + locate_error (
+						try_from_code,
+						input, input_size,
+						utf8, buf_size);
+					error (0, 0, "byte %jd: %s", error_pos,
+					       _("iconv: incomplete character "
+						 "at end of buffer"));
+				}
+				ret = TRIED_ICONV_FATAL;
+				goto out;
+			}
+		}
+
+		if (inptr != input) {
+			decompress_peek_skip (decomp, input_size - inleft);
+			input_pos += input_size - inleft;
+		}
+
+		/* Unless we have some UTF-8 text left (which will only
+		 * happen if the output encoding is more verbose than UTF-8,
+		 * so is unlikely for legacy encodings), we need to fetch
+		 * more input text now.
+		 */
+		if (!utf8left) {
+			input_size = buf_size;
+			input = decompress_peek (decomp, &input_size);
+			while (input_size < buf_size) {
+				size_t old_input_size = input_size;
+				input_size = buf_size;
+				input = decompress_peek (decomp, &input_size);
+				if (input_size == old_input_size)
+					break;
+			}
+		}
+	}
+
+out:
+	if (!to_utf8)
+		iconv_close (cd);
+	iconv_close (cd_utf8);
+	free (try_to_code);
+
+	return ret;
+}
+
+int manconv (decompress *decomp, gl_list_t from, const char *to,
+	     struct manconv_outbuf *outbuf)
+{
+	char *pp_encoding;
+	const char *try_from_code;
+	char *plain_to, *modified_pp_line = NULL;
+	tried_iconv tried;
+	int ret = 0;
+
+	plain_to = xstrndup (to, strcspn (to, "/"));
+	pp_encoding = check_preprocessor_encoding
+		(decomp, plain_to, &modified_pp_line);
+	if (pp_encoding) {
+		if (modified_pp_line) {
+			size_t len = strlen (modified_pp_line);
+			decompress_readline (decomp);
+			if (add_output (modified_pp_line, len, outbuf) != 0) {
+				ret = -1;
+				goto out;
+			}
+		}
+		tried = try_iconv (decomp, pp_encoding, to, 1, outbuf);
+		if (tried == TRIED_ICONV_FATAL)
+			ret = -1;
+	} else {
+		GL_LIST_FOREACH (from, try_from_code) {
+			bool last = !gl_list_next_node (from, from_node);
+			tried = try_iconv (decomp, try_from_code, to, last,
+					   outbuf);
+			if (tried == TRIED_ICONV_OK)
+				break;
+			else if (tried == TRIED_ICONV_FATAL) {
+				ret = -1;
+				goto out;
+			}
+		}
+	}
+
+out:
+	free (modified_pp_line);
+	free (pp_encoding);
+	free (plain_to);
+	return ret;
+}
+
+#else /* !HAVE_ICONV */
+
+/* If we don't have iconv, there isn't much we can do; just pass everything
+ * through unchanged.
+ */
+int manconv (decompress *decomp, gl_list_t from MAYBE_UNUSED,
+	     const char *to MAYBE_UNUSED, struct manconv_outbuf *outbuf)
+{
+	for (;;) {
+		size_t len = 4096;
+		const char *buffer = decompress_read (decomp, &len);
+		if (len == 0)
+			break;
+		if (add_output (buffer, len, outbuf) != 0)
+			return -1;
+	}
+	return 0;
+}
+
+#endif /* HAVE_ICONV */
diff --git a/src/manconv.h b/src/manconv.h
new file mode 100644
index 0000000..8ac261e
--- /dev/null
+++ b/src/manconv.h
@@ -0,0 +1,35 @@
+/*
+ * manconv.h: interface to converting manual page from one encoding to another
+ *
+ * Copyright (C) 2008 Colin Watson.
+ *
+ * This file is part of man-db.
+ *
+ * man-db is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * man-db is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with man-db; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+
+#include "gl_list.h"
+
+#include "decompress.h"
+
+struct manconv_outbuf {
+	char *buf;
+	size_t len, max;
+};
+
+char *check_preprocessor_encoding (decompress *decomp, const char *to_code,
+				   char **modified_line);
+int manconv (decompress *decomp, gl_list_t from, const char *to,
+	     struct manconv_outbuf *outbuf);
diff --git a/src/manconv_client.c b/src/manconv_client.c
new file mode 100644
index 0000000..7cdb1b8
--- /dev/null
+++ b/src/manconv_client.c
@@ -0,0 +1,218 @@
+/*
+ * manconv_client.c: use manconv in a pipeline
+ *
+ * Copyright (C) 2007, 2008, 2010 Colin Watson.
+ *
+ * This file is part of man-db.
+ *
+ * man-db is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * man-db is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with man-db; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+
+#ifdef HAVE_CONFIG_H
+#  include "config.h"
+#endif /* HAVE_CONFIG_H */
+
+#include <string.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+#include "gl_array_list.h"
+#include "gl_xlist.h"
+#include "xalloc.h"
+#include "xvasprintf.h"
+
+#include "manconfig.h"
+
+#include "pipeline.h"
+
+#include "appendstr.h"
+#include "glcontainers.h"
+#include "sandbox.h"
+#include "security.h"
+
+#include "decompress.h"
+#include "manconv.h"
+#include "manconv_client.h"
+#include "utf8.h"
+
+extern man_sandbox *sandbox;
+
+struct manconv_codes {
+	gl_list_t from;
+	char *to;
+};
+
+static void manconv_stdin (void *data)
+{
+	struct manconv_codes *codes = data;
+	decompress *decomp;
+
+	decomp = decompress_fdopen (dup (STDIN_FILENO));
+	decompress_start (decomp);
+	if (manconv (decomp, codes->from, codes->to, NULL) != 0)
+		/* manconv already wrote an error message to stderr.  Just
+		 * exit non-zero.
+		 */
+		exit (FATAL);
+	decompress_wait (decomp);
+	decompress_free (decomp);
+}
+
+static void manconv_pre_exec (void *data)
+{
+	/* We must drop privileges before loading the sandbox, since our
+	 * seccomp filter doesn't allow setresuid and friends.
+	 */
+	drop_privs (NULL);
+	sandbox_load (data);
+}
+
+static void free_manconv_codes (void *data)
+{
+	struct manconv_codes *codes = data;
+
+	gl_list_free (codes->from);
+	free (codes->to);
+	free (codes);
+}
+
+void add_manconv (pipeline *p,
+		  const char *source_encoding, const char *target_encoding)
+{
+	struct manconv_codes *codes;
+	char *name;
+	pipecmd *cmd;
+
+	if (STREQ (source_encoding, target_encoding))
+		return;
+
+	codes = xmalloc (sizeof *codes);
+	/* informational only; no shell quoting concerns */
+	name = xasprintf ("%s -f ", MANCONV);
+	codes->from = new_string_list (GL_ARRAY_LIST, true);
+	if (STREQ (source_encoding, "UTF-8")) {
+		gl_list_add_last (codes->from, xstrdup (source_encoding));
+		name = appendstr (name, source_encoding, (void *) 0);
+	} else {
+		gl_list_add_last (codes->from, xstrdup ("UTF-8"));
+		gl_list_add_last (codes->from, xstrdup (source_encoding));
+		name = appendstr (name, "UTF-8:", source_encoding, (void *) 0);
+	}
+	codes->to = xasprintf ("%s//IGNORE", target_encoding);
+	/* informational only; no shell quoting concerns */
+	name = appendstr (name, " -t ", codes->to, (void *) 0);
+	if (quiet >= 2)
+		name = appendstr (name, " -q", (void *) 0);
+
+	/* iconv_open may not work correctly in setuid processes; in GNU
+	 * libc, gconv modules may be linked against other gconv modules and
+	 * rely on RPATH $ORIGIN to load those modules from the correct
+	 * path, but $ORIGIN is disabled in setuid processes.  It is
+	 * impossible to reset libc's idea of setuidness without creating a
+	 * whole new process image.  Therefore, if the calling process is
+	 * setuid, we must drop privileges and execute manconv.
+	 */
+	if (running_setuid ()) {
+		gl_list_t from = codes->from;
+		const char *from_code;
+		char *sources = NULL;
+
+		cmd = pipecmd_new_args (MANCONV, "-f", (void *) 0);
+		GL_LIST_FOREACH (from, from_code) {
+			sources = appendstr (sources, from_code, (void *) 0);
+			if (gl_list_next_node (from, from_node))
+				sources = appendstr (sources, ":", (void *) 0);
+		}
+		pipecmd_arg (cmd, sources);
+		free (sources);
+		pipecmd_args (cmd, "-t", codes->to, (void *) 0);
+		if (quiet >= 2)
+			pipecmd_arg (cmd, "-q");
+		pipecmd_pre_exec (cmd, manconv_pre_exec, sandbox_free,
+				  sandbox);
+		free_manconv_codes (codes);
+	} else {
+		cmd = pipecmd_new_function (name, &manconv_stdin,
+					    &free_manconv_codes, codes);
+		pipecmd_pre_exec (cmd, sandbox_load, sandbox_free, sandbox);
+	}
+	free (name);
+	pipeline_command (p, cmd);
+}
+
+/* Convert the result of in-process decompression to a target encoding.
+ *
+ * This converts the buffered result of decompression to a new buffer, then
+ * replaces the decompress object's buffer with the converted one for use by
+ * later stages of processing.
+ *
+ * Returns zero on success or non-zero on failure.
+ */
+int manconv_inprocess (decompress *d,
+		       const char *source_encoding,
+		       const char *target_encoding)
+{
+	gl_list_t from;
+	char *to;
+	struct manconv_outbuf outbuf;
+	int ret = 0;
+
+	if (STREQ (source_encoding, target_encoding))
+		return 0;
+
+	from = new_string_list (GL_ARRAY_LIST, true);
+	if (STREQ (source_encoding, "UTF-8"))
+		gl_list_add_last (from, xstrdup (source_encoding));
+	else {
+		if (STREQ (target_encoding, "UTF-8")) {
+			/* If the target encoding is UTF-8, then instead of
+			 * starting with trial conversion from UTF-8 to
+			 * UTF-8, we can start by simply performing UTF-8
+			 * validation, avoiding a copy.  (The source
+			 * encoding cannot be UTF-8 in this case, since we
+			 * already checked that the source and target
+			 * encodings are different.)
+			 */
+			if (utf8_validate_len (decompress_inprocess_buf (d),
+					       decompress_inprocess_len (d)))
+				goto out;
+		} else
+			gl_list_add_last (from, xstrdup ("UTF-8"));
+		gl_list_add_last (from, xstrdup (source_encoding));
+	}
+	to = xasprintf ("%s//IGNORE", target_encoding);
+
+	outbuf.len = 0;
+	/* UTF-8 uses at most four bytes per Unicode code point.  We assume
+	 * that this conversion will be no worse than 1:4.
+	 */
+	outbuf.max = decompress_inprocess_len (d) * 4;
+	outbuf.buf = xmalloc (outbuf.max);
+
+	if (manconv (d, from, to, &outbuf) == 0)
+		decompress_inprocess_replace (d, outbuf.buf, outbuf.len);
+	else {
+		/* manconv already wrote an error message to stderr.  Just
+		 * return non-zero.
+		 */
+		free (outbuf.buf);
+		ret = -1;
+	}
+
+	free (to);
+out:
+	gl_list_free (from);
+	return ret;
+}
diff --git a/src/manconv_client.h b/src/manconv_client.h
new file mode 100644
index 0000000..cd93db9
--- /dev/null
+++ b/src/manconv_client.h
@@ -0,0 +1,31 @@
+/*
+ * manconv_client.h: interface to using manconv in a pipeline
+ *
+ * Copyright (C) 2007 Colin Watson.
+ *
+ * This file is part of man-db.
+ *
+ * man-db is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * man-db is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with man-db; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+
+#include "pipeline.h"
+
+#include "decompress.h"
+
+void add_manconv (struct pipeline *p,
+		  const char *source_encoding, const char *target_encoding);
+int manconv_inprocess (decompress *d,
+		       const char *source_encoding,
+		       const char *target_encoding);
diff --git a/src/manconv_main.c b/src/manconv_main.c
new file mode 100644
index 0000000..e0d9972
--- /dev/null
+++ b/src/manconv_main.c
@@ -0,0 +1,209 @@
+/*
+ * manconv_main.c: convert manual page from one encoding to another
+ *
+ * Copyright (C) 2007, 2008 Colin Watson.
+ *
+ * This file is part of man-db.
+ *
+ * man-db is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * man-db is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with man-db; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+
+#ifdef HAVE_CONFIG_H
+#  include "config.h"
+#endif /* HAVE_CONFIG_H */
+
+#include <assert.h>
+#include <stdbool.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#include "argp.h"
+#include "error.h"
+#include "gl_array_list.h"
+#include "gl_xlist.h"
+#include "progname.h"
+#include "xalloc.h"
+
+#include "gettext.h"
+#define _(String) gettext (String)
+#define N_(String) gettext_noop (String)
+
+#include "manconfig.h"
+
+#include "appendstr.h"
+#include "cleanup.h"
+#include "debug.h"
+#include "encodings.h"
+#include "pipeline.h"
+#include "glcontainers.h"
+#include "sandbox.h"
+#include "util.h"
+
+#include "decompress.h"
+#include "manconv.h"
+
+int quiet = 0;
+man_sandbox *sandbox;
+
+static const char *from_codes;
+static char *to_code;
+static gl_list_t from_code;
+static const char *filename;
+
+static gl_list_t split_codes (const char *codestr)
+{
+	char *codestrtok, *codestrtok_ptr;
+	char *tok;
+	gl_list_t codelist = new_string_list (GL_ARRAY_LIST, true);
+
+	if (!codestr)
+		return codelist;
+
+	codestrtok = xstrdup (codestr);
+	codestrtok_ptr = codestrtok;
+
+	for (tok = strsep (&codestrtok_ptr, ":"); tok;
+	     tok = strsep (&codestrtok_ptr, ":")) {
+		if (!*tok)
+			continue;	/* ignore empty fields */
+		gl_list_add_last (codelist, xstrdup (tok));
+	}
+
+	free (codestrtok);
+
+	return codelist;
+}
+
+const char *argp_program_version = "manconv " PACKAGE_VERSION;
+const char *argp_program_bug_address = PACKAGE_BUGREPORT;
+error_t argp_err_exit_status = FAIL;
+
+static const char args_doc[] = N_("[-f CODE[:...]] -t CODE [FILENAME]");
+
+static struct argp_option options[] = {
+	OPT ("from-code", 'f', N_("CODE[:...]"),
+	     N_("possible encodings of original text")),
+	OPT ("to-code", 't', N_("CODE"), N_("encoding for output")),
+	OPT ("debug", 'd', 0, N_("emit debugging messages")),
+	OPT ("quiet", 'q', 0, N_("produce fewer warnings")),
+	OPT_HELP_COMPAT,
+	{ 0 }
+};
+
+static error_t parse_opt (int key, char *arg, struct argp_state *state)
+{
+	switch (key) {
+		case 'f':
+			from_codes = arg;
+			return 0;
+		case 't':
+			to_code = xstrdup (arg);
+			if (!strstr (to_code, "//"))
+				to_code = appendstr (to_code, "//TRANSLIT",
+						     (void *) 0);
+			return 0;
+		case 'd':
+			debug_level = true;
+			return 0;
+		case 'q':
+			quiet = 1;
+			return 0;
+		case 'h':
+			argp_state_help (state, state->out_stream,
+					 ARGP_HELP_STD_HELP);
+			break;
+		case ARGP_KEY_ARG:
+			if (filename)
+				argp_usage (state);
+			filename = arg;
+			return 0;
+		case ARGP_KEY_SUCCESS:
+			if (!to_code)
+				argp_error (state,
+					    _("must specify an output "
+					      "encoding"));
+			from_code = split_codes (from_codes);
+			return 0;
+	}
+	return ARGP_ERR_UNKNOWN;
+}
+
+static struct argp argp = { options, parse_opt, args_doc };
+
+int main (int argc, char *argv[])
+{
+	decompress *decomp;
+
+	set_program_name (argv[0]);
+
+	init_debug ();
+	pipeline_install_post_fork (pop_all_cleanups);
+	sandbox = sandbox_init ();
+	init_locale ();
+
+	if (argp_parse (&argp, argc, argv, 0, 0, 0))
+		exit (FAIL);
+	assert (from_code);
+
+	if (filename) {
+		decomp = decompress_open (filename, 0);
+		if (!decomp)
+			error (FAIL, 0, _("can't open %s"), filename);
+	} else
+		decomp = decompress_fdopen (dup (STDIN_FILENO));
+	decompress_start (decomp);
+
+	if (!gl_list_size (from_code)) {
+		char *lang, *page_encoding;
+
+		/* Note that we don't need to explicitly check the page's
+		 * preprocessor encoding here, as the manconv function will
+		 * do that itself and override the requested input encoding
+		 * with it if it finds one.
+		 */
+		lang = lang_dir (filename);
+		page_encoding = get_page_encoding (lang);
+		if (STREQ (page_encoding, "UTF-8")) {
+			/* Steal memory. */
+			gl_list_add_last (from_code, page_encoding);
+			debug ("guessed input encoding %s for %s\n",
+			       page_encoding, filename);
+		} else {
+			gl_list_add_last (from_code, xstrdup ("UTF-8"));
+			/* Steal memory. */
+			gl_list_add_last (from_code, page_encoding);
+			debug ("guessed input encodings UTF-8:%s for %s\n",
+			       page_encoding, filename);
+		}
+
+		free (lang);
+	}
+
+	if (manconv (decomp, from_code, to_code, NULL) != 0)
+		/* manconv already wrote an error message to stderr.  Just
+		 * exit non-zero.
+		 */
+		exit (FATAL);
+
+	free (to_code);
+	gl_list_free (from_code);
+
+	decompress_wait (decomp);
+
+	sandbox_free (sandbox);
+
+	return 0;
+}
diff --git a/src/mandb.c b/src/mandb.c
new file mode 100644
index 0000000..07ea923
--- /dev/null
+++ b/src/mandb.c
@@ -0,0 +1,1034 @@
+/*
+ * mandb.c: used to create and initialise global man database.
+ *
+ * Copyright (C) 1994, 1995 Graeme W. Wilford. (Wilf.)
+ * Copyright (C) 2001, 2002, 2003, 2004, 2006, 2007, 2008, 2009, 2010, 2011,
+ *               2012 Colin Watson.
+ *
+ * This file is part of man-db.
+ *
+ * man-db is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * man-db is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with man-db; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ * Tue Apr 26 12:56:44 BST 1994  Wilf. (G.Wilford@ee.surrey.ac.uk)
+ *
+ * CJW: Security fixes. Make --test work. Purge old database entries.
+ */
+
+#ifdef HAVE_CONFIG_H
+#  include "config.h"
+#endif /* HAVE_CONFIG_H */
+
+#include <stdbool.h>
+#include <string.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <assert.h>
+#include <errno.h>
+#include <sys/types.h>
+#include <sys/stat.h>	/* for chmod() */
+#include <dirent.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <signal.h>
+
+#ifdef MAN_OWNER
+#  include <pwd.h>
+#endif /* MAN_OWNER */
+
+#include "argp.h"
+#include "dirname.h"
+#include "error.h"
+#include "gl_hash_map.h"
+#include "gl_list.h"
+#include "gl_xmap.h"
+#include "progname.h"
+#include "stat-time.h"
+#include "timespec.h"
+#include "utimens.h"
+#include "xalloc.h"
+#include "xgetcwd.h"
+#include "xvasprintf.h"
+
+#include "gettext.h"
+#define _(String) gettext (String)
+#define N_(String) gettext_noop (String)
+
+#include "manconfig.h"
+
+#include "cleanup.h"
+#include "debug.h"
+#include "filenames.h"
+#include "glcontainers.h"
+#include "pipeline.h"
+#include "sandbox.h"
+#include "security.h"
+#include "util.h"
+
+#include "db_storage.h"
+#include "mydbm.h"
+
+#include "check_mandirs.h"
+#include "manp.h"
+#include "straycats.h"
+
+int quiet = 1;
+extern bool opt_test;		/* don't update db */
+char *manp;
+extern char *extension;		/* for globbing.c */
+extern bool force_rescan;	/* for check_mandirs.c */
+static char *single_filename = NULL;
+extern char *user_config_file;	/* for manp.c */
+#ifdef MAN_OWNER
+struct passwd *man_owner;
+#endif
+man_sandbox *sandbox;
+
+static int purged = 0;
+static int strays = 0;
+
+static bool check_for_strays = true;
+static bool purge = true;
+static bool user;
+static bool create;
+static const char *arg_manp;
+
+struct tried_catdirs_entry {
+	char *manpath;
+	bool seen;
+};
+
+const char *argp_program_version = "mandb " PACKAGE_VERSION;
+const char *argp_program_bug_address = PACKAGE_BUGREPORT;
+error_t argp_err_exit_status = FAIL;
+
+static const char args_doc[] = N_("[MANPATH]");
+
+static struct argp_option options[] = {
+	OPT ("debug", 'd', 0, N_("emit debugging messages")),
+	OPT ("quiet", 'q', 0, N_("work quietly, except for 'bogus' warning")),
+	OPT ("no-straycats", 's', 0,
+	     N_("don't look for or add stray cats to the dbs")),
+	OPT ("no-purge", 'p', 0,
+	     N_("don't purge obsolete entries from the dbs")),
+	OPT ("user-db", 'u', 0, N_("produce user databases only")),
+	OPT ("create", 'c', 0,
+	     N_("create dbs from scratch, rather than updating")),
+	OPT ("test", 't', 0, N_("check manual pages for correctness")),
+	OPT ("filename", 'f', N_("FILENAME"),
+	     N_("update just the entry for this filename")),
+	OPT ("config-file", 'C', N_("FILE"),
+	     N_("use this user configuration file")),
+	OPT_HELP_COMPAT,
+	{ 0 }
+};
+
+static error_t parse_opt (int key, char *arg, struct argp_state *state)
+{
+	static int quiet_temp = 0;
+
+	switch (key) {
+		case 'd':
+			debug_level = true;
+			return 0;
+		case 'q':
+			++quiet_temp;
+			return 0;
+		case 's':
+			check_for_strays = false;
+			return 0;
+		case 'p':
+			purge = false;
+			return 0;
+		case 'u':
+			user = true;
+			return 0;
+		case 'c':
+			create = true;
+			purge = false;
+			return 0;
+		case 't':
+			opt_test = true;
+			return 0;
+		case 'f':
+			single_filename = arg;
+			create = false;
+			purge = false;
+			check_for_strays = false;
+			return 0;
+		case 'C':
+			user_config_file = arg;
+			return 0;
+		case 'h':
+			argp_state_help (state, state->out_stream,
+					 ARGP_HELP_STD_HELP);
+			break;
+		case ARGP_KEY_ARG:
+			if (arg_manp)
+				argp_usage (state);
+			arg_manp = arg;
+			return 0;
+		case ARGP_KEY_SUCCESS:
+			if (opt_test && !debug_level)
+				quiet = 1;
+			else if (quiet_temp == 1)
+				quiet = 2;
+			else
+				quiet = quiet_temp;
+			return 0;
+	}
+	return ARGP_ERR_UNKNOWN;
+}
+
+static struct argp argp = { options, parse_opt, args_doc };
+
+struct dbpaths {
+#ifdef NDBM
+#  ifdef BERKELEY_DB
+	char *dbfile;
+	char *tmpdbfile;
+#  else /* !BERKELEY_DB NDBM */
+	char *dirfile;
+	char *pagfile;
+	char *tmpdirfile;
+	char *tmppagfile;
+#  endif /* BERKELEY_DB */
+#else /* !NDBM */
+	char *xfile;
+	char *xtmpfile;
+#endif /* NDBM */
+};
+
+#ifdef MAN_OWNER
+extern uid_t ruid;
+extern uid_t euid;
+#endif /* MAN_OWNER */
+
+static gl_list_t manpathlist;
+
+extern int pages;
+
+/* remove() with error checking */
+static void check_remove (const char *path)
+{
+	if (remove (path) == -1 && errno != ENOENT)
+		error (0, errno, _("can't remove %s"), path);
+}
+
+/* rename() with error checking */
+static void check_rename (const char *from, const char *to)
+{
+	if (rename (from, to) == -1 && errno != ENOENT) {
+		error (0, errno, _("can't rename %s to %s"), from, to);
+		check_remove (from);
+	}
+}
+
+/* chmod() with error checking */
+static void check_chmod (const char *path, mode_t mode)
+{
+	if (chmod (path, mode) == -1) {
+		error (0, errno, _("can't chmod %s"), path);
+		check_remove (path);
+	}
+}
+
+/* CPhipps 2000/02/24 - Copy a file. */
+static int xcopy (const char *from, const char *to)
+{
+	FILE *ifp, *ofp;
+	struct stat st;
+	struct timespec times[2];
+	static const size_t buf_size = 32 * 1024;
+	char *buf;
+	int ret = 0;
+
+	ifp = fopen (from, "r");
+	if (!ifp) {
+		ret = -errno;
+		if (errno == ENOENT)
+			return 0;
+		error (0, errno, "fopen %s", from);
+		return ret;
+	}
+
+	if (fstat (fileno (ifp), &st) >= 0) {
+		times[0] = get_stat_atime (&st);
+		times[1] = get_stat_mtime (&st);
+	} else {
+		times[0].tv_sec = 0;
+		times[0].tv_nsec = UTIME_OMIT;
+		times[1].tv_sec = 0;
+		times[1].tv_nsec = UTIME_OMIT;
+	}
+
+	ofp = fopen (to, "w");
+	if (!ofp) {
+		ret = -errno;
+		error (0, errno, "fopen %s", to);
+		fclose (ifp);
+		return ret;
+	}
+
+	buf = xmalloc (buf_size);
+	while (!feof (ifp) && !ferror (ifp)) {
+		size_t in = fread (buf, 1, buf_size, ifp);
+		if (in > 0) {
+			if (fwrite (buf, 1, in, ofp) == 0 && ferror (ofp)) {
+				ret = -errno;
+				error (0, errno, _("can't write to %s"), to);
+				break;
+			}
+		} else if (ferror (ifp)) {
+			ret = -errno;
+			error (0, errno, _("can't read from %s"), from);
+			break;
+		}
+	}
+	free (buf);
+
+	fclose (ifp);
+	fclose (ofp);
+
+	if (ret < 0)
+		check_remove (to);
+	else {
+		check_chmod (to, DBMODE);
+		utimens (to, times);
+	}
+
+	return ret;
+}
+
+static void dbpaths_init (struct dbpaths *dbpaths,
+			  const char *base, const char *tmpbase)
+{
+#ifdef NDBM
+#  ifdef BERKELEY_DB
+	dbpaths->dbfile = xasprintf ("%s.db", base);
+	dbpaths->tmpdbfile = xasprintf ("%s.db", tmpbase);
+#  else /* !BERKELEY_DB NDBM */
+	dbpaths->dirfile = xasprintf ("%s.dir", base);
+	dbpaths->pagfile = xasprintf ("%s.pag", base);
+	dbpaths->tmpdirfile = xasprintf ("%s.dir", tmpbase);
+	dbpaths->tmppagfile = xasprintf ("%s.pag", tmpbase);
+#  endif /* BERKELEY_DB NDBM */
+#else /* !NDBM */
+	dbpaths->xfile = xstrdup (base);
+	dbpaths->xtmpfile = xstrdup (tmpbase);
+#endif /* NDBM */
+}
+
+static int dbpaths_copy_to_tmp (struct dbpaths *dbpaths)
+{
+#ifdef NDBM
+#  ifdef BERKELEY_DB
+	return xcopy (dbpaths->dbfile, dbpaths->tmpdbfile);
+#  else /* !BERKELEY_DB NDBM */
+	int ret = xcopy (dbpaths->dirfile, dbpaths->tmpdirfile);
+	if (ret < 0)
+		return ret;
+	return xcopy (dbpaths->pagfile, dbpaths->tmppagfile);
+#  endif /* BERKELEY_DB NDBM */
+#else /* !NDBM */
+	return xcopy (dbpaths->xfile, dbpaths->xtmpfile);
+#endif /* NDBM */
+}
+
+static void dbpaths_remove_tmp (struct dbpaths *dbpaths)
+{
+#ifdef NDBM
+#  ifdef BERKELEY_DB
+	check_remove (dbpaths->tmpdbfile);
+#  else /* !BERKELEY_DB NDBM */
+	check_remove (dbpaths->tmpdirfile);
+	check_remove (dbpaths->tmppagfile);
+#  endif /* BERKELEY_DB NDBM */
+#else /* !NDBM */
+	check_remove (dbpaths->xtmpfile);
+#endif /* NDBM */
+}
+
+static void dbpaths_rename_from_tmp (struct dbpaths *dbpaths)
+{
+#ifdef NDBM
+#  ifdef BERKELEY_DB
+	check_rename (dbpaths->tmpdbfile, dbpaths->dbfile);
+	check_chmod (dbpaths->dbfile, DBMODE);
+	free (dbpaths->tmpdbfile);
+	dbpaths->tmpdbfile = NULL;
+#  else /* not BERKELEY_DB */
+	check_rename (dbpaths->tmpdirfile, dbpaths->dirfile);
+	check_chmod (dbpaths->dirfile, DBMODE);
+	check_rename (dbpaths->tmppagfile, dbpaths->pagfile);
+	check_chmod (dbpaths->pagfile, DBMODE);
+	free (dbpaths->tmpdirfile);
+	free (dbpaths->tmppagfile);
+	dbpaths->tmpdirfile = dbpaths->tmppagfile = NULL;
+#  endif /* BERKELEY_DB */
+#else /* not NDBM */
+	check_rename (dbpaths->xtmpfile, dbpaths->xfile);
+	check_chmod (dbpaths->xfile, DBMODE);
+	free (dbpaths->xtmpfile);
+	dbpaths->xtmpfile = NULL;
+#endif /* NDBM */
+}
+
+#ifdef MAN_OWNER
+/* Change the owner of global man databases. */
+static void dbpaths_chown_if_possible (struct dbpaths *dbpaths)
+{
+#  ifdef NDBM
+#    ifdef BERKELEY_DB
+	chown_if_possible (dbpaths->dbfile);
+#    else /* not BERKELEY_DB */
+	chown_if_possible (dbpaths->dirfile);
+	chown_if_possible (dbpaths->pagfile);
+#    endif /* BERKELEY_DB */
+#  else /* not NDBM */
+	chown_if_possible (dbpaths->xfile);
+#  endif /* NDBM */
+}
+#endif /* MAN_OWNER */
+
+/* Remove incomplete databases.  This is async-signal-safe. */
+static void dbpaths_unlink_tmp (struct dbpaths *dbpaths)
+{
+#ifdef NDBM
+#  ifdef BERKELEY_DB
+	if (dbpaths->tmpdbfile)
+		unlink (dbpaths->tmpdbfile);
+#  else /* !BERKELEY_DB NDBM */
+	if (dbpaths->tmpdirfile)
+		unlink (dbpaths->tmpdirfile);
+	if (dbpaths->tmppagfile)
+		unlink (dbpaths->tmppagfile);
+#  endif /* BERKELEY_DB NDBM */
+#else /* !NDBM */
+	if (dbpaths->xtmpfile)
+		unlink (dbpaths->xtmpfile);
+#endif /* NDBM */
+}
+
+static void dbpaths_free_elements (struct dbpaths *dbpaths)
+{
+#ifdef NDBM
+#  ifdef BERKELEY_DB
+	free (dbpaths->dbfile);
+	free (dbpaths->tmpdbfile);
+	dbpaths->dbfile = dbpaths->tmpdbfile = NULL;
+#  else /* !BERKELEY_DB NDBM */
+	free (dbpaths->dirfile);
+	free (dbpaths->pagfile);
+	free (dbpaths->tmpdirfile);
+	free (dbpaths->tmppagfile);
+	dbpaths->dirfile = dbpaths->pagfile = NULL;
+	dbpaths->tmpdirfile = dbpaths->tmppagfile = NULL;
+#  endif /* BERKELEY_DB NDBM */
+#else /* !NDBM */
+	free (dbpaths->xfile);
+	free (dbpaths->xtmpfile);
+	dbpaths->xfile = dbpaths->xtmpfile = NULL;
+#endif /* NDBM */
+}
+
+/* Reorganize a database by reading in all the items (assuming that the
+ * database layer provides them in sorted order) and writing them back out.
+ * This has the effect of giving the underlying database the best chance to
+ * produce deterministic output files based only on the set of items and not
+ * on their insertion order, although we may not be able to guarantee that
+ * for all database types.
+ */
+static void reorganize (const char *catpath, bool global_manpath MAYBE_UNUSED)
+{
+	char *dbname, *tmpdbname;
+	struct dbpaths *dbpaths;
+	MYDBM_FILE dbf, tmpdbf;
+	datum key;
+
+	dbname = mkdbname (catpath);
+	tmpdbname = xasprintf ("%s/%d", catpath, getpid ());
+	dbpaths = XZALLOC (struct dbpaths);
+	dbpaths_init (dbpaths, dbname, tmpdbname);
+	dbf = MYDBM_NEW (dbname);
+	tmpdbf = MYDBM_NEW (tmpdbname);
+	if (!MYDBM_RDOPEN (dbf) || dbver_rd (dbf)) {
+		debug ("Failed to open %s read-only\n", dbname);
+		goto out;
+	}
+	if (!MYDBM_CTRWOPEN (tmpdbf)) {
+		debug ("Failed to create %s\n", tmpdbname);
+		goto out;
+	}
+
+	key = MYDBM_FIRSTKEY (dbf);
+	while (MYDBM_DPTR (key)) {
+		datum content, nextkey;
+		int insert_status;
+
+		content = MYDBM_FETCH (dbf, key);
+		insert_status = MYDBM_INSERT (tmpdbf, key, content);
+		MYDBM_FREE_DPTR (content);
+		if (insert_status != 0) {
+			MYDBM_FREE_DPTR (key);
+			goto out;
+		}
+		nextkey = MYDBM_NEXTKEY (dbf, key);
+		MYDBM_FREE_DPTR (key);
+		key = nextkey;
+	}
+
+	dbpaths_rename_from_tmp (dbpaths);
+#ifdef MAN_OWNER
+	if (global_manpath)
+		dbpaths_chown_if_possible (dbpaths);
+#endif /* MAN_OWNER */
+
+out:
+	MYDBM_FREE (tmpdbf);
+	MYDBM_FREE (dbf);
+	dbpaths_unlink_tmp (dbpaths);
+	dbpaths_free_elements (dbpaths);
+	free (dbpaths);
+	free (tmpdbname);
+	free (dbname);
+}
+
+/* Update a single file in an existing database. */
+static int update_one_file (MYDBM_FILE dbf,
+			    const char *manpath, const char *filename)
+{
+	if (dbf->file || MYDBM_RWOPEN (dbf)) {
+		struct mandata *info;
+
+		info = filename_info (filename, quiet < 2);
+		if (info) {
+			dbdelete (dbf, info->name, info);
+			purge_pointers (dbf, info->name);
+		}
+		free_mandata_struct (info);
+
+		test_manfile (dbf, filename, manpath);
+	}
+
+	return 1;
+}
+
+/* dont actually create any dbs, just do an update */
+static int update_db_wrapper (MYDBM_FILE dbf,
+			      const char *manpath, const char *catpath)
+{
+	int amount;
+
+	if (single_filename)
+		return update_one_file (dbf, manpath, single_filename);
+
+	amount = update_db (dbf, manpath, catpath);
+	if (amount >= 0)
+		return amount;
+
+	return create_db (dbf, manpath, catpath);
+}
+
+#define CACHEDIR_TAG \
+	"Signature: 8a477f597d28d172789f06886806bc55\n" \
+	"# This file is a cache directory tag created by man-db.\n" \
+	"# For information about cache directory tags, see:\n" \
+	"#\thttp://www.brynosaurus.com/cachedir/\n"
+
+/* sort out the database names */
+static int mandb (struct dbpaths *dbpaths,
+		  const char *catpath, const char *manpath,
+		  bool global_manpath)
+{
+	char *database;
+	int amount;
+	char *dbname;
+	MYDBM_FILE dbf;
+	bool should_create;
+
+	dbname = mkdbname (catpath);
+	database = xasprintf ("%s/%d", catpath, getpid ());
+	dbf = MYDBM_NEW (database);
+
+	if (!STREQ (catpath, manpath)) {
+		char *cachedir_tag;
+		int fd;
+		bool cachedir_tag_exists = false;
+
+		cachedir_tag = xasprintf ("%s/CACHEDIR.TAG", catpath);
+		assert (cachedir_tag);
+		fd = open (cachedir_tag, O_RDONLY);
+		if (fd < 0) {
+			FILE *cachedir_tag_file;
+
+			if (errno != ENOENT)
+				check_remove (cachedir_tag);
+			cachedir_tag_file = fopen (cachedir_tag, "w");
+			if (cachedir_tag_file) {
+				cachedir_tag_exists = true;
+				fputs (CACHEDIR_TAG, cachedir_tag_file);
+				fclose (cachedir_tag_file);
+			}
+		} else {
+			cachedir_tag_exists = true;
+			close (fd);
+		}
+		if (cachedir_tag_exists) {
+			if (global_manpath)
+				chown_if_possible (cachedir_tag);
+			check_chmod (cachedir_tag, DBMODE);
+		}
+		free (cachedir_tag);
+	}
+
+	should_create = (create || opt_test);
+
+	dbpaths_init (dbpaths, dbname, database);
+	if (!should_create && dbpaths_copy_to_tmp (dbpaths) < 0)
+		should_create = true;
+	if (should_create)
+		dbpaths_remove_tmp (dbpaths);
+
+	if (!should_create) {
+		force_rescan = false;
+		if (purge)
+			purged += purge_missing (dbf, manpath, catpath);
+
+		if (force_rescan) {
+			/* We have an existing database and hadn't been
+			 * going to recreate it, but purge_missing has
+			 * discovered some kind of consistency problem and
+			 * requested that we do so anyway.  Close the
+			 * database and remove temporary copies so that we
+			 * start from scratch.
+			 */
+			MYDBM_FREE (dbf);
+			dbpaths_remove_tmp (dbpaths);
+			dbf = MYDBM_NEW (database);
+			should_create = true;
+		}
+	}
+
+	if (!quiet)
+		printf (_("Processing manual pages under %s...\n"), manpath);
+
+	if (should_create)
+		amount = create_db (dbf, manpath, catpath);
+	else
+		amount = update_db_wrapper (dbf, manpath, catpath);
+
+	if (check_for_strays && dbf->file)
+		strays += straycats (dbf, manpath);
+
+	MYDBM_FREE (dbf);
+	free (database);
+	free (dbname);
+	return amount;
+}
+
+static int process_manpath (const char *manpath, bool global_manpath,
+			    gl_map_t tried_catdirs)
+{
+	char *catpath;
+	struct tried_catdirs_entry *tried;
+	struct stat st;
+	bool run_mandb = false;
+	struct dbpaths *dbpaths = NULL;
+	int amount = 0;
+	bool new_purged = false;
+	bool new_strays = false;
+
+	if (global_manpath) { 	/* system db */
+		catpath = get_catpath (manpath, SYSTEM_CAT);
+		assert (catpath);
+	} else {		/* user db */
+		catpath = get_catpath (manpath, USER_CAT);
+		if (!catpath)
+			catpath = xstrdup (manpath);
+	}
+	tried = XMALLOC (struct tried_catdirs_entry);
+	tried->manpath = xstrdup (manpath);
+	tried->seen = false;
+	gl_map_put (tried_catdirs, xstrdup (catpath), tried);
+
+	if (stat (manpath, &st) < 0 || !S_ISDIR (st.st_mode))
+		goto out;
+	tried->seen = true;
+
+	if (single_filename) {
+		/* The file might be in a per-locale subdirectory that we
+		 * aren't processing right now.
+		 */
+		char *manpath_prefix = xasprintf ("%s/man", manpath);
+		if (STRNEQ (manpath_prefix, single_filename,
+		    strlen (manpath_prefix)))
+			run_mandb = true;
+		free (manpath_prefix);
+	} else
+		run_mandb = true;
+
+	dbpaths = XZALLOC (struct dbpaths);
+	push_cleanup ((cleanup_fun) dbpaths_free_elements, dbpaths, 0);
+	push_cleanup ((cleanup_fun) dbpaths_unlink_tmp, dbpaths, 1);
+	if (run_mandb) {
+		int purged_before = purged;
+		int strays_before = strays;
+		int ret = mandb (dbpaths, catpath, manpath, global_manpath);
+		if (ret < 0) {
+			amount = ret;
+			goto out;
+		}
+		amount += ret;
+		new_purged = purged != purged_before;
+		new_strays = strays != strays_before;
+
+		if (!opt_test && (amount || new_purged || new_strays)) {
+			dbpaths_rename_from_tmp (dbpaths);
+#ifdef MAN_OWNER
+			if (global_manpath)
+				dbpaths_chown_if_possible (dbpaths);
+#endif /* MAN_OWNER */
+			reorganize (catpath, global_manpath);
+		}
+	}
+
+out:
+	if (dbpaths) {
+		dbpaths_unlink_tmp (dbpaths);
+		pop_cleanup ((cleanup_fun) dbpaths_unlink_tmp, dbpaths);
+		dbpaths_free_elements (dbpaths);
+		pop_cleanup ((cleanup_fun) dbpaths_free_elements, dbpaths);
+		free (dbpaths);
+	}
+
+	free (catpath);
+
+	return amount;
+}
+
+static bool is_lang_dir (const char *base)
+{
+	return strlen (base) >= 2 &&
+	       base[0] >= 'a' && base[0] <= 'z' &&
+	       base[1] >= 'a' && base[1] <= 'z' &&
+	       (!base[2] || base[2] < 'a' || base[2] > 'z');
+}
+
+static void tried_catdirs_free (const void *value)
+{
+	struct tried_catdirs_entry *tried =
+		(struct tried_catdirs_entry *) value;
+
+	free (tried->manpath);
+	free (tried);
+}
+
+static void purge_catdir (gl_map_t tried_catdirs, const char *path)
+{
+	struct stat st;
+
+	if (stat (path, &st) == 0 && S_ISDIR (st.st_mode) &&
+	    !gl_map_get (tried_catdirs, path)) {
+		if (!quiet)
+			printf (_("Removing obsolete cat directory %s...\n"),
+				path);
+		remove_directory (path, true);
+	}
+}
+
+static void purge_catsubdirs (const char *manpath, const char *catpath)
+{
+	DIR *dir;
+	struct dirent *ent;
+	struct stat st;
+
+	dir = opendir (catpath);
+	if (!dir)
+		return;
+	while ((ent = readdir (dir)) != NULL) {
+		char *mandir, *catdir;
+
+		if (!STRNEQ (ent->d_name, "cat", 3))
+			continue;
+
+		mandir = xasprintf ("%s/man%s", manpath, ent->d_name + 3);
+		assert (mandir);
+		catdir = xasprintf ("%s/%s", catpath, ent->d_name);
+		assert (catdir);
+
+		if (stat (mandir, &st) != 0 && errno == ENOENT) {
+			if (!quiet)
+				printf (_("Removing obsolete cat directory "
+					  "%s...\n"), catdir);
+			remove_directory (catdir, true);
+		}
+
+		free (catdir);
+		free (mandir);
+	}
+	closedir (dir);
+}
+
+/* Remove catdirs whose corresponding mandirs no longer exist.  For safety,
+ * in case people set catdirs to silly locations, we only do this for the
+ * cat* and NLS subdirectories of catdirs, but not for the top-level catdir
+ * itself (which might contain other data, or which might be difficult for
+ * mandb to recreate with the proper permissions).
+ *
+ * We need to be careful here to avoid removing catdirs just because we
+ * happened not to inspect the corresponding mandir this time round.  If a
+ * mandir was inspected and turned out not to exist, then its catdir is
+ * clearly fair game for removal of NLS subdirectories.  These must match
+ * the usual NLS pattern (two lower-case letters followed by nothing or a
+ * non-letter).
+ */
+static void purge_catdirs (gl_map_t tried_catdirs)
+{
+	const char *path;
+	struct tried_catdirs_entry *tried;
+
+	GL_MAP_FOREACH (tried_catdirs, path, tried) {
+		char *base;
+		DIR *dir;
+		struct dirent *subdirent;
+
+		base = base_name (path);
+		if (is_lang_dir (base)) {
+			/* expect to check this as a subdirectory later */
+			free (base);
+			continue;
+		}
+		free (base);
+
+		purge_catsubdirs (tried->manpath, path);
+
+		dir = opendir (path);
+		if (!dir)
+			continue;
+		while ((subdirent = readdir (dir)) != NULL) {
+			char *subdirpath;
+			const struct tried_catdirs_entry *subtried;
+
+			if (STREQ (subdirent->d_name, ".") ||
+			    STREQ (subdirent->d_name, ".."))
+				continue;
+			if (STRNEQ (subdirent->d_name, "cat", 3))
+				continue;
+			if (!is_lang_dir (subdirent->d_name))
+				continue;
+
+			subdirpath = xasprintf ("%s/%s", path,
+					        subdirent->d_name);
+
+			subtried = gl_map_get (tried_catdirs, subdirpath);
+			if (subtried && subtried->seen) {
+				debug ("Seen mandir for %s; not deleting\n",
+				       subdirpath);
+				/* However, we may still need to purge cat*
+				 * subdirectories.
+				 */
+				purge_catsubdirs (subtried->manpath,
+						  subdirpath);
+			} else
+				purge_catdir (tried_catdirs, subdirpath);
+
+			free (subdirpath);
+		}
+		closedir (dir);
+	}
+}
+
+int main (int argc, char *argv[])
+{
+	char *sys_manp;
+	int amount = 0;
+	char *mp;
+	gl_map_t tried_catdirs;
+	struct sigaction sa;
+
+#ifdef __profile__
+	char *cwd;
+#endif /* __profile__ */
+
+	set_program_name (argv[0]);
+
+	init_debug ();
+	pipeline_install_post_fork (pop_all_cleanups);
+	sandbox = sandbox_init ();
+	init_locale ();
+
+	/* Reset SIGPIPE to its default disposition.  Too many broken pieces
+	 * of software (Python << 3.2, gnome-session, etc.) spawn child
+	 * processes with SIGPIPE ignored, and this produces noise in cron
+	 * mail.
+	 */
+	memset (&sa, 0, sizeof sa);
+	sa.sa_handler = SIG_DFL;
+	sigemptyset (&sa.sa_mask);
+	sa.sa_flags = 0;
+	sigaction (SIGPIPE, &sa, NULL);
+
+	if (argp_parse (&argp, argc, argv, 0, 0, 0))
+		exit (FAIL);
+
+#ifdef __profile__
+	cwd = xgetcwd ();
+	if (!cwd) {
+		cwd = xmalloc (1);
+		cwd[0] = '\0';
+	}
+#endif /* __profile__ */
+
+	/* record who we are and drop effective privs for later use */
+	init_security ();
+
+#ifdef MAN_OWNER
+	man_owner = get_man_owner ();
+	if (!user && euid != 0 && euid != man_owner->pw_uid) {
+		user = true;
+		if (!quiet)
+			fprintf (stderr,
+				 _("Only the '%s' user can create or update "
+				   "system-wide databases; acting as if the "
+				   "--user-db option was used.\n"),
+				 man_owner->pw_name);
+	}
+#endif /* MAN_OWNER */
+
+	read_config_file (user);
+
+	/* This is required for get_catpath(), regardless */
+	manp = get_manpath (NULL);	/* also calls read_config_file() */
+
+	/* pick up the system manpath or use the supplied one */
+	if (arg_manp) {
+		free (manp);
+		manp = xstrdup (arg_manp);
+	} else if (!user) {
+		sys_manp = get_mandb_manpath ();
+		if (sys_manp) {
+			free (manp);
+			manp = sys_manp;
+		} else
+			error (0, 0,
+			       _("warning: no MANDB_MAP directives in %s, "
+				 "using your manpath"),
+			       CONFIG_FILE);
+	}
+
+	/* get the manpath as a list of pointers */
+	manpathlist = create_pathlist (manp);
+
+	/* finished manpath processing, regain privs */
+	regain_effective_privs ();
+
+	tried_catdirs = new_string_map (GL_HASH_MAP, tried_catdirs_free);
+
+	GL_LIST_FOREACH (manpathlist, mp) {
+		bool global_manpath = is_global_mandir (mp);
+		int ret;
+		DIR *dir;
+		struct dirent *subdirent;
+
+		if (global_manpath) {	/* system db */
+			if (user)
+				continue;
+		} else {		/* user db */
+			drop_effective_privs ();
+		}
+
+		ret = process_manpath (mp, global_manpath, tried_catdirs);
+		if (ret < 0)
+			exit (FATAL);
+		amount += ret;
+
+		dir = opendir (mp);
+		if (!dir) {
+			error (0, errno, _("can't search directory %s"), mp);
+			goto next_manpath;
+		}
+
+		while ((subdirent = readdir (dir)) != NULL) {
+			char *subdirpath;
+
+			/* Look for per-locale subdirectories. */
+			if (STREQ (subdirent->d_name, ".") ||
+			    STREQ (subdirent->d_name, ".."))
+				continue;
+			if (STRNEQ (subdirent->d_name, "man", 3))
+				continue;
+
+			subdirpath = xasprintf ("%s/%s", mp,
+						subdirent->d_name);
+			assert (subdirpath);
+			ret = process_manpath (subdirpath, global_manpath,
+					       tried_catdirs);
+			if (ret < 0)
+				exit (FATAL);
+			amount += ret;
+			free (subdirpath);
+		}
+
+		closedir (dir);
+
+next_manpath:
+		if (!global_manpath)
+			regain_effective_privs ();
+	}
+
+	purge_catdirs (tried_catdirs);
+	gl_map_free (tried_catdirs);
+
+	if (!quiet) {
+		printf (ngettext ("%d man subdirectory contained newer "
+				  "manual pages.\n",
+				  "%d man subdirectories contained newer "
+				  "manual pages.\n", amount),
+			amount);
+		printf (ngettext ("%d manual page was added.\n",
+				  "%d manual pages were added.\n", pages),
+			pages);
+		if (check_for_strays)
+			printf (ngettext ("%d stray cat was added.\n",
+					  "%d stray cats were added.\n",
+					  strays),
+			        strays);
+		if (purge)
+			printf (ngettext ("%d old database entry was "
+					  "purged.\n",
+					  "%d old database entries were "
+					  "purged.\n", purged),
+				purged);
+	}
+
+#ifdef __profile__
+	/* For profiling */
+	if (cwd[0])
+		chdir (cwd);
+#endif /* __profile__ */
+
+	free_pathlist (manpathlist);
+	free (manp);
+	if (create && !amount) {
+		const char *must_create;
+		if (!quiet)
+			fprintf (stderr, _("No databases created."));
+		must_create = getenv ("MAN_MUST_CREATE");
+		if (must_create && STREQ (must_create, "1"))
+			exit (FAIL);
+	}
+	sandbox_free (sandbox);
+	exit (OK);
+}
diff --git a/src/manp.c b/src/manp.c
new file mode 100644
index 0000000..bcb919c
--- /dev/null
+++ b/src/manp.c
@@ -0,0 +1,1384 @@
+/*
+ * manp.c: Manpath calculations
+ *
+ * Copyright (C) 1990, 1991 John W. Eaton.
+ * Copyright (C) 1994, 1995 Graeme W. Wilford. (Wilf.)
+ * Copyright (C) 2001, 2002, 2003, 2004, 2006, 2007, 2008, 2009, 2010, 2011,
+ *               2012 Colin Watson.
+ *
+ * This file is part of man-db.
+ *
+ * man-db is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * man-db is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with man-db; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ * John W. Eaton
+ * jwe@che.utexas.edu
+ * Department of Chemical Engineering
+ * The University of Texas at Austin
+ * Austin, Texas  78712
+ *
+ * unpack_locale_bits is derived from _nl_explode_name in libintl:
+ * Copyright (C) 1995-1998, 2000-2001, 2003, 2005 Free Software Foundation,
+ * Inc.
+ * Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, 1995.
+ * This was originally LGPL v2 or later, but I (Colin Watson) hereby
+ * exercise my option under section 3 of LGPL v2 to distribute it under the
+ * GPL v2 or later as above.
+ *
+ * Wed May  4 15:44:47 BST 1994 Wilf. (G.Wilford@ee.surrey.ac.uk): changes
+ * to get_dirlist() and manpath().
+ *
+ * This whole code segment is unfriendly and could do with a complete
+ * overhaul.
+ */
+
+#ifdef HAVE_CONFIG_H
+#  include "config.h"
+#endif /* HAVE_CONFIG_H */
+
+#include <stdbool.h>
+#include <stdio.h>
+#include <ctype.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <assert.h>
+#include <errno.h>
+#include <dirent.h>
+#include <stdbool.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#include "attribute.h"
+#include "canonicalize.h"
+#include "error.h"
+#include "gl_array_list.h"
+#include "gl_linkedhash_list.h"
+#include "gl_xlist.h"
+#include "xalloc.h"
+#include "xgetcwd.h"
+#include "xstrndup.h"
+#include "xvasprintf.h"
+
+#include "gettext.h"
+#define _(String) gettext (String)
+
+#include "manconfig.h"
+
+#include "appendstr.h"
+#include "cleanup.h"
+#include "debug.h"
+#include "fatal.h"
+#include "glcontainers.h"
+#include "security.h"
+#include "util.h"
+
+#include "manp.h"
+#include "globbing.h"
+
+enum config_flag {
+	MANDATORY,
+	MANPATH_MAP,
+	MANDB_MAP,
+	MANDB_MAP_USER,
+	DEFINE,
+	DEFINE_USER,
+	SECTION,
+	SECTION_USER
+};
+
+struct config_item {
+	char *key;
+	char *cont;
+	enum config_flag flag;
+};
+
+static gl_list_t config;
+
+char *user_config_file = NULL;
+bool disable_cache;
+int min_cat_width = 80, max_cat_width = 80, cat_width = 0;
+
+static void add_man_subdirs (gl_list_t list, const char *p);
+static char *fsstnd (const char *path);
+static char *def_path (enum config_flag flag);
+static void add_dir_to_list (gl_list_t list, const char *dir);
+static void add_dir_to_path_list (gl_list_t list, const char *p);
+
+
+static void config_item_free (const void *elt)
+{
+	/* gl_list declares the argument as const, but there doesn't seem to
+	 * be a good reason for this.
+	 */
+	struct config_item *item = (struct config_item *) elt;
+	free (item->key);
+	free (item->cont);
+	free (item);
+}
+
+static void add_config (const char *key, const char *cont,
+			enum config_flag flag)
+{
+	struct config_item *item = XMALLOC (struct config_item);
+	item->key = xstrdup (key);
+	item->cont = xstrdup (cont);
+	item->flag = flag;
+	gl_list_add_last (config, item);
+}
+
+static const char * ATTRIBUTE_PURE get_config (const char *key,
+					       enum config_flag flag)
+{
+	const struct config_item *item;
+	char *cont = NULL;
+
+	GL_LIST_FOREACH (config, item)
+		if (flag == item->flag && STREQ (key, item->key)) {
+			cont = item->cont;
+			break;
+		}
+
+	return cont;
+}
+
+/* Must not return DEFINEs set in ~/.manpath. This is used to fetch
+ * definitions used in raised-privilege code; if in doubt, be conservative!
+ *
+ * If not setuid, this is identical to get_def_user.
+ */
+const char * ATTRIBUTE_PURE get_def (const char *thing, const char *def)
+{
+	const char *config_def;
+
+	if (!running_setuid ())
+		return get_def_user (thing, def);
+
+	config_def = get_config (thing, DEFINE);
+	return config_def ? config_def : def;
+}
+
+const char * ATTRIBUTE_PURE get_def_user (const char *thing, const char *def)
+{
+	const char *config_def = get_config (thing, DEFINE_USER);
+	if (!config_def)
+		config_def = get_config (thing, DEFINE);
+	return config_def ? config_def : def;
+}
+
+static void add_sections (char *sections, bool user)
+{
+	char *section_list = xstrdup (sections);
+	char *sect;
+	bool first = true;
+
+	debug ("  Added sections: ");
+	for (sect = strtok (section_list, " "); sect;
+	     sect = strtok (NULL, " ")) {
+		add_config (sect, "", user ? SECTION_USER : SECTION);
+		if (!first)
+			debug (", ");
+		debug ("`%s'", sect);
+		first = false;
+	}
+	debug (".\n");
+	free (section_list);
+}
+
+gl_list_t get_sections (void)
+{
+	const struct config_item *item;
+	int length_user = 0, length = 0;
+	gl_list_t sections;
+	enum config_flag flag;
+
+	GL_LIST_FOREACH (config, item) {
+		if (item->flag == SECTION_USER)
+			length_user++;
+		else if (item->flag == SECTION)
+			length++;
+	}
+	sections = new_string_list (GL_ARRAY_LIST, true);
+	if (length_user)
+		flag = SECTION_USER;
+	else
+		flag = SECTION;
+	GL_LIST_FOREACH (config, item)
+		if (item->flag == flag)
+			gl_list_add_last (sections, xstrdup (item->key));
+	return sections;
+}
+
+static void add_def (const char *thing, const char *config_def, bool user)
+{
+	add_config (thing, config_def, user ? DEFINE_USER : DEFINE);
+
+	debug ("  Defined `%s' as `%s'.\n", thing, config_def);
+}
+
+static void add_manpath_map (const char *path, const char *mandir)
+{
+	if (!path || !mandir)
+		return;
+
+	add_config (path, mandir, MANPATH_MAP);
+
+	debug ("  Path `%s' mapped to mandir `%s'.\n", path, mandir);
+}
+
+static void add_mandb_map (const char *mandir, const char *catdir, bool user)
+{
+	char *tmpcatdir;
+
+	if (!mandir)
+		return;
+
+	if (STREQ (catdir, "FSSTND"))
+		tmpcatdir = fsstnd (mandir);
+	else
+		tmpcatdir = xstrdup (catdir);
+
+	if (!tmpcatdir)
+		return;
+
+	add_config (mandir, tmpcatdir, user ? MANDB_MAP_USER : MANDB_MAP);
+
+	debug ("  %s mandir `%s', catdir `%s'.\n",
+	       user ? "User" : "Global", mandir, tmpcatdir);
+
+	free (tmpcatdir);
+}
+
+static void add_mandatory (const char *mandir)
+{
+	if (!mandir)
+		return;
+
+	add_config (mandir, "", MANDATORY);
+
+	debug ("  Mandatory mandir `%s'.\n", mandir);
+}
+
+/* accept (NULL or oldpath) and new path component. return new path */
+static char *pathappend (char *oldpath, const char *appendage)
+{
+	assert ((!oldpath || *oldpath) && appendage);
+	/* Remove duplicates */
+	if (oldpath) {
+		char *oldpathtok = xstrdup (oldpath), *tok;
+		char *app_dedup = xstrdup (appendage);
+		char *oldpathtok_ptr = oldpathtok;
+		for (tok = strsep (&oldpathtok_ptr, ":"); tok;
+		     tok = strsep (&oldpathtok_ptr, ":")) {
+			char *search;
+			if (!*tok)	    /* ignore empty fields */
+				continue;
+			search = strstr (app_dedup, tok);
+			while (search) {
+				char *terminator = search + strlen (tok);
+				if (search > app_dedup && search[-1] != ':')
+					/* Ignore suffix matches. */
+					;
+				else if (!*terminator) {
+					/* End of the string, so chop here. */
+					*search = 0;
+					while (search > app_dedup &&
+					       *--search == ':')
+						*search = 0;
+					break;
+				} else if (*terminator == ':') {
+					char *newapp;
+					*search = 0;
+					newapp = xasprintf ("%s%s", app_dedup,
+							    terminator + 1);
+					assert (newapp);
+					free (app_dedup);
+					app_dedup = newapp;
+				}
+				search = strstr (terminator, tok);
+			}
+		}
+		free (oldpathtok);
+		if (!STREQ (appendage, app_dedup))
+			debug ("%s:%s reduced to %s%s%s\n",
+			       oldpath, appendage,
+			       oldpath, *app_dedup ? ":" : "", app_dedup);
+		if (*app_dedup)
+			oldpath = appendstr (oldpath, ":", app_dedup,
+					     (void *) 0);
+		free (app_dedup);
+		return oldpath;
+	} else
+		return xstrdup (appendage);
+}
+
+static void gripe_reading_mp_config (const char *file)
+{
+	error (FAIL, 0,
+	       _("can't make sense of the manpath configuration file %s"),
+	       file);
+}
+
+static void gripe_stat_file (const char *file)
+{
+	debug_error (_("warning: %s"), file);
+}
+
+static void gripe_not_directory (const char *dir)
+{
+	if (!quiet)
+		error (0, 0, _("warning: %s isn't a directory"), dir);
+}
+
+/* accept a manpath list, separated with ':', return the associated
+   catpath list */
+char *cat_manpath (char *manp)
+{
+	char *catp = NULL;
+	const char *path, *catdir;
+
+	for (path = strsep (&manp, ":"); path; path = strsep (&manp, ":")) {
+		catdir = get_config (path, MANDB_MAP_USER);
+		if (!catdir)
+			catdir = get_config (path, MANDB_MAP);
+		catp = catdir ? pathappend (catp, catdir)
+			      : pathappend (catp, path);
+	}
+
+	return catp;
+}
+
+/* Unpack a glibc-style locale into its component parts.
+ *
+ * This function was inspired by _nl_explode_name in libintl; I've rewritten
+ * it here with extensive modifications in order not to require libintl or
+ * glibc internals, because this API is more convenient for man-db, and to
+ * be consistent with surrounding style. I also dropped the normalised
+ * codeset handling, which we don't need here.
+ */
+void unpack_locale_bits (const char *locale, struct locale_bits *bits)
+{
+	const char *p, *start;
+
+	bits->language = NULL;
+	bits->territory = NULL;
+	bits->codeset = NULL;
+	bits->modifier = NULL;
+
+	/* Now we determine the single parts of the locale name. First look
+	 * for the language. Termination symbols are '_', '.', and '@'.
+	 */
+	p = locale;
+	while (*p && *p != '_' && *p != '.' && *p != '@')
+		++p;
+	if (p == locale) {
+		/* This does not make sense: language has to be specified.
+		 * Use this entry as it is without exploding. Perhaps it is
+		 * an alias.
+		 */
+		bits->language = xstrdup (locale);
+		goto out;
+	}
+	bits->language = xstrndup (locale, p - locale);
+
+	if (*p == '_') {
+		/* Next is the territory. */
+		start = ++p;
+		while (*p && *p != '.' && *p != '@')
+			++p;
+		bits->territory = xstrndup (start, p - start);
+	}
+
+	if (*p == '.') {
+		/* Next is the codeset. */
+		start = ++p;
+		while (*p && *p != '@')
+			++p;
+		bits->codeset = xstrndup (start, p - start);
+	}
+
+	if (*p == '@')
+		/* Next is the modifier. */
+		bits->modifier = xstrdup (++p);
+
+out:
+	if (!bits->territory)
+		bits->territory = xstrdup ("");
+	if (!bits->codeset)
+		bits->codeset = xstrdup ("");
+	if (!bits->modifier)
+		bits->modifier = xstrdup ("");
+}
+
+/* Free the contents of a locale_bits structure populated by
+ * unpack_locale_bits. Does not free the pointer argument.
+ */
+void free_locale_bits (struct locale_bits *bits)
+{
+	free (bits->language);
+	free (bits->territory);
+	free (bits->codeset);
+	free (bits->modifier);
+}
+
+
+static char *get_nls_manpath (const char *manpathlist, const char *locale)
+{
+	struct locale_bits lbits;
+	char *manpath = NULL;
+	char *manpathlist_copy, *path, *manpathlist_ptr;
+
+	unpack_locale_bits (locale, &lbits);
+	if (STREQ (lbits.language, "C") || STREQ (lbits.language, "POSIX")) {
+		free_locale_bits (&lbits);
+		return xstrdup (manpathlist);
+	}
+
+	manpathlist_copy = xstrdup (manpathlist);
+	manpathlist_ptr = manpathlist_copy;
+	for (path = strsep (&manpathlist_ptr, ":"); path;
+	     path = strsep (&manpathlist_ptr, ":")) {
+		DIR *mandir = opendir (path);
+		struct dirent *mandirent;
+
+		if (!mandir)
+			continue;
+
+		while ((mandirent = readdir (mandir)) != NULL) {
+			const char *name;
+			struct locale_bits mbits;
+			char *fullpath;
+
+			name = mandirent->d_name;
+			if (STREQ (name, ".") || STREQ (name, ".."))
+				continue;
+			if (STRNEQ (name, "man", 3))
+				continue;
+			fullpath = xasprintf ("%s/%s", path, name);
+			if (is_directory (fullpath) != 1) {
+				free (fullpath);
+				continue;
+			}
+
+			unpack_locale_bits (name, &mbits);
+			if (STREQ (lbits.language, mbits.language) &&
+			    (!*mbits.territory ||
+			     STREQ (lbits.territory, mbits.territory)) &&
+			    (!*mbits.modifier ||
+			     STREQ (lbits.modifier, mbits.modifier)))
+				manpath = pathappend (manpath, fullpath);
+			free_locale_bits (&mbits);
+			free (fullpath);
+		}
+
+		if (STREQ (lbits.language, "en"))
+			/* For English, we look in the subdirectories as
+			 * above just in case there's something like
+			 * en_GB.UTF-8, but it's more probable that English
+			 * manual pages reside at the top level.
+			 */
+			manpath = pathappend (manpath, path);
+
+		closedir (mandir);
+	}
+	free (manpathlist_copy);
+
+	free_locale_bits (&lbits);
+	return manpath;
+}
+
+char *add_nls_manpaths (const char *manpathlist, const char *locales)
+{
+	char *manpath = NULL;
+	char *locales_copy, *tok, *locales_ptr;
+	char *locale_manpath;
+
+	debug ("add_nls_manpaths(): processing %s\n", manpathlist);
+
+	if (locales == NULL || *locales == '\0')
+		return xstrdup (manpathlist);
+
+	/* For each locale, we iterate over the manpath and find appropriate
+	 * locale directories for each item. We then concatenate the results
+	 * for all locales. In other words, LANGUAGE=fr:de and
+	 * manpath=/usr/share/man:/usr/local/share/man could result in
+	 * something like this list:
+	 *
+	 *   /usr/share/man/fr
+	 *   /usr/local/share/man/fr
+	 *   /usr/share/man/de
+	 *   /usr/local/share/man/de
+	 *   /usr/share/man
+	 *   /usr/local/share/man
+	 *
+	 * This assumes that it's more important to have documentation in
+	 * the preferred language than to have documentation for the correct
+	 * object (in the case where there are different versions of a
+	 * program in different hierarchies, for example). It is not
+	 * entirely obvious that this is the right assumption, but on the
+	 * other hand the other choice is not entirely obvious either. We
+	 * tie-break on "we've always done it this way", and people can use
+	 * 'man -a' or whatever in the occasional case where we get it
+	 * wrong.
+	 *
+	 * We go to no special effort to de-duplicate directories here.
+	 * create_pathlist will sort it out later; note that it preserves
+	 * order in that it keeps the first of any duplicate set in its
+	 * original position.
+	 */
+
+	locales_copy = xstrdup (locales);
+	locales_ptr = locales_copy;
+	for (tok = strsep (&locales_ptr, ":"); tok;
+	     tok = strsep (&locales_ptr, ":")) {
+		if (!*tok)	/* ignore empty fields */
+			continue;
+		debug ("checking for locale %s\n", tok);
+
+		locale_manpath = get_nls_manpath (manpathlist, tok);
+		if (locale_manpath) {
+			if (manpath)
+				manpath = appendstr (manpath, ":",
+						     locale_manpath,
+						     (void *) 0);
+			else
+				manpath = xstrdup (locale_manpath);
+			free (locale_manpath);
+		}
+	}
+	free (locales_copy);
+
+	/* Always try untranslated pages as a last resort. */
+	locale_manpath = get_nls_manpath (manpathlist, "C");
+	if (locale_manpath) {
+		if (manpath)
+			manpath = appendstr (manpath, ":",
+					     locale_manpath, (void *) 0);
+		else
+			manpath = xstrdup (locale_manpath);
+		free (locale_manpath);
+	}
+
+	return manpath;
+}
+
+static char *add_system_manpath (const char *systems, const char *manpathlist)
+{
+	char *one_system;
+	char *manpath = NULL;
+	char *tmpsystems;
+
+	if (!systems)
+		systems = getenv ("SYSTEM");
+
+	if (!systems || !*systems)
+		return xstrdup (manpathlist);
+
+	/* Avoid breaking the environment. */
+	tmpsystems = xstrdup (systems);
+
+	/* For each systems component */
+
+	for (one_system = strtok (tmpsystems, ",:"); one_system;
+	     one_system = strtok (NULL, ",:")) {
+
+		/* For each manpathlist component */
+
+		if (!STREQ (one_system, "man")) {
+			const char *next, *path;
+			char *newdir = NULL;
+			for (path = manpathlist; path; path = next) {
+				int status;
+				char *element;
+
+				next = strchr (path, ':');
+				if (next) {
+					element = xstrndup (path, next - path);
+					++next;
+				} else
+					element = xstrdup (path);
+				newdir = appendstr (newdir, element, "/",
+						    one_system, (void *) 0);
+				free (element);
+
+				status = is_directory (newdir);
+
+				if (status == 0)
+					gripe_not_directory (newdir);
+				else if (status == 1) {
+					debug ("adding %s to manpathlist\n",
+					       newdir);
+					manpath = pathappend (manpath, newdir);
+				} else
+					debug_error ("can't stat %s", newdir);
+				/* reset newdir */
+				*newdir = '\0';
+			}
+			free (newdir);
+		} else
+			manpath = pathappend (manpath, manpathlist);
+	}
+	free (tmpsystems);
+
+	/*
+	 * Thu, 21 Nov 1996 22:24:19 +0200 fpolacco@debian.org
+	 * bug#5534 (man fails if env var SYSTEM is defined)
+	 * with error [man: internal manpath equates to NULL]
+	 * the reason: is_directory (newdir); returns -1
+	 */
+	if (!manpath) {
+		debug ("add_system_manpath(): "
+		       "internal manpath equates to NULL\n");
+		return xstrdup (manpathlist);
+	}
+	return manpath;
+}
+
+/*
+ * Always add system and locale directories to pathlist.
+ * If the environment variable MANPATH is set, return it.
+ * If the environment variable PATH is set and has a nonzero length,
+ * try to determine the corresponding manpath, otherwise, return the
+ * default manpath.
+ *
+ * The man_db.config file is used to map system wide /bin directories
+ * to top level man page directories.
+ *
+ * For directories which are in the user's path but not in the
+ * man_db.config file, see if there is a subdirectory `man' or `MAN'.
+ * If so, add that directory to the path.  Example:  user has
+ * $HOME/bin in his path and the directory $HOME/bin/man exists -- the
+ * directory $HOME/bin/man will be added to the manpath.
+ */
+static char *guess_manpath (const char *systems)
+{
+	const char *path = getenv ("PATH");
+	char *manpathlist, *manpath;
+
+	if (path == NULL || getenv ("MAN_TEST_DISABLE_PATH")) {
+		/* Things aren't going to work well, but hey... */
+		if (path == NULL && !quiet)
+			error (0, 0, _("warning: $PATH not set"));
+
+		manpathlist = def_path (MANDATORY);
+	} else {
+		if (strlen (path) == 0) {
+			/* Things aren't going to work well here either... */
+			if (!quiet)
+				error (0, 0, _("warning: empty $PATH"));
+
+			return add_system_manpath (systems,
+						   def_path (MANDATORY));
+		}
+
+		manpathlist = get_manpath_from_path (path, true);
+	}
+	manpath = add_system_manpath (systems, manpathlist);
+	free (manpathlist);
+	return manpath;
+}
+
+char *get_manpath (const char *systems)
+{
+	char *manpathlist;
+
+	/* need to read config file even if MANPATH set, for mandb(8) */
+	read_config_file (false);
+
+	manpathlist = getenv ("MANPATH");
+	if (manpathlist && *manpathlist) {
+		char *system1, *system2, *guessed;
+		char *pos;
+		/* This must be it. */
+		if (manpathlist[0] == ':') {
+			if (!quiet)
+				error (0, 0,
+				       _("warning: $MANPATH set, "
+					 "prepending %s"),
+				       CONFIG_FILE);
+			system1 = add_system_manpath (systems, manpathlist);
+			guessed = guess_manpath (systems);
+			manpathlist = xasprintf ("%s%s", guessed, system1);
+			free (guessed);
+			free (system1);
+		} else if (manpathlist[strlen (manpathlist) - 1] == ':') {
+			if (!quiet)
+				error (0, 0,
+				       _("warning: $MANPATH set, "
+					 "appending %s"),
+				       CONFIG_FILE);
+			system1 = add_system_manpath (systems, manpathlist);
+			guessed = guess_manpath (systems);
+			manpathlist = xasprintf ("%s%s", system1, guessed);
+			free (guessed);
+			free (system1);
+		} else if ((pos = strstr (manpathlist,"::"))) {
+			*(pos++) = '\0';
+			if (!quiet)
+				error (0, 0,
+				       _("warning: $MANPATH set, "
+					 "inserting %s"),
+				       CONFIG_FILE);
+			system1 = add_system_manpath (systems, manpathlist);
+			guessed = guess_manpath (systems);
+			system2 = add_system_manpath (systems, pos);
+			manpathlist = xasprintf ("%s:%s%s", system1, guessed,
+						 system2);
+			free (system2);
+			free (guessed);
+			free (system1);
+		} else {
+			if (!quiet)
+				error (0, 0,
+				       _("warning: $MANPATH set, ignoring %s"),
+				       CONFIG_FILE);
+			manpathlist = add_system_manpath (systems,
+							  manpathlist);
+		}
+	} else
+		manpathlist = guess_manpath (systems);
+
+	return manpathlist;
+}
+
+/* Parse the manpath.config file, extracting appropriate information. */
+static void add_to_dirlist (FILE *config_file, bool user)
+{
+	char *bp;
+	char *buf = NULL;
+	size_t n = 0;
+	char key[512], cont[512];
+	int val;
+	int c;
+
+	while (getline (&buf, &n, config_file) >= 0) {
+		bp = buf;
+
+		while (CTYPE (isspace, *bp))
+			bp++;
+
+		/* TODO: would like a (limited) replacement for sscanf()
+		 * here that allocates its own memory. At that point check
+		 * everything that sprintf()s manpath et al!
+		 */
+		if (*bp == '#' || *bp == '\0')
+			goto next;
+		else if (strncmp (bp, "NOCACHE", 7) == 0)
+			disable_cache = true;
+		else if (strncmp (bp, "NO", 2) == 0)
+			goto next;	/* match any word starting with NO */
+		else if (sscanf (bp, "MANBIN %*s") == 1)
+			goto next;
+		else if (sscanf (bp, "MANDATORY_MANPATH %511s", key) == 1)
+			add_mandatory (key);
+		else if (sscanf (bp, "MANPATH_MAP %511s %511s",
+			 key, cont) == 2)
+			add_manpath_map (key, cont);
+		else if ((c = sscanf (bp, "MANDB_MAP %511s %511s",
+				      key, cont)) > 0)
+			add_mandb_map (key, c == 2 ? cont : key, user);
+		else if ((c = sscanf (bp, "DEFINE %511s %511[^\n]",
+				      key, cont)) > 0)
+			add_def (key, c == 2 ? cont : "", user);
+		else if (sscanf (bp, "SECTION %511[^\n]", cont) == 1)
+			add_sections (cont, user);
+		else if (sscanf (bp, "SECTIONS %511[^\n]", cont) == 1)
+			/* Since I keep getting it wrong ... */
+			add_sections (cont, user);
+		else if (sscanf (bp, "MINCATWIDTH %d", &val) == 1)
+			min_cat_width = val;
+		else if (sscanf (bp, "MAXCATWIDTH %d", &val) == 1)
+			max_cat_width = val;
+		else if (sscanf (bp, "CATWIDTH %d", &val) == 1)
+			cat_width = val;
+	 	else {
+			error (0, 0, _("can't parse directory list `%s'"), bp);
+			gripe_reading_mp_config (CONFIG_FILE);
+		}
+
+next:
+		free (buf);
+		buf = NULL;
+	}
+
+	free (buf);
+}
+
+static void free_config_file (void *unused MAYBE_UNUSED)
+{
+	gl_list_free (config);
+}
+
+void read_config_file (bool optional)
+{
+	static bool done = false;
+	char *dotmanpath = NULL;
+	FILE *config_file;
+
+	if (done)
+		return;
+
+	config = gl_list_create_empty (GL_ARRAY_LIST, NULL, NULL,
+				       config_item_free, true);
+	push_cleanup (free_config_file, NULL, 0);
+
+	if (user_config_file)
+		dotmanpath = xstrdup (user_config_file);
+	else {
+		char *home = getenv ("HOME");
+		if (home)
+			dotmanpath = xasprintf ("%s/.manpath", home);
+	}
+	if (dotmanpath) {
+		config_file = fopen (dotmanpath, "r");
+		if (config_file != NULL) {
+			debug ("From the config file %s:\n", dotmanpath);
+			add_to_dirlist (config_file, true);
+			fclose (config_file);
+		}
+		free (dotmanpath);
+	}
+
+	if (getenv ("MAN_TEST_DISABLE_SYSTEM_CONFIG") == NULL) {
+		config_file = fopen (CONFIG_FILE, "r");
+		if (config_file == NULL) {
+			if (optional)
+				debug ("can't open %s; continuing anyway\n",
+				       CONFIG_FILE);
+			else
+				error (FAIL, 0,
+				       _("can't open the manpath "
+					 "configuration file %s"),
+				       CONFIG_FILE);
+		} else {
+			debug ("From the config file %s:\n", CONFIG_FILE);
+
+			add_to_dirlist (config_file, false);
+			fclose (config_file);
+		}
+	}
+
+	done = true;
+}
+
+
+/*
+ * Construct the default manpath.  This picks up mandatory manpaths
+ * only.
+ */
+static char *def_path (enum config_flag flag)
+{
+	char *manpath = NULL;
+	const struct config_item *item;
+
+	GL_LIST_FOREACH (config, item)
+		if (item->flag == flag) {
+			gl_list_t expanded_dirs;
+			const char *expanded_dir;
+
+			expanded_dirs = expand_path (item->key);
+			GL_LIST_FOREACH (expanded_dirs, expanded_dir) {
+				int status = is_directory (expanded_dir);
+
+				if (status < 0)
+					gripe_stat_file (expanded_dir);
+				else if (status == 0 && !quiet)
+					error (0, 0,
+					       _("warning: mandatory "
+						 "directory %s doesn't exist"),
+					       expanded_dir);
+				else if (status == 1)
+					manpath = pathappend (manpath,
+							      expanded_dir);
+			}
+			gl_list_free (expanded_dirs);
+		}
+
+	/* If we have complete config file failure... */
+	if (!manpath)
+		return xstrdup ("/usr/man");
+
+	return manpath;
+}
+
+/*
+ * For each directory in the user's path, see if it is one of the
+ * directories listed in the man_db.config file.  If so, and it is
+ * not already in the manpath, add it.  If the directory is not listed
+ * in the man_db.config file, see if there is a subdirectory `../man' or
+ * `man', or, for FHS-compliance, `../share/man' or `share/man'.  If so,
+ * and it is not already in the manpath, add it.
+ * Example:  user has $HOME/bin in his path and the directory
+ * $HOME/man exists -- the directory $HOME/man will be added
+ * to the manpath.
+ */
+char *get_manpath_from_path (const char *path, bool mandatory)
+{
+	gl_list_t tmplist;
+	const struct config_item *config_item;
+	int len;
+	char *tmppath;
+	char *p;
+	char *end;
+	char *manpathlist;
+	char *item;
+
+	tmplist = new_string_list (GL_LINKEDHASH_LIST, false);
+	tmppath = xstrdup (path);
+
+	for (end = p = tmppath; end; p = end + 1) {
+		bool manpath_map_found = false;
+
+		end = strchr (p, ':');
+		if (end)
+			*end = '\0';
+
+		/* don't do this for current dir ("." or empty entry in PATH) */
+		if (*p == '\0' || strcmp (p, ".") == 0)
+			continue;
+
+		debug ("path directory %s ", p);
+
+		/* If the directory we're working on has MANPATH_MAP entries
+		 * in the config file, add them to the list.
+		 */
+		GL_LIST_FOREACH (config, config_item) {
+			if (MANPATH_MAP != config_item->flag ||
+			    !STREQ (p, config_item->key))
+				continue;
+			if (!manpath_map_found)
+				debug ("is in the config file\n");
+			manpath_map_found = true;
+			add_dir_to_list (tmplist, config_item->cont);
+		}
+
+		 /* The directory we're working on isn't in the config file.
+		    See if it has ../man, man, ../share/man, or share/man
+		    subdirectories.  If so, and they haven't been added to
+		    the list, do. */
+
+		if (!manpath_map_found) {
+			debug ("is not in the config file\n");
+			add_man_subdirs (tmplist, p);
+		}
+	}
+
+	free (tmppath);
+
+	if (mandatory) {
+		debug ("adding mandatory man directories\n");
+
+		GL_LIST_FOREACH (config, config_item) {
+			if (config_item->flag == MANDATORY)
+				add_dir_to_list (tmplist, config_item->key);
+		}
+	}
+
+	len = 0;
+	GL_LIST_FOREACH (tmplist, item)
+		len += strlen (item) + 1;
+
+	if (!len)
+		/* No path elements in configuration file or with
+		 * appropriate subdirectories.
+		 */
+		return xstrdup ("");
+
+	manpathlist = xmalloc (len);
+	*manpathlist = '\0';
+
+	p = manpathlist;
+	GL_LIST_FOREACH (tmplist, item) {
+		len = strlen (item);
+		memcpy (p, item, len);
+		p += len;
+		*p++ = ':';
+	}
+
+	p[-1] = '\0';
+
+	gl_list_free (tmplist);
+
+	return manpathlist;
+}
+
+/* Add a directory to the manpath list if it isn't already there. */
+static void add_expanded_dir_to_list (gl_list_t list, const char *dir)
+{
+	int status;
+
+	if (gl_list_search (list, dir))
+		return;
+
+	/* Not found -- add it. */
+
+	status = is_directory (dir);
+
+	if (status < 0)
+		gripe_stat_file (dir);
+	else if (status == 0)
+		gripe_not_directory (dir);
+	else if (status == 1) {
+		debug ("  adding %s to manpath\n", dir);
+		gl_list_add_last (list, xstrdup (dir));
+	}
+}
+
+/*
+ * Add a directory to the manpath list if it isn't already there, expanding
+ * wildcards.
+ */
+static void add_dir_to_list (gl_list_t list, const char *dir)
+{
+	gl_list_t expanded_dirs;
+	const char *expanded_dir;
+
+	expanded_dirs = expand_path (dir);
+	GL_LIST_FOREACH (expanded_dirs, expanded_dir)
+		add_expanded_dir_to_list (list, expanded_dir);
+	gl_list_free (expanded_dirs);
+}
+
+/* path does not exist in config file: check to see if path/../man,
+   path/man, path/../share/man, or path/share/man exist, and add them to the
+   list if they do. */
+static void add_man_subdirs (gl_list_t list, const char *path)
+{
+	char *newpath;
+        char *trimmed_path = xstrdup (path);
+
+	/* don't assume anything about path, especially that it ends in
+	   "bin" or even has a '/' in it! */
+
+	char *subdir = strrchr (trimmed_path, '/');
+
+	/* Trailing slash or root directory. Remove the trailing slash and
+	   try again. If root directory, subdir will be null, so we don't
+	   cause a segfault. If a path element is '/', we will correctly add
+	   /man and /share/man manpaths. */
+	if (subdir && strncmp (subdir, "/", 2) == 0) {
+		subdir[0] = '\0';
+		subdir = strrchr (trimmed_path, '/');
+	}
+	if (subdir) {
+		newpath = xasprintf ("%.*s/man",
+				     (int) (subdir - trimmed_path),
+				     trimmed_path);
+		if (is_directory (newpath) == 1)
+			add_dir_to_list (list, newpath);
+		free (newpath);
+	}
+
+	newpath = xasprintf ("%s/man", trimmed_path);
+	if (is_directory (newpath) == 1)
+		add_dir_to_list (list, newpath);
+	free (newpath);
+
+	if (subdir) {
+		newpath = xasprintf ("%.*s/share/man",
+				     (int) (subdir - trimmed_path),
+				     trimmed_path);
+		if (is_directory (newpath) == 1)
+			add_dir_to_list (list, newpath);
+		free (newpath);
+	}
+
+	newpath = xasprintf ("%s/share/man", trimmed_path);
+	if (is_directory (newpath) == 1)
+		add_dir_to_list (list, newpath);
+	free (newpath);
+
+        free (trimmed_path);
+}
+
+struct canonicalized_path {
+	char *path;
+	char *canon_path;
+};
+
+static struct canonicalized_path *canonicalized_path_new (const char *path)
+{
+	char *canon_path;
+	struct canonicalized_path *cp = NULL;
+
+	canon_path = canonicalize_file_name (path);
+	if (canon_path) {
+		cp = XMALLOC (struct canonicalized_path);
+		cp->path = xstrdup (path);
+		cp->canon_path = canon_path;	/* steal memory */
+	}
+	return cp;
+}
+
+static bool ATTRIBUTE_PURE canonicalized_path_equals (const void *elt1,
+						      const void *elt2)
+{
+	const struct canonicalized_path *cp1 = elt1, *cp2 = elt2;
+	return string_equals (cp1->canon_path, cp2->canon_path);
+}
+
+static size_t ATTRIBUTE_PURE canonicalized_path_hash (const void *elt)
+{
+	const struct canonicalized_path *cp = elt;
+	return string_hash (cp->canon_path);
+}
+
+static void canonicalized_path_free (const void *elt)
+{
+	/* gl_list declares the argument as const, but there doesn't seem to
+	 * be a good reason for this.
+	 */
+	struct canonicalized_path *cp = (struct canonicalized_path *) elt;
+	free (cp->path);
+	free (cp->canon_path);
+	free (cp);
+}
+
+static void add_dir_to_path_list (gl_list_t list, const char *p)
+{
+	gl_list_t expanded_dirs;
+	char *expanded_dir;
+
+	expanded_dirs = expand_path (p);
+	GL_LIST_FOREACH (expanded_dirs, expanded_dir) {
+		int status = is_directory (expanded_dir);
+
+		if (status < 0)
+			gripe_stat_file (expanded_dir);
+		else if (status == 0)
+			gripe_not_directory (expanded_dir);
+		else {
+			char *path;
+			struct canonicalized_path *cp;
+
+			/* deal with relative paths */
+			if (*expanded_dir != '/') {
+				char *cwd = xgetcwd ();
+				if (!cwd)
+					fatal (errno,
+					       _("can't determine current directory"));
+				path = appendstr (cwd, "/", expanded_dir,
+						  (void *) 0);
+			} else
+				path = xstrdup (expanded_dir);
+
+			cp = canonicalized_path_new (path);
+			if (cp && !gl_list_search (list, cp)) {
+				debug ("adding %s to manpathlist\n", path);
+				gl_list_add_last (list, cp);
+			} else if (cp)
+				canonicalized_path_free (cp);
+			free (path);
+		}
+	}
+	gl_list_free (expanded_dirs);
+}
+
+gl_list_t create_pathlist (const char *manp)
+{
+	gl_list_t canonicalized_list, list;
+	const char *p, *end;
+	const struct canonicalized_path *cp;
+
+	/* Expand the manpath into a list of (path, canonicalized path)
+	 * pairs for easier handling.  add_dir_to_path_list only adds items
+	 * if they do not have the same canonicalized path as an existing
+	 * item, thereby eliminating duplicates due to symlinks.
+	 * For each entry, add corresponding OVERRIDE_DIR if configured.
+	 */
+
+	canonicalized_list = gl_list_create_empty
+		(GL_LINKEDHASH_LIST, canonicalized_path_equals,
+		 canonicalized_path_hash, canonicalized_path_free, false);
+	for (p = manp;; p = end + 1) {
+		char *element;
+
+		end = strchr (p, ':');
+		element = end ? xstrndup (p, end - p) : xstrdup (p);
+
+		if (*OVERRIDE_DIR) {
+			char *element_override = xasprintf
+				("%s/%s", element, OVERRIDE_DIR);
+			add_dir_to_path_list
+				(canonicalized_list, element_override);
+			free (element_override);
+		}
+
+		add_dir_to_path_list (canonicalized_list, element);
+		free (element);
+
+		if (!end)
+			break;
+	}
+
+	list = new_string_list (GL_ARRAY_LIST, false);
+	GL_LIST_FOREACH (canonicalized_list, cp)
+		gl_list_add_last (list, xstrdup (cp->path));
+
+	if (debug_level) {
+		debug ("final search path = ");
+		GL_LIST_FOREACH (list, p) {
+			if (!gl_list_previous_node (list, list_node))
+				debug ("%s", p);
+			else
+				debug (":%s", p);
+		}
+		debug ("\n");
+	}
+
+	gl_list_free (canonicalized_list);
+	return list;
+}
+
+void free_pathlist (gl_list_t list)
+{
+	gl_list_free (list);
+}
+
+/* Routine to get list of named system and user manpaths (in reverse order). */
+char *get_mandb_manpath (void)
+{
+	char *manpath = NULL;
+	const struct config_item *item;
+
+	GL_LIST_FOREACH (config, item)
+		if (item->flag == MANDB_MAP || item->flag == MANDB_MAP_USER)
+			manpath = pathappend (manpath, item->key);
+
+	return manpath;
+}
+
+/* Take manpath or manfile path as the first argument, and the type of
+ * catpaths we want as the other (system catpaths, user catpaths, or both).
+ * Return catdir mapping or NULL if it isn't a global/user mandir (as
+ * appropriate).
+ *
+ * This routine would seem to work correctly for nls subdirs and would
+ * specify the (correct) consistent catpath even if not defined in the
+ * config file.
+ *
+ * Do not return user catpaths when cattype == 0! This is used to decide
+ * whether to drop privileges. When cattype != 0 it's OK to return global
+ * catpaths.
+ */
+char *get_catpath (const char *name, int cattype)
+{
+	const struct config_item *item;
+	char *ret = NULL;
+
+	GL_LIST_FOREACH (config, item)
+		if (((cattype & SYSTEM_CAT) && item->flag == MANDB_MAP) ||
+		    ((cattype & USER_CAT)   && item->flag == MANDB_MAP_USER)) {
+			size_t manlen = strlen (item->key);
+			if (STRNEQ (name, item->key, manlen)) {
+				const char *suffix;
+				char *infix;
+				char *catpath = xstrdup (item->cont);
+
+				/* For NLS subdirectories (e.g.
+				 * /usr/share/man/de -> /var/cache/man/de),
+				 * we need to find the second-last slash, as
+				 * long as this strictly follows the key.
+				 */
+				suffix = strrchr (name, '/');
+				if (!suffix) {
+					ret = appendstr (catpath,
+							 name + manlen,
+							 (void *) 0);
+					break;
+				}
+
+				while (suffix > name + manlen)
+					if (*--suffix == '/')
+						break;
+				if (suffix < name + manlen)
+					suffix = name + manlen;
+				if (*suffix == '/')
+					++suffix;
+				infix = xstrndup (name + manlen,
+						  suffix - (name + manlen));
+				catpath = appendstr (catpath, infix,
+						     (void *) 0);
+				free (infix);
+				if (STRNEQ (suffix, "man", 3)) {
+					suffix += 3;
+					catpath = appendstr (catpath, "cat",
+							     (void *) 0);
+				}
+				catpath = appendstr (catpath, suffix,
+						     (void *) 0);
+			  	ret = catpath;
+				break;
+			}
+		}
+
+	return ret;
+}
+
+/* Check to see if the supplied man directory is a system-wide mandir.
+ * Obviously, user directories must not be included here.
+ */
+bool ATTRIBUTE_PURE is_global_mandir (const char *dir)
+{
+	const struct config_item *item;
+	bool ret = false;
+
+	GL_LIST_FOREACH (config, item)
+		if (item->flag == MANDB_MAP &&
+		    STRNEQ (dir, item->key, strlen (item->key))) {
+		    	ret = true;
+			break;
+		}
+
+	return ret;
+}
+
+/* Accept a manpath (not a full pathname to a file) and return an FSSTND
+   equivalent catpath */
+static char *fsstnd (const char *path)
+{
+	char *manpath;
+	char *catpath;
+	char *element;
+
+	if (strncmp (path, MAN_ROOT, sizeof MAN_ROOT - 1) != 0) {
+		if (!quiet)
+			error (0, 0, _("warning: %s does not begin with %s"),
+			       path, MAN_ROOT);
+		return xstrdup (path);
+	}
+	/* get rid of initial "/usr" */
+	path += sizeof MAN_ROOT - 1;
+	manpath = xstrdup (path);
+	catpath = xmalloc (strlen (path) + sizeof CAT_ROOT - 3);
+
+	/* start with CAT_ROOT */
+	(void) strcpy (catpath, CAT_ROOT);
+
+	/* split up path into elements and deal with accordingly */
+	for (element = strtok (manpath, "/"); element;
+	     element = strtok (NULL, "/")) {
+		if (strncmp (element, "man", 3) == 0) {
+			if (*(element + 3)) {
+				*element = 'c';
+				*(element + 2) = 't';
+			} else
+				continue;
+		}
+		(void) strcat (catpath, "/");
+		(void) strcat (catpath, element);
+	}
+	free (manpath);
+	return catpath;
+}
diff --git a/src/manp.h b/src/manp.h
new file mode 100644
index 0000000..195315d
--- /dev/null
+++ b/src/manp.h
@@ -0,0 +1,51 @@
+/*
+ * manp.h: Interface to manpath calculations
+ *
+ * Copyright (C) 1990, 1991 John W. Eaton.
+ * Copyright (C) 1994, 1995 Graeme W. Wilford. (Wilf.)
+ * Copyright (C) 2001, 2002 Colin Watson.
+ *
+ * This file is part of man-db.
+ *
+ * man-db is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * man-db is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with man-db; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+
+#include <stdbool.h>
+
+#include "gl_list.h"
+
+struct locale_bits {
+	char *language;
+	char *territory;
+	char *codeset;
+	char *modifier;
+};
+
+/* manp.c */
+extern char *cat_manpath (char *manp);
+extern void unpack_locale_bits (const char *locale, struct locale_bits *bits);
+extern void free_locale_bits (struct locale_bits *bits);
+extern char *add_nls_manpaths (const char *manpathlist, const char *locales);
+extern char *get_manpath (const char *systems);
+extern char *get_manpath_from_path (const char *path, bool mandatory);
+extern gl_list_t create_pathlist (const char *manp);
+extern void free_pathlist (gl_list_t list);
+extern char *get_mandb_manpath (void);
+extern char *get_catpath (const char *name, int cattype);
+extern bool is_global_mandir (const char *dir);
+extern void read_config_file (bool optional);
+extern const char *get_def (const char *thing, const char *def);
+extern const char *get_def_user (const char *thing, const char *def);
+extern gl_list_t get_sections (void);
diff --git a/src/manpath.c b/src/manpath.c
new file mode 100644
index 0000000..35ba5f7
--- /dev/null
+++ b/src/manpath.c
@@ -0,0 +1,139 @@
+/*
+ * manpath.c: display either the manpath or catpath
+ *
+ * Copyright (C) 1994, 1995 Graeme W. Wilford. (Wilf.)
+ * Copyright (C) 2001, 2002 Colin Watson.
+ *
+ * This file is part of man-db.
+ *
+ * man-db is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * man-db is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with man-db; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ * Thu Nov 17 08:29:39 GMT 1994  Wilf. (G.Wilford@ee.surrey.ac.uk)
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif /* HAVE_CONFIG_H */
+
+#include <stdbool.h>
+#include <string.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <errno.h>
+#include <unistd.h>
+#include <limits.h>
+
+#include "argp.h"
+#include "error.h"
+#include "progname.h"
+
+#include "gettext.h"
+#define _(String) gettext (String)
+#define N_(String) gettext_noop (String)
+
+#include "manconfig.h"
+
+#include "debug.h"
+#include "util.h"
+
+#include "manp.h"
+
+int quiet = 0;
+
+static bool cat = false;
+static bool global = false;
+static const char *alt_system = "";
+extern char *user_config_file;
+
+const char *argp_program_version = "manpath " PACKAGE_VERSION;
+const char *argp_program_bug_address = PACKAGE_BUGREPORT;
+error_t argp_err_exit_status = FAIL;
+
+static struct argp_option options[] = {
+	OPT ("catpath", 'c', 0, N_("show relative catpaths")),
+	OPT ("global", 'g', 0, N_("show the entire global manpath")),
+	OPT ("debug", 'd', 0, N_("emit debugging messages")),
+	OPT ("quiet", 'q', 0, N_("produce fewer warnings")),
+	OPT ("config-file", 'C', N_("FILE"),
+	     N_("use this user configuration file")),
+	OPT ("systems", 'm', N_("SYSTEM"),
+	     N_("use manual pages from other systems")),
+	OPT_HELP_COMPAT,
+	{ 0 }
+};
+
+static error_t parse_opt (int key, char *arg, struct argp_state *state)
+{
+	switch (key) {
+		case 'c':
+			cat = true;
+			return 0;
+		case 'g':
+			global = true;
+			quiet = 1;
+			return 0;
+		case 'd':
+			debug_level = true;
+			return 0;
+		case 'q':
+			quiet = 1;
+			return 0;
+		case 'C':
+			user_config_file = arg;
+			return 0;
+		case 'm':
+			alt_system = arg;
+			return 0;
+		case 'h':
+			argp_state_help (state, state->out_stream,
+					 ARGP_HELP_STD_HELP);
+			break;
+	}
+	return ARGP_ERR_UNKNOWN;
+}
+
+static struct argp argp = { options, parse_opt };
+
+/*
+ * Examine user's PATH and print a reasonable MANPATH.
+ */
+int main (int argc, char *argv[])
+{
+	char *path_string;
+
+	set_program_name (argv[0]);
+
+	init_debug ();
+	init_locale ();
+
+	if (argp_parse (&argp, argc, argv, 0, 0, 0))
+		exit (FAIL);
+
+	path_string = get_manpath (alt_system);
+
+	if (global) {
+		path_string = get_mandb_manpath ();
+		if (!path_string)
+			error (FAIL, 0,
+			       _("warning: no global manpaths set in "
+				 "config file %s"),
+			       CONFIG_FILE);
+	}
+	if (cat)
+		path_string = cat_manpath (path_string);
+
+	printf ("%s\n", path_string);
+	exit (OK);
+}
diff --git a/src/straycats.c b/src/straycats.c
new file mode 100644
index 0000000..932230b
--- /dev/null
+++ b/src/straycats.c
@@ -0,0 +1,362 @@
+/*
+ * straycats.c: find and process stray cat files
+ *
+ * Copyright (C) 1994, 1995 Graeme W. Wilford. (Wilf.)
+ * Copyright (C) 2001, 2002, 2003, 2004, 2006, 2007, 2008, 2010, 2011
+ *               Colin Watson.
+ *
+ * This file is part of man-db.
+ *
+ * man-db is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * man-db is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with man-db; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ * Tue May  3 21:24:51 BST 1994 Wilf. (G.Wilford@ee.surrey.ac.uk)
+ */
+
+#ifdef HAVE_CONFIG_H
+#  include "config.h"
+#endif /* HAVE_CONFIG_H */
+
+#include <assert.h>
+#include <stdbool.h>
+#include <string.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <signal.h>
+#include <errno.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <unistd.h>
+#include <dirent.h>
+
+#include "canonicalize.h"
+#include "dirname.h"
+#include "error.h"
+#include "gl_array_list.h"
+#include "gl_xlist.h"
+#include "xalloc.h"
+
+#include "gettext.h"
+#define _(String) gettext (String)
+
+#include "manconfig.h"
+
+#include "appendstr.h"
+#include "compression.h"
+#include "debug.h"
+#include "filenames.h"
+#include "glcontainers.h"
+#include "pipeline.h"
+#include "decompress.h"
+#include "encodings.h"
+#include "orderfiles.h"
+#include "sandbox.h"
+#include "security.h"
+#include "util.h"
+
+#include "mydbm.h"
+#include "db_storage.h"
+
+#include "descriptions.h"
+#include "lexgrog.h"
+#include "manp.h"
+#include "manconv_client.h"
+#include "straycats.h"
+#include "ult_src.h"
+
+extern man_sandbox *sandbox;
+
+static char *catdir, *mandir;
+
+static int check_for_stray (MYDBM_FILE dbf)
+{
+	DIR *cdir;
+	struct dirent *catlist;
+	gl_list_t names;
+	const char *name;
+	size_t lenman, lencat;
+	int strays = 0;
+
+	cdir = opendir (catdir);
+	if (!cdir) {
+		error (0, errno, _("can't search directory %s"), catdir);
+		return 0;
+	}
+
+	names = new_string_list (GL_ARRAY_LIST, false);
+
+	while ((catlist = readdir (cdir)) != NULL) {
+		if (*catlist->d_name == '.' &&
+		    strlen (catlist->d_name) < (size_t) 3)
+			continue;
+		gl_list_add_last (names, xstrdup (catlist->d_name));
+	}
+	closedir (cdir);
+
+	order_files (catdir, &names);
+
+	mandir = appendstr (mandir, "/", (void *) 0);
+	catdir = appendstr (catdir, "/", (void *) 0);
+	lenman = strlen (mandir);
+	lencat = strlen (catdir);
+
+	GL_LIST_FOREACH (names, name) {
+		struct mandata *info;
+		char *ext, *section = NULL;
+		short found;
+		struct stat buf;
+		struct compression *comp;
+
+		info = XZALLOC (struct mandata);
+
+		*(mandir + lenman) = *(catdir + lencat) = '\0';
+		mandir = appendstr (mandir, name, (void *) 0);
+		catdir = appendstr (catdir, name, (void *) 0);
+
+		ext = strrchr (mandir, '.');
+		if (!ext) {
+			if (quiet < 2)
+				error (0, 0,
+				       _("warning: %s: "
+					 "ignoring bogus filename"),
+				       catdir);
+			goto next;
+		} else if (comp_info (ext, false)) {
+			*ext = '\0';
+			info->comp = xstrdup (ext + 1);
+		}
+
+		ext = strrchr (mandir, '.');
+		*(mandir + lenman - 1) = '\0';
+		section = xstrdup (strrchr (mandir, '/') + 4);
+		*(mandir + lenman - 1) = '/';
+
+		/* check for bogosity */
+
+		if (!ext || strncmp (ext + 1, section, strlen (section)) != 0) {
+			if (quiet < 2)
+				error (0, 0,
+				       _("warning: %s: "
+					 "ignoring bogus filename"),
+				       catdir);
+			goto next;
+		}
+
+		/*
+		 * now that we've stripped off the cat compression
+		 * extension (if it has one), we can try some of ours.
+		 */
+
+		debug ("Testing for existence: %s\n", mandir);
+
+		if (stat (mandir, &buf) == 0)
+			found = 1;
+		else if ((comp = comp_file (mandir))) {
+			found = 1;
+			free (comp->stem);
+		} else
+			found = 0;
+
+		if (!found) {
+			decompress *decomp;
+			struct mandata *exists;
+			lexgrog lg;
+			char *lang, *page_encoding;
+			char *mandir_base;
+			pipecmd *col_cmd;
+			char *col_locale;
+			char *fullpath;
+
+			/* we have a straycat. Need to filter it and get
+			   its whatis (if necessary)  */
+
+			lg.whatis = 0;
+			*(ext++) = '\0';
+			info->ext = xstrdup (ext);
+
+			/* see if we already have it, before going any
+			   further */
+			mandir_base = base_name (mandir);
+			exists = dblookup_exact (dbf, mandir_base, info->ext,
+						 true);
+			if (exists &&
+			    compare_ids (STRAY_CAT, exists->id, false) >= 0)
+				goto next_exists;
+			debug ("%s(%s) is not in the db.\n",
+			       mandir_base, info->ext);
+
+			/* fill in the missing parts of the structure */
+			info->sec = xstrdup (section);
+			info->id = STRAY_CAT;
+			info->filter = xstrdup ("-");
+			info->mtime.tv_sec = 0;
+			info->mtime.tv_nsec = 0;
+
+			drop_effective_privs ();
+			decomp = decompress_open (catdir, 0);
+			regain_effective_privs ();
+			if (!decomp) {
+				error (0, errno, _("can't open %s"), catdir);
+				goto next_exists;
+			}
+
+			lang = lang_dir (mandir);
+			page_encoding = get_page_encoding (lang);
+			if (page_encoding)
+				add_manconv (decompress_get_pipeline (decomp),
+					     page_encoding, "UTF-8");
+			free (page_encoding);
+			free (lang);
+
+			col_cmd = pipecmd_new_argstr
+				(get_def_user ("col", PROG_COL));
+			pipecmd_arg (col_cmd, "-bx");
+			col_locale = find_charset_locale ("UTF-8");
+			if (col_locale) {
+				pipecmd_setenv (col_cmd, "LC_CTYPE",
+						col_locale);
+				free (col_locale);
+			}
+			pipecmd_pre_exec (col_cmd, sandbox_load, sandbox_free,
+					  sandbox);
+			pipeline_command (decompress_get_pipeline (decomp),
+					  col_cmd);
+
+			fullpath = canonicalize_file_name (catdir);
+			if (!fullpath)
+				gripe_canonicalize_failed (catdir);
+			else {
+				char *catdir_base;
+
+				free (fullpath);
+				drop_effective_privs ();
+				decompress_start (decomp);
+				regain_effective_privs ();
+
+				strays++;
+
+				lg.type = CATPAGE;
+				catdir_base = base_name (catdir);
+				if (find_name_decompressed (decomp,
+							    catdir_base,
+							    &lg)) {
+					gl_list_t descs, trace;
+					strays++;
+					descs = parse_descriptions
+						(mandir_base, lg.whatis);
+					trace = new_string_list (GL_ARRAY_LIST,
+								 true);
+					gl_list_add_last (trace,
+							  xstrdup (catdir));
+					store_descriptions (dbf, descs, info,
+							    NULL, mandir_base,
+							    trace);
+					gl_list_free (trace);
+					gl_list_free (descs);
+				} else if (quiet < 2)
+					error (0, 0, _("warning: %s: whatis parse for %s(%s) failed"),
+					       catdir, mandir_base, info->sec);
+				free (catdir_base);
+			}
+
+			free (lg.whatis);
+			decompress_free (decomp);
+next_exists:
+			free_mandata_struct (exists);
+			free (mandir_base);
+		}
+next:
+		free (section);
+		free_mandata_struct (info);
+	}
+	gl_list_free (names);
+	return strays;
+}
+
+static int open_catdir (MYDBM_FILE dbf)
+{
+	DIR *cdir;
+	struct dirent *catlist;
+	size_t catlen, manlen;
+	int strays = 0;
+
+	cdir = opendir (catdir);
+	if (!cdir) {
+		error (0, errno, _("can't search directory %s"), catdir);
+		return 0;
+	}
+
+	if (!quiet)
+		printf (_("Checking for stray cats under %s...\n"), catdir);
+
+	catdir = appendstr (catdir, "/", (void *) 0);
+	mandir = appendstr (mandir, "/", (void *) 0);
+	catlen = strlen (catdir);
+	manlen = strlen (mandir);
+
+	/* should make this case insensitive */
+	while ((catlist = readdir (cdir))) {
+		char *t1;
+
+		if (strncmp (catlist->d_name, "cat", 3) != 0)
+			continue;
+
+		catdir = appendstr (catdir, catlist->d_name, (void *) 0);
+		mandir = appendstr (mandir, catlist->d_name, (void *) 0);
+
+		*(t1 = mandir + manlen) = 'm';
+		*(t1 + 2) = 'n';
+
+		strays += check_for_stray (dbf);
+
+		*(catdir + catlen) = *(mandir + manlen) = '\0';
+	}
+	closedir (cdir);
+	return strays;
+}
+
+int straycats (MYDBM_FILE dbf, const char *manpath)
+{
+	char *catpath;
+	int strays;
+
+	assert (dbf->file);
+
+	catpath = get_catpath (manpath, SYSTEM_CAT | USER_CAT);
+
+	/* look in the usual catpath location */
+	mandir = xstrdup (manpath);
+	catdir = xstrdup (manpath);
+	strays = open_catdir (dbf);
+
+	/* look in the alternate catpath location if we have one
+	   and it's different from the usual catpath */
+
+	if (catpath)
+		debug ("catpath: %s, manpath: %s\n", catpath, manpath);
+
+	if (catpath && strcmp (catpath, manpath) != 0) {
+		*mandir = *catdir = '\0';
+		mandir = appendstr (mandir, manpath, (void *) 0);
+		catdir = appendstr (catdir, catpath, (void *) 0);
+		strays += open_catdir (dbf);
+	}
+
+	free (mandir);
+	free (catdir);
+
+	free (catpath);
+
+	return strays;
+}
diff --git a/src/straycats.h b/src/straycats.h
new file mode 100644
index 0000000..cb82f08
--- /dev/null
+++ b/src/straycats.h
@@ -0,0 +1,26 @@
+/*
+ * straycats.h: interface to finding and processing stray cat files
+ *
+ * Copyright (C) 1994, 1995 Graeme W. Wilford. (Wilf.)
+ * Copyright (C) 2001-2022 Colin Watson.
+ *
+ * This file is part of man-db.
+ *
+ * man-db is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * man-db is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with man-db; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+
+#include "mydbm.h"
+
+extern int straycats (MYDBM_FILE dbf, const char *manpath);
diff --git a/src/tests/Makefile.am b/src/tests/Makefile.am
new file mode 100644
index 0000000..7cdad4a
--- /dev/null
+++ b/src/tests/Makefile.am
@@ -0,0 +1,82 @@
+## Process this file with automake to produce Makefile.in
+##
+## Copyright (C) 2009-2019 Colin Watson.
+##
+## This file is part of man-db.
+##
+## man-db is free software; you can redistribute it and/or modify it
+## under the terms of the GNU General Public License as published by
+## the Free Software Foundation; either version 2 of the License, or
+## (at your option) any later version.
+##
+## man-db is distributed in the hope that it will be useful, but
+## WITHOUT ANY WARRANTY; without even the implied warranty of
+## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+## GNU General Public License for more details.
+##
+## You should have received a copy of the GNU General Public License
+## along with man-db; if not, write to the Free Software Foundation,
+## Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+
+TESTS_ENVIRONMENT = PATH=$(abs_builddir)/..:$$PATH; export PATH; \
+		    DBTYPE=$(DBTYPE); export DBTYPE; \
+		    MANDIR_LAYOUT=$(MANDIR_LAYOUT); export MANDIR_LAYOUT; \
+		    abs_top_builddir=$(abs_top_builddir); export abs_top_builddir; \
+		    OVERRIDE_DIR="$(override_dir)"; export OVERRIDE_DIR; \
+		    troff_is_groff=$(troff_is_groff); export troff_is_groff; \
+		    HAVE_ICONV=$(HAVE_ICONV); export HAVE_ICONV;
+# Each test must use the configure-detected shell, not necessarily /bin/sh.
+AM_LOG_FLAGS = $(SHELL)
+ALL_TESTS = \
+	lexgrog-backslash-dash-rhs \
+	lexgrog-basic \
+	lexgrog-multiple-whatis \
+	man-deleted-directory \
+	man-exact-section-matches \
+	man-executable-page-on-path \
+	man-invalid-db-entry \
+	man-language-specific-requests \
+	man-mandatory-manpath \
+	man-missing-locales \
+	man-override-dir \
+	man-recode-in-place \
+	man-recode-suffix \
+	man-so-links-same-section \
+	man-suffixed-extension \
+	man-symlinks-with-matching-names \
+	manconv-coding-tags \
+	manconv-guess-from-encoding \
+	manconv-incomplete-char-at-eof \
+	manconv-odd-combinations \
+	mandb-basic \
+	mandb-bogus-symlink \
+	mandb-cachedir-tag \
+	mandb-empty-page \
+	mandb-purge-updates-timestamp \
+	mandb-regular-file-symlink-changes \
+	mandb-symlink-beats-whatis-ref \
+	mandb-symlink-target-timestamp \
+	mandb-whatis-broken-link-changes \
+	manpath-slash \
+	whatis-path-to-executable \
+	zsoelim-so-includes
+if !CROSS_COMPILING
+TESTS = $(ALL_TESTS)
+endif
+
+AM_CPPFLAGS = \
+	-I$(top_srcdir)/include \
+	-I$(top_builddir)/gl/lib \
+	-I$(top_srcdir)/gl/lib \
+	-I$(top_srcdir)/lib
+AM_CFLAGS = $(WARN_CFLAGS)
+check_PROGRAMS = fspause get-mtime
+
+fspause_SOURCES = fspause.c
+fspause_LDADD = \
+	$(top_builddir)/gl/lib/libgnu.la \
+	$(NANOSLEEP_LIB)
+get_mtime_SOURCES = get-mtime.c
+get_mtime_LDADD = $(top_builddir)/lib/libman.la
+
+dist_check_SCRIPTS = testlib.sh $(ALL_TESTS)
diff --git a/src/tests/Makefile.in b/src/tests/Makefile.in
new file mode 100644
index 0000000..d82c99d
--- /dev/null
+++ b/src/tests/Makefile.in
@@ -0,0 +1,2627 @@
+# Makefile.in generated by automake 1.16.5 from Makefile.am.
+# @configure_input@
+
+# Copyright (C) 1994-2021 Free Software Foundation, Inc.
+
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+@SET_MAKE@
+VPATH = @srcdir@
+am__is_gnu_make = { \
+  if test -z '$(MAKELEVEL)'; then \
+    false; \
+  elif test -n '$(MAKE_HOST)'; then \
+    true; \
+  elif test -n '$(MAKE_VERSION)' && test -n '$(CURDIR)'; then \
+    true; \
+  else \
+    false; \
+  fi; \
+}
+am__make_running_with_option = \
+  case $${target_option-} in \
+      ?) ;; \
+      *) echo "am__make_running_with_option: internal error: invalid" \
+              "target option '$${target_option-}' specified" >&2; \
+         exit 1;; \
+  esac; \
+  has_opt=no; \
+  sane_makeflags=$$MAKEFLAGS; \
+  if $(am__is_gnu_make); then \
+    sane_makeflags=$$MFLAGS; \
+  else \
+    case $$MAKEFLAGS in \
+      *\\[\ \	]*) \
+        bs=\\; \
+        sane_makeflags=`printf '%s\n' "$$MAKEFLAGS" \
+          | sed "s/$$bs$$bs[$$bs $$bs	]*//g"`;; \
+    esac; \
+  fi; \
+  skip_next=no; \
+  strip_trailopt () \
+  { \
+    flg=`printf '%s\n' "$$flg" | sed "s/$$1.*$$//"`; \
+  }; \
+  for flg in $$sane_makeflags; do \
+    test $$skip_next = yes && { skip_next=no; continue; }; \
+    case $$flg in \
+      *=*|--*) continue;; \
+        -*I) strip_trailopt 'I'; skip_next=yes;; \
+      -*I?*) strip_trailopt 'I';; \
+        -*O) strip_trailopt 'O'; skip_next=yes;; \
+      -*O?*) strip_trailopt 'O';; \
+        -*l) strip_trailopt 'l'; skip_next=yes;; \
+      -*l?*) strip_trailopt 'l';; \
+      -[dEDm]) skip_next=yes;; \
+      -[JT]) skip_next=yes;; \
+    esac; \
+    case $$flg in \
+      *$$target_option*) has_opt=yes; break;; \
+    esac; \
+  done; \
+  test $$has_opt = yes
+am__make_dryrun = (target_option=n; $(am__make_running_with_option))
+am__make_keepgoing = (target_option=k; $(am__make_running_with_option))
+pkgdatadir = $(datadir)/@PACKAGE@
+pkgincludedir = $(includedir)/@PACKAGE@
+pkglibdir = $(libdir)/@PACKAGE@
+pkglibexecdir = $(libexecdir)/@PACKAGE@
+am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd
+install_sh_DATA = $(install_sh) -c -m 644
+install_sh_PROGRAM = $(install_sh) -c
+install_sh_SCRIPT = $(install_sh) -c
+INSTALL_HEADER = $(INSTALL_DATA)
+transform = $(program_transform_name)
+NORMAL_INSTALL = :
+PRE_INSTALL = :
+POST_INSTALL = :
+NORMAL_UNINSTALL = :
+PRE_UNINSTALL = :
+POST_UNINSTALL = :
+build_triplet = @build@
+host_triplet = @host@
+check_PROGRAMS = fspause$(EXEEXT) get-mtime$(EXEEXT)
+subdir = src/tests
+ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
+am__aclocal_m4_deps = $(top_srcdir)/m4/man-arg-automatic-create.m4 \
+	$(top_srcdir)/m4/man-arg-automatic-update.m4 \
+	$(top_srcdir)/m4/man-arg-cache-owner.m4 \
+	$(top_srcdir)/m4/man-arg-cats.m4 \
+	$(top_srcdir)/m4/man-arg-config-file.m4 \
+	$(top_srcdir)/m4/man-arg-db.m4 \
+	$(top_srcdir)/m4/man-arg-device.m4 \
+	$(top_srcdir)/m4/man-arg-mandirs.m4 \
+	$(top_srcdir)/m4/man-arg-manual.m4 \
+	$(top_srcdir)/m4/man-arg-override-dir.m4 \
+	$(top_srcdir)/m4/man-arg-sections.m4 \
+	$(top_srcdir)/m4/man-arg-setuid.m4 \
+	$(top_srcdir)/m4/man-arg-snapdir.m4 \
+	$(top_srcdir)/m4/man-arg-systemdsystemunitdir.m4 \
+	$(top_srcdir)/m4/man-arg-systemdtmpfilesdir.m4 \
+	$(top_srcdir)/m4/man-arg-undoc.m4 $(top_srcdir)/m4/man-bdb.m4 \
+	$(top_srcdir)/m4/man-check-progs.m4 \
+	$(top_srcdir)/m4/man-compress-lib.m4 \
+	$(top_srcdir)/m4/man-gnu-nroff.m4 \
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+	$(top_srcdir)/m4/man-libseccomp.m4 \
+	$(top_srcdir)/m4/man-linguas.m4 $(top_srcdir)/m4/man-po4a.m4 \
+	$(top_srcdir)/m4/man-tar-sort-name.m4 \
+	$(top_srcdir)/m4/man-trans-subst.m4 \
+	$(top_srcdir)/gl/m4/00gnulib.m4 \
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+GL_GNULIB_FPUTS = @GL_GNULIB_FPUTS@
+GL_GNULIB_FREAD = @GL_GNULIB_FREAD@
+GL_GNULIB_FREE_POSIX = @GL_GNULIB_FREE_POSIX@
+GL_GNULIB_FREOPEN = @GL_GNULIB_FREOPEN@
+GL_GNULIB_FSCANF = @GL_GNULIB_FSCANF@
+GL_GNULIB_FSEEK = @GL_GNULIB_FSEEK@
+GL_GNULIB_FSEEKO = @GL_GNULIB_FSEEKO@
+GL_GNULIB_FSTAT = @GL_GNULIB_FSTAT@
+GL_GNULIB_FSTATAT = @GL_GNULIB_FSTATAT@
+GL_GNULIB_FSYNC = @GL_GNULIB_FSYNC@
+GL_GNULIB_FTELL = @GL_GNULIB_FTELL@
+GL_GNULIB_FTELLO = @GL_GNULIB_FTELLO@
+GL_GNULIB_FTRUNCATE = @GL_GNULIB_FTRUNCATE@
+GL_GNULIB_FUTIMENS = @GL_GNULIB_FUTIMENS@
+GL_GNULIB_FWRITE = @GL_GNULIB_FWRITE@
+GL_GNULIB_GETC = @GL_GNULIB_GETC@
+GL_GNULIB_GETCHAR = @GL_GNULIB_GETCHAR@
+GL_GNULIB_GETCWD = @GL_GNULIB_GETCWD@
+GL_GNULIB_GETDELIM = @GL_GNULIB_GETDELIM@
+GL_GNULIB_GETDOMAINNAME = @GL_GNULIB_GETDOMAINNAME@
+GL_GNULIB_GETDTABLESIZE = @GL_GNULIB_GETDTABLESIZE@
+GL_GNULIB_GETENTROPY = @GL_GNULIB_GETENTROPY@
+GL_GNULIB_GETGROUPS = @GL_GNULIB_GETGROUPS@
+GL_GNULIB_GETHOSTNAME = @GL_GNULIB_GETHOSTNAME@
+GL_GNULIB_GETLINE = @GL_GNULIB_GETLINE@
+GL_GNULIB_GETLOADAVG = @GL_GNULIB_GETLOADAVG@
+GL_GNULIB_GETLOGIN = @GL_GNULIB_GETLOGIN@
+GL_GNULIB_GETLOGIN_R = @GL_GNULIB_GETLOGIN_R@
+GL_GNULIB_GETOPT_POSIX = @GL_GNULIB_GETOPT_POSIX@
+GL_GNULIB_GETPAGESIZE = @GL_GNULIB_GETPAGESIZE@
+GL_GNULIB_GETPASS = @GL_GNULIB_GETPASS@
+GL_GNULIB_GETPASS_GNU = @GL_GNULIB_GETPASS_GNU@
+GL_GNULIB_GETPEERNAME = @GL_GNULIB_GETPEERNAME@
+GL_GNULIB_GETPROGNAME = @GL_GNULIB_GETPROGNAME@
+GL_GNULIB_GETRANDOM = @GL_GNULIB_GETRANDOM@
+GL_GNULIB_GETSOCKNAME = @GL_GNULIB_GETSOCKNAME@
+GL_GNULIB_GETSOCKOPT = @GL_GNULIB_GETSOCKOPT@
+GL_GNULIB_GETSUBOPT = @GL_GNULIB_GETSUBOPT@
+GL_GNULIB_GETTIMEOFDAY = @GL_GNULIB_GETTIMEOFDAY@
+GL_GNULIB_GETUMASK = @GL_GNULIB_GETUMASK@
+GL_GNULIB_GETUSERSHELL = @GL_GNULIB_GETUSERSHELL@
+GL_GNULIB_GLOB = @GL_GNULIB_GLOB@
+GL_GNULIB_GRANTPT = @GL_GNULIB_GRANTPT@
+GL_GNULIB_GROUP_MEMBER = @GL_GNULIB_GROUP_MEMBER@
+GL_GNULIB_IMAXABS = @GL_GNULIB_IMAXABS@
+GL_GNULIB_IMAXDIV = @GL_GNULIB_IMAXDIV@
+GL_GNULIB_IOCTL = @GL_GNULIB_IOCTL@
+GL_GNULIB_ISATTY = @GL_GNULIB_ISATTY@
+GL_GNULIB_ISBLANK = @GL_GNULIB_ISBLANK@
+GL_GNULIB_ISWBLANK = @GL_GNULIB_ISWBLANK@
+GL_GNULIB_ISWCTYPE = @GL_GNULIB_ISWCTYPE@
+GL_GNULIB_ISWDIGIT = @GL_GNULIB_ISWDIGIT@
+GL_GNULIB_ISWXDIGIT = @GL_GNULIB_ISWXDIGIT@
+GL_GNULIB_LCHMOD = @GL_GNULIB_LCHMOD@
+GL_GNULIB_LCHOWN = @GL_GNULIB_LCHOWN@
+GL_GNULIB_LINK = @GL_GNULIB_LINK@
+GL_GNULIB_LINKAT = @GL_GNULIB_LINKAT@
+GL_GNULIB_LISTEN = @GL_GNULIB_LISTEN@
+GL_GNULIB_LOCALECONV = @GL_GNULIB_LOCALECONV@
+GL_GNULIB_LOCALENAME = @GL_GNULIB_LOCALENAME@
+GL_GNULIB_LOCALTIME = @GL_GNULIB_LOCALTIME@
+GL_GNULIB_LSEEK = @GL_GNULIB_LSEEK@
+GL_GNULIB_LSTAT = @GL_GNULIB_LSTAT@
+GL_GNULIB_MALLOC_GNU = @GL_GNULIB_MALLOC_GNU@
+GL_GNULIB_MALLOC_POSIX = @GL_GNULIB_MALLOC_POSIX@
+GL_GNULIB_MBRLEN = @GL_GNULIB_MBRLEN@
+GL_GNULIB_MBRTOWC = @GL_GNULIB_MBRTOWC@
+GL_GNULIB_MBSCASECMP = @GL_GNULIB_MBSCASECMP@
+GL_GNULIB_MBSCASESTR = @GL_GNULIB_MBSCASESTR@
+GL_GNULIB_MBSCHR = @GL_GNULIB_MBSCHR@
+GL_GNULIB_MBSCSPN = @GL_GNULIB_MBSCSPN@
+GL_GNULIB_MBSINIT = @GL_GNULIB_MBSINIT@
+GL_GNULIB_MBSLEN = @GL_GNULIB_MBSLEN@
+GL_GNULIB_MBSNCASECMP = @GL_GNULIB_MBSNCASECMP@
+GL_GNULIB_MBSNLEN = @GL_GNULIB_MBSNLEN@
+GL_GNULIB_MBSNRTOWCS = @GL_GNULIB_MBSNRTOWCS@
+GL_GNULIB_MBSPBRK = @GL_GNULIB_MBSPBRK@
+GL_GNULIB_MBSPCASECMP = @GL_GNULIB_MBSPCASECMP@
+GL_GNULIB_MBSRCHR = @GL_GNULIB_MBSRCHR@
+GL_GNULIB_MBSRTOWCS = @GL_GNULIB_MBSRTOWCS@
+GL_GNULIB_MBSSEP = @GL_GNULIB_MBSSEP@
+GL_GNULIB_MBSSPN = @GL_GNULIB_MBSSPN@
+GL_GNULIB_MBSSTR = @GL_GNULIB_MBSSTR@
+GL_GNULIB_MBSTOK_R = @GL_GNULIB_MBSTOK_R@
+GL_GNULIB_MBSTOWCS = @GL_GNULIB_MBSTOWCS@
+GL_GNULIB_MBTOWC = @GL_GNULIB_MBTOWC@
+GL_GNULIB_MDA_ACCESS = @GL_GNULIB_MDA_ACCESS@
+GL_GNULIB_MDA_CHDIR = @GL_GNULIB_MDA_CHDIR@
+GL_GNULIB_MDA_CHMOD = @GL_GNULIB_MDA_CHMOD@
+GL_GNULIB_MDA_CLOSE = @GL_GNULIB_MDA_CLOSE@
+GL_GNULIB_MDA_CREAT = @GL_GNULIB_MDA_CREAT@
+GL_GNULIB_MDA_DUP = @GL_GNULIB_MDA_DUP@
+GL_GNULIB_MDA_DUP2 = @GL_GNULIB_MDA_DUP2@
+GL_GNULIB_MDA_ECVT = @GL_GNULIB_MDA_ECVT@
+GL_GNULIB_MDA_EXECL = @GL_GNULIB_MDA_EXECL@
+GL_GNULIB_MDA_EXECLE = @GL_GNULIB_MDA_EXECLE@
+GL_GNULIB_MDA_EXECLP = @GL_GNULIB_MDA_EXECLP@
+GL_GNULIB_MDA_EXECV = @GL_GNULIB_MDA_EXECV@
+GL_GNULIB_MDA_EXECVE = @GL_GNULIB_MDA_EXECVE@
+GL_GNULIB_MDA_EXECVP = @GL_GNULIB_MDA_EXECVP@
+GL_GNULIB_MDA_EXECVPE = @GL_GNULIB_MDA_EXECVPE@
+GL_GNULIB_MDA_FCLOSEALL = @GL_GNULIB_MDA_FCLOSEALL@
+GL_GNULIB_MDA_FCVT = @GL_GNULIB_MDA_FCVT@
+GL_GNULIB_MDA_FDOPEN = @GL_GNULIB_MDA_FDOPEN@
+GL_GNULIB_MDA_FILENO = @GL_GNULIB_MDA_FILENO@
+GL_GNULIB_MDA_GCVT = @GL_GNULIB_MDA_GCVT@
+GL_GNULIB_MDA_GETCWD = @GL_GNULIB_MDA_GETCWD@
+GL_GNULIB_MDA_GETPID = @GL_GNULIB_MDA_GETPID@
+GL_GNULIB_MDA_GETW = @GL_GNULIB_MDA_GETW@
+GL_GNULIB_MDA_ISATTY = @GL_GNULIB_MDA_ISATTY@
+GL_GNULIB_MDA_LSEEK = @GL_GNULIB_MDA_LSEEK@
+GL_GNULIB_MDA_MEMCCPY = @GL_GNULIB_MDA_MEMCCPY@
+GL_GNULIB_MDA_MKDIR = @GL_GNULIB_MDA_MKDIR@
+GL_GNULIB_MDA_MKTEMP = @GL_GNULIB_MDA_MKTEMP@
+GL_GNULIB_MDA_OPEN = @GL_GNULIB_MDA_OPEN@
+GL_GNULIB_MDA_PUTENV = @GL_GNULIB_MDA_PUTENV@
+GL_GNULIB_MDA_PUTW = @GL_GNULIB_MDA_PUTW@
+GL_GNULIB_MDA_READ = @GL_GNULIB_MDA_READ@
+GL_GNULIB_MDA_RMDIR = @GL_GNULIB_MDA_RMDIR@
+GL_GNULIB_MDA_STRDUP = @GL_GNULIB_MDA_STRDUP@
+GL_GNULIB_MDA_SWAB = @GL_GNULIB_MDA_SWAB@
+GL_GNULIB_MDA_TEMPNAM = @GL_GNULIB_MDA_TEMPNAM@
+GL_GNULIB_MDA_TZSET = @GL_GNULIB_MDA_TZSET@
+GL_GNULIB_MDA_UMASK = @GL_GNULIB_MDA_UMASK@
+GL_GNULIB_MDA_UNLINK = @GL_GNULIB_MDA_UNLINK@
+GL_GNULIB_MDA_UTIME = @GL_GNULIB_MDA_UTIME@
+GL_GNULIB_MDA_WCSDUP = @GL_GNULIB_MDA_WCSDUP@
+GL_GNULIB_MDA_WRITE = @GL_GNULIB_MDA_WRITE@
+GL_GNULIB_MEMCHR = @GL_GNULIB_MEMCHR@
+GL_GNULIB_MEMMEM = @GL_GNULIB_MEMMEM@
+GL_GNULIB_MEMPCPY = @GL_GNULIB_MEMPCPY@
+GL_GNULIB_MEMRCHR = @GL_GNULIB_MEMRCHR@
+GL_GNULIB_MEMSET_EXPLICIT = @GL_GNULIB_MEMSET_EXPLICIT@
+GL_GNULIB_MKDIR = @GL_GNULIB_MKDIR@
+GL_GNULIB_MKDIRAT = @GL_GNULIB_MKDIRAT@
+GL_GNULIB_MKDTEMP = @GL_GNULIB_MKDTEMP@
+GL_GNULIB_MKFIFO = @GL_GNULIB_MKFIFO@
+GL_GNULIB_MKFIFOAT = @GL_GNULIB_MKFIFOAT@
+GL_GNULIB_MKNOD = @GL_GNULIB_MKNOD@
+GL_GNULIB_MKNODAT = @GL_GNULIB_MKNODAT@
+GL_GNULIB_MKOSTEMP = @GL_GNULIB_MKOSTEMP@
+GL_GNULIB_MKOSTEMPS = @GL_GNULIB_MKOSTEMPS@
+GL_GNULIB_MKSTEMP = @GL_GNULIB_MKSTEMP@
+GL_GNULIB_MKSTEMPS = @GL_GNULIB_MKSTEMPS@
+GL_GNULIB_MKTIME = @GL_GNULIB_MKTIME@
+GL_GNULIB_NANOSLEEP = @GL_GNULIB_NANOSLEEP@
+GL_GNULIB_NL_LANGINFO = @GL_GNULIB_NL_LANGINFO@
+GL_GNULIB_NONBLOCKING = @GL_GNULIB_NONBLOCKING@
+GL_GNULIB_OBSTACK_PRINTF = @GL_GNULIB_OBSTACK_PRINTF@
+GL_GNULIB_OBSTACK_PRINTF_POSIX = @GL_GNULIB_OBSTACK_PRINTF_POSIX@
+GL_GNULIB_OPEN = @GL_GNULIB_OPEN@
+GL_GNULIB_OPENAT = @GL_GNULIB_OPENAT@
+GL_GNULIB_OPENDIR = @GL_GNULIB_OPENDIR@
+GL_GNULIB_OVERRIDES_STRUCT_STAT = @GL_GNULIB_OVERRIDES_STRUCT_STAT@
+GL_GNULIB_PCLOSE = @GL_GNULIB_PCLOSE@
+GL_GNULIB_PERROR = @GL_GNULIB_PERROR@
+GL_GNULIB_PIPE = @GL_GNULIB_PIPE@
+GL_GNULIB_PIPE2 = @GL_GNULIB_PIPE2@
+GL_GNULIB_POPEN = @GL_GNULIB_POPEN@
+GL_GNULIB_POSIX_MEMALIGN = @GL_GNULIB_POSIX_MEMALIGN@
+GL_GNULIB_POSIX_OPENPT = @GL_GNULIB_POSIX_OPENPT@
+GL_GNULIB_PREAD = @GL_GNULIB_PREAD@
+GL_GNULIB_PRINTF = @GL_GNULIB_PRINTF@
+GL_GNULIB_PRINTF_POSIX = @GL_GNULIB_PRINTF_POSIX@
+GL_GNULIB_PSELECT = @GL_GNULIB_PSELECT@
+GL_GNULIB_PTHREAD_SIGMASK = @GL_GNULIB_PTHREAD_SIGMASK@
+GL_GNULIB_PTSNAME = @GL_GNULIB_PTSNAME@
+GL_GNULIB_PTSNAME_R = @GL_GNULIB_PTSNAME_R@
+GL_GNULIB_PUTC = @GL_GNULIB_PUTC@
+GL_GNULIB_PUTCHAR = @GL_GNULIB_PUTCHAR@
+GL_GNULIB_PUTENV = @GL_GNULIB_PUTENV@
+GL_GNULIB_PUTS = @GL_GNULIB_PUTS@
+GL_GNULIB_PWRITE = @GL_GNULIB_PWRITE@
+GL_GNULIB_QSORT_R = @GL_GNULIB_QSORT_R@
+GL_GNULIB_RAISE = @GL_GNULIB_RAISE@
+GL_GNULIB_RANDOM = @GL_GNULIB_RANDOM@
+GL_GNULIB_RANDOM_R = @GL_GNULIB_RANDOM_R@
+GL_GNULIB_RAWMEMCHR = @GL_GNULIB_RAWMEMCHR@
+GL_GNULIB_READ = @GL_GNULIB_READ@
+GL_GNULIB_READDIR = @GL_GNULIB_READDIR@
+GL_GNULIB_READLINK = @GL_GNULIB_READLINK@
+GL_GNULIB_READLINKAT = @GL_GNULIB_READLINKAT@
+GL_GNULIB_REALLOCARRAY = @GL_GNULIB_REALLOCARRAY@
+GL_GNULIB_REALLOC_GNU = @GL_GNULIB_REALLOC_GNU@
+GL_GNULIB_REALLOC_POSIX = @GL_GNULIB_REALLOC_POSIX@
+GL_GNULIB_REALPATH = @GL_GNULIB_REALPATH@
+GL_GNULIB_RECV = @GL_GNULIB_RECV@
+GL_GNULIB_RECVFROM = @GL_GNULIB_RECVFROM@
+GL_GNULIB_REMOVE = @GL_GNULIB_REMOVE@
+GL_GNULIB_RENAME = @GL_GNULIB_RENAME@
+GL_GNULIB_RENAMEAT = @GL_GNULIB_RENAMEAT@
+GL_GNULIB_REWINDDIR = @GL_GNULIB_REWINDDIR@
+GL_GNULIB_RMDIR = @GL_GNULIB_RMDIR@
+GL_GNULIB_RPMATCH = @GL_GNULIB_RPMATCH@
+GL_GNULIB_SCANDIR = @GL_GNULIB_SCANDIR@
+GL_GNULIB_SCANF = @GL_GNULIB_SCANF@
+GL_GNULIB_SECURE_GETENV = @GL_GNULIB_SECURE_GETENV@
+GL_GNULIB_SELECT = @GL_GNULIB_SELECT@
+GL_GNULIB_SEND = @GL_GNULIB_SEND@
+GL_GNULIB_SENDTO = @GL_GNULIB_SENDTO@
+GL_GNULIB_SETENV = @GL_GNULIB_SETENV@
+GL_GNULIB_SETHOSTNAME = @GL_GNULIB_SETHOSTNAME@
+GL_GNULIB_SETLOCALE = @GL_GNULIB_SETLOCALE@
+GL_GNULIB_SETLOCALE_NULL = @GL_GNULIB_SETLOCALE_NULL@
+GL_GNULIB_SETSOCKOPT = @GL_GNULIB_SETSOCKOPT@
+GL_GNULIB_SHUTDOWN = @GL_GNULIB_SHUTDOWN@
+GL_GNULIB_SIGABBREV_NP = @GL_GNULIB_SIGABBREV_NP@
+GL_GNULIB_SIGACTION = @GL_GNULIB_SIGACTION@
+GL_GNULIB_SIGDESCR_NP = @GL_GNULIB_SIGDESCR_NP@
+GL_GNULIB_SIGNAL_H_SIGPIPE = @GL_GNULIB_SIGNAL_H_SIGPIPE@
+GL_GNULIB_SIGPROCMASK = @GL_GNULIB_SIGPROCMASK@
+GL_GNULIB_SLEEP = @GL_GNULIB_SLEEP@
+GL_GNULIB_SNPRINTF = @GL_GNULIB_SNPRINTF@
+GL_GNULIB_SOCKET = @GL_GNULIB_SOCKET@
+GL_GNULIB_SPRINTF_POSIX = @GL_GNULIB_SPRINTF_POSIX@
+GL_GNULIB_STAT = @GL_GNULIB_STAT@
+GL_GNULIB_STDIO_H_NONBLOCKING = @GL_GNULIB_STDIO_H_NONBLOCKING@
+GL_GNULIB_STDIO_H_SIGPIPE = @GL_GNULIB_STDIO_H_SIGPIPE@
+GL_GNULIB_STPCPY = @GL_GNULIB_STPCPY@
+GL_GNULIB_STPNCPY = @GL_GNULIB_STPNCPY@
+GL_GNULIB_STRCASESTR = @GL_GNULIB_STRCASESTR@
+GL_GNULIB_STRCHRNUL = @GL_GNULIB_STRCHRNUL@
+GL_GNULIB_STRDUP = @GL_GNULIB_STRDUP@
+GL_GNULIB_STRERROR = @GL_GNULIB_STRERROR@
+GL_GNULIB_STRERRORNAME_NP = @GL_GNULIB_STRERRORNAME_NP@
+GL_GNULIB_STRERROR_R = @GL_GNULIB_STRERROR_R@
+GL_GNULIB_STRFTIME = @GL_GNULIB_STRFTIME@
+GL_GNULIB_STRNCAT = @GL_GNULIB_STRNCAT@
+GL_GNULIB_STRNDUP = @GL_GNULIB_STRNDUP@
+GL_GNULIB_STRNLEN = @GL_GNULIB_STRNLEN@
+GL_GNULIB_STRPBRK = @GL_GNULIB_STRPBRK@
+GL_GNULIB_STRPTIME = @GL_GNULIB_STRPTIME@
+GL_GNULIB_STRSEP = @GL_GNULIB_STRSEP@
+GL_GNULIB_STRSIGNAL = @GL_GNULIB_STRSIGNAL@
+GL_GNULIB_STRSTR = @GL_GNULIB_STRSTR@
+GL_GNULIB_STRTOD = @GL_GNULIB_STRTOD@
+GL_GNULIB_STRTOIMAX = @GL_GNULIB_STRTOIMAX@
+GL_GNULIB_STRTOK_R = @GL_GNULIB_STRTOK_R@
+GL_GNULIB_STRTOL = @GL_GNULIB_STRTOL@
+GL_GNULIB_STRTOLD = @GL_GNULIB_STRTOLD@
+GL_GNULIB_STRTOLL = @GL_GNULIB_STRTOLL@
+GL_GNULIB_STRTOUL = @GL_GNULIB_STRTOUL@
+GL_GNULIB_STRTOULL = @GL_GNULIB_STRTOULL@
+GL_GNULIB_STRTOUMAX = @GL_GNULIB_STRTOUMAX@
+GL_GNULIB_STRVERSCMP = @GL_GNULIB_STRVERSCMP@
+GL_GNULIB_SYMLINK = @GL_GNULIB_SYMLINK@
+GL_GNULIB_SYMLINKAT = @GL_GNULIB_SYMLINKAT@
+GL_GNULIB_SYSTEM_POSIX = @GL_GNULIB_SYSTEM_POSIX@
+GL_GNULIB_TCGETSID = @GL_GNULIB_TCGETSID@
+GL_GNULIB_TIME = @GL_GNULIB_TIME@
+GL_GNULIB_TIMEGM = @GL_GNULIB_TIMEGM@
+GL_GNULIB_TIMESPEC_GET = @GL_GNULIB_TIMESPEC_GET@
+GL_GNULIB_TIMESPEC_GETRES = @GL_GNULIB_TIMESPEC_GETRES@
+GL_GNULIB_TIME_R = @GL_GNULIB_TIME_R@
+GL_GNULIB_TIME_RZ = @GL_GNULIB_TIME_RZ@
+GL_GNULIB_TMPFILE = @GL_GNULIB_TMPFILE@
+GL_GNULIB_TOWCTRANS = @GL_GNULIB_TOWCTRANS@
+GL_GNULIB_TRUNCATE = @GL_GNULIB_TRUNCATE@
+GL_GNULIB_TTYNAME_R = @GL_GNULIB_TTYNAME_R@
+GL_GNULIB_TZSET = @GL_GNULIB_TZSET@
+GL_GNULIB_UNISTD_H_GETOPT = @GL_GNULIB_UNISTD_H_GETOPT@
+GL_GNULIB_UNISTD_H_NONBLOCKING = @GL_GNULIB_UNISTD_H_NONBLOCKING@
+GL_GNULIB_UNISTD_H_SIGPIPE = @GL_GNULIB_UNISTD_H_SIGPIPE@
+GL_GNULIB_UNLINK = @GL_GNULIB_UNLINK@
+GL_GNULIB_UNLINKAT = @GL_GNULIB_UNLINKAT@
+GL_GNULIB_UNLOCKPT = @GL_GNULIB_UNLOCKPT@
+GL_GNULIB_UNSETENV = @GL_GNULIB_UNSETENV@
+GL_GNULIB_USLEEP = @GL_GNULIB_USLEEP@
+GL_GNULIB_UTIME = @GL_GNULIB_UTIME@
+GL_GNULIB_UTIMENSAT = @GL_GNULIB_UTIMENSAT@
+GL_GNULIB_VASPRINTF = @GL_GNULIB_VASPRINTF@
+GL_GNULIB_VDPRINTF = @GL_GNULIB_VDPRINTF@
+GL_GNULIB_VFPRINTF = @GL_GNULIB_VFPRINTF@
+GL_GNULIB_VFPRINTF_POSIX = @GL_GNULIB_VFPRINTF_POSIX@
+GL_GNULIB_VFSCANF = @GL_GNULIB_VFSCANF@
+GL_GNULIB_VPRINTF = @GL_GNULIB_VPRINTF@
+GL_GNULIB_VPRINTF_POSIX = @GL_GNULIB_VPRINTF_POSIX@
+GL_GNULIB_VSCANF = @GL_GNULIB_VSCANF@
+GL_GNULIB_VSNPRINTF = @GL_GNULIB_VSNPRINTF@
+GL_GNULIB_VSPRINTF_POSIX = @GL_GNULIB_VSPRINTF_POSIX@
+GL_GNULIB_WCPCPY = @GL_GNULIB_WCPCPY@
+GL_GNULIB_WCPNCPY = @GL_GNULIB_WCPNCPY@
+GL_GNULIB_WCRTOMB = @GL_GNULIB_WCRTOMB@
+GL_GNULIB_WCSCASECMP = @GL_GNULIB_WCSCASECMP@
+GL_GNULIB_WCSCAT = @GL_GNULIB_WCSCAT@
+GL_GNULIB_WCSCHR = @GL_GNULIB_WCSCHR@
+GL_GNULIB_WCSCMP = @GL_GNULIB_WCSCMP@
+GL_GNULIB_WCSCOLL = @GL_GNULIB_WCSCOLL@
+GL_GNULIB_WCSCPY = @GL_GNULIB_WCSCPY@
+GL_GNULIB_WCSCSPN = @GL_GNULIB_WCSCSPN@
+GL_GNULIB_WCSDUP = @GL_GNULIB_WCSDUP@
+GL_GNULIB_WCSFTIME = @GL_GNULIB_WCSFTIME@
+GL_GNULIB_WCSLEN = @GL_GNULIB_WCSLEN@
+GL_GNULIB_WCSNCASECMP = @GL_GNULIB_WCSNCASECMP@
+GL_GNULIB_WCSNCAT = @GL_GNULIB_WCSNCAT@
+GL_GNULIB_WCSNCMP = @GL_GNULIB_WCSNCMP@
+GL_GNULIB_WCSNCPY = @GL_GNULIB_WCSNCPY@
+GL_GNULIB_WCSNLEN = @GL_GNULIB_WCSNLEN@
+GL_GNULIB_WCSNRTOMBS = @GL_GNULIB_WCSNRTOMBS@
+GL_GNULIB_WCSPBRK = @GL_GNULIB_WCSPBRK@
+GL_GNULIB_WCSRCHR = @GL_GNULIB_WCSRCHR@
+GL_GNULIB_WCSRTOMBS = @GL_GNULIB_WCSRTOMBS@
+GL_GNULIB_WCSSPN = @GL_GNULIB_WCSSPN@
+GL_GNULIB_WCSSTR = @GL_GNULIB_WCSSTR@
+GL_GNULIB_WCSTOK = @GL_GNULIB_WCSTOK@
+GL_GNULIB_WCSWIDTH = @GL_GNULIB_WCSWIDTH@
+GL_GNULIB_WCSXFRM = @GL_GNULIB_WCSXFRM@
+GL_GNULIB_WCTOB = @GL_GNULIB_WCTOB@
+GL_GNULIB_WCTOMB = @GL_GNULIB_WCTOMB@
+GL_GNULIB_WCTRANS = @GL_GNULIB_WCTRANS@
+GL_GNULIB_WCTYPE = @GL_GNULIB_WCTYPE@
+GL_GNULIB_WCWIDTH = @GL_GNULIB_WCWIDTH@
+GL_GNULIB_WMEMCHR = @GL_GNULIB_WMEMCHR@
+GL_GNULIB_WMEMCMP = @GL_GNULIB_WMEMCMP@
+GL_GNULIB_WMEMCPY = @GL_GNULIB_WMEMCPY@
+GL_GNULIB_WMEMMOVE = @GL_GNULIB_WMEMMOVE@
+GL_GNULIB_WMEMPCPY = @GL_GNULIB_WMEMPCPY@
+GL_GNULIB_WMEMSET = @GL_GNULIB_WMEMSET@
+GL_GNULIB_WRITE = @GL_GNULIB_WRITE@
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+GNULIB_GETTIMEOFDAY = @GNULIB_GETTIMEOFDAY@
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+HAVE_GETGROUPS = @HAVE_GETGROUPS@
+HAVE_GETHOSTNAME = @HAVE_GETHOSTNAME@
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+HAVE_GETPAGESIZE = @HAVE_GETPAGESIZE@
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+HAVE_GETTIMEOFDAY = @HAVE_GETTIMEOFDAY@
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+HAVE_LANGINFO_ERA = @HAVE_LANGINFO_ERA@
+HAVE_LANGINFO_H = @HAVE_LANGINFO_H@
+HAVE_LANGINFO_T_FMT_AMPM = @HAVE_LANGINFO_T_FMT_AMPM@
+HAVE_LANGINFO_YESEXPR = @HAVE_LANGINFO_YESEXPR@
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+HAVE_MBSNRTOWCS = @HAVE_MBSNRTOWCS@
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+HAVE_MBTOWC = @HAVE_MBTOWC@
+HAVE_MEMPCPY = @HAVE_MEMPCPY@
+HAVE_MEMSET_EXPLICIT = @HAVE_MEMSET_EXPLICIT@
+HAVE_MKDIRAT = @HAVE_MKDIRAT@
+HAVE_MKDTEMP = @HAVE_MKDTEMP@
+HAVE_MKFIFO = @HAVE_MKFIFO@
+HAVE_MKFIFOAT = @HAVE_MKFIFOAT@
+HAVE_MKNOD = @HAVE_MKNOD@
+HAVE_MKNODAT = @HAVE_MKNODAT@
+HAVE_MKOSTEMP = @HAVE_MKOSTEMP@
+HAVE_MKOSTEMPS = @HAVE_MKOSTEMPS@
+HAVE_MKSTEMP = @HAVE_MKSTEMP@
+HAVE_MKSTEMPS = @HAVE_MKSTEMPS@
+HAVE_MSVC_INVALID_PARAMETER_HANDLER = @HAVE_MSVC_INVALID_PARAMETER_HANDLER@
+HAVE_NANOSLEEP = @HAVE_NANOSLEEP@
+HAVE_NEWLOCALE = @HAVE_NEWLOCALE@
+HAVE_NL_LANGINFO = @HAVE_NL_LANGINFO@
+HAVE_OPENAT = @HAVE_OPENAT@
+HAVE_OPENDIR = @HAVE_OPENDIR@
+HAVE_OS_H = @HAVE_OS_H@
+HAVE_PCLOSE = @HAVE_PCLOSE@
+HAVE_PIPE = @HAVE_PIPE@
+HAVE_PIPE2 = @HAVE_PIPE2@
+HAVE_POPEN = @HAVE_POPEN@
+HAVE_POSIX_MEMALIGN = @HAVE_POSIX_MEMALIGN@
+HAVE_POSIX_OPENPT = @HAVE_POSIX_OPENPT@
+HAVE_POSIX_SIGNALBLOCKING = @HAVE_POSIX_SIGNALBLOCKING@
+HAVE_PREAD = @HAVE_PREAD@
+HAVE_PSELECT = @HAVE_PSELECT@
+HAVE_PTHREAD_SIGMASK = @HAVE_PTHREAD_SIGMASK@
+HAVE_PTSNAME = @HAVE_PTSNAME@
+HAVE_PTSNAME_R = @HAVE_PTSNAME_R@
+HAVE_PWRITE = @HAVE_PWRITE@
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+HAVE_RANDOM_H = @HAVE_RANDOM_H@
+HAVE_RANDOM_R = @HAVE_RANDOM_R@
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+HAVE_READLINK = @HAVE_READLINK@
+HAVE_READLINKAT = @HAVE_READLINKAT@
+HAVE_REALLOCARRAY = @HAVE_REALLOCARRAY@
+HAVE_REALPATH = @HAVE_REALPATH@
+HAVE_RENAMEAT = @HAVE_RENAMEAT@
+HAVE_REWINDDIR = @HAVE_REWINDDIR@
+HAVE_RPMATCH = @HAVE_RPMATCH@
+HAVE_SA_FAMILY_T = @HAVE_SA_FAMILY_T@
+HAVE_SCANDIR = @HAVE_SCANDIR@
+HAVE_SECURE_GETENV = @HAVE_SECURE_GETENV@
+HAVE_SETENV = @HAVE_SETENV@
+HAVE_SETHOSTNAME = @HAVE_SETHOSTNAME@
+HAVE_SETSTATE = @HAVE_SETSTATE@
+HAVE_SIGABBREV_NP = @HAVE_SIGABBREV_NP@
+HAVE_SIGACTION = @HAVE_SIGACTION@
+HAVE_SIGDESCR_NP = @HAVE_SIGDESCR_NP@
+HAVE_SIGHANDLER_T = @HAVE_SIGHANDLER_T@
+HAVE_SIGINFO_T = @HAVE_SIGINFO_T@
+HAVE_SIGNED_SIG_ATOMIC_T = @HAVE_SIGNED_SIG_ATOMIC_T@
+HAVE_SIGNED_WCHAR_T = @HAVE_SIGNED_WCHAR_T@
+HAVE_SIGNED_WINT_T = @HAVE_SIGNED_WINT_T@
+HAVE_SIGSET_T = @HAVE_SIGSET_T@
+HAVE_SLEEP = @HAVE_SLEEP@
+HAVE_STDINT_H = @HAVE_STDINT_H@
+HAVE_STPCPY = @HAVE_STPCPY@
+HAVE_STPNCPY = @HAVE_STPNCPY@
+HAVE_STRCASECMP = @HAVE_STRCASECMP@
+HAVE_STRCASESTR = @HAVE_STRCASESTR@
+HAVE_STRCHRNUL = @HAVE_STRCHRNUL@
+HAVE_STRERRORNAME_NP = @HAVE_STRERRORNAME_NP@
+HAVE_STRINGS_H = @HAVE_STRINGS_H@
+HAVE_STRPBRK = @HAVE_STRPBRK@
+HAVE_STRPTIME = @HAVE_STRPTIME@
+HAVE_STRSEP = @HAVE_STRSEP@
+HAVE_STRTOD = @HAVE_STRTOD@
+HAVE_STRTOL = @HAVE_STRTOL@
+HAVE_STRTOLD = @HAVE_STRTOLD@
+HAVE_STRTOLL = @HAVE_STRTOLL@
+HAVE_STRTOUL = @HAVE_STRTOUL@
+HAVE_STRTOULL = @HAVE_STRTOULL@
+HAVE_STRUCT_RANDOM_DATA = @HAVE_STRUCT_RANDOM_DATA@
+HAVE_STRUCT_SIGACTION_SA_SIGACTION = @HAVE_STRUCT_SIGACTION_SA_SIGACTION@
+HAVE_STRUCT_SOCKADDR_STORAGE = @HAVE_STRUCT_SOCKADDR_STORAGE@
+HAVE_STRUCT_SOCKADDR_STORAGE_SS_FAMILY = @HAVE_STRUCT_SOCKADDR_STORAGE_SS_FAMILY@
+HAVE_STRUCT_TIMEVAL = @HAVE_STRUCT_TIMEVAL@
+HAVE_STRVERSCMP = @HAVE_STRVERSCMP@
+HAVE_SYMLINK = @HAVE_SYMLINK@
+HAVE_SYMLINKAT = @HAVE_SYMLINKAT@
+HAVE_SYSEXITS_H = @HAVE_SYSEXITS_H@
+HAVE_SYS_BITYPES_H = @HAVE_SYS_BITYPES_H@
+HAVE_SYS_CDEFS_H = @HAVE_SYS_CDEFS_H@
+HAVE_SYS_FILE_H = @HAVE_SYS_FILE_H@
+HAVE_SYS_INTTYPES_H = @HAVE_SYS_INTTYPES_H@
+HAVE_SYS_IOCTL_H = @HAVE_SYS_IOCTL_H@
+HAVE_SYS_LOADAVG_H = @HAVE_SYS_LOADAVG_H@
+HAVE_SYS_PARAM_H = @HAVE_SYS_PARAM_H@
+HAVE_SYS_RANDOM_H = @HAVE_SYS_RANDOM_H@
+HAVE_SYS_SELECT_H = @HAVE_SYS_SELECT_H@
+HAVE_SYS_SOCKET_H = @HAVE_SYS_SOCKET_H@
+HAVE_SYS_TIME_H = @HAVE_SYS_TIME_H@
+HAVE_SYS_TYPES_H = @HAVE_SYS_TYPES_H@
+HAVE_SYS_UIO_H = @HAVE_SYS_UIO_H@
+HAVE_TERMIOS_H = @HAVE_TERMIOS_H@
+HAVE_TIMEGM = @HAVE_TIMEGM@
+HAVE_TIMESPEC_GET = @HAVE_TIMESPEC_GET@
+HAVE_TIMESPEC_GETRES = @HAVE_TIMESPEC_GETRES@
+HAVE_TIMEZONE_T = @HAVE_TIMEZONE_T@
+HAVE_TYPE_VOLATILE_SIG_ATOMIC_T = @HAVE_TYPE_VOLATILE_SIG_ATOMIC_T@
+HAVE_UNISTD_H = @HAVE_UNISTD_H@
+HAVE_UNLINKAT = @HAVE_UNLINKAT@
+HAVE_UNLOCKPT = @HAVE_UNLOCKPT@
+HAVE_USLEEP = @HAVE_USLEEP@
+HAVE_UTIME = @HAVE_UTIME@
+HAVE_UTIMENSAT = @HAVE_UTIMENSAT@
+HAVE_UTIME_H = @HAVE_UTIME_H@
+HAVE_VASPRINTF = @HAVE_VASPRINTF@
+HAVE_VDPRINTF = @HAVE_VDPRINTF@
+HAVE_VISIBILITY = @HAVE_VISIBILITY@
+HAVE_WCHAR_H = @HAVE_WCHAR_H@
+HAVE_WCHAR_T = @HAVE_WCHAR_T@
+HAVE_WCPCPY = @HAVE_WCPCPY@
+HAVE_WCPNCPY = @HAVE_WCPNCPY@
+HAVE_WCRTOMB = @HAVE_WCRTOMB@
+HAVE_WCSCASECMP = @HAVE_WCSCASECMP@
+HAVE_WCSCAT = @HAVE_WCSCAT@
+HAVE_WCSCHR = @HAVE_WCSCHR@
+HAVE_WCSCMP = @HAVE_WCSCMP@
+HAVE_WCSCOLL = @HAVE_WCSCOLL@
+HAVE_WCSCPY = @HAVE_WCSCPY@
+HAVE_WCSCSPN = @HAVE_WCSCSPN@
+HAVE_WCSDUP = @HAVE_WCSDUP@
+HAVE_WCSFTIME = @HAVE_WCSFTIME@
+HAVE_WCSLEN = @HAVE_WCSLEN@
+HAVE_WCSNCASECMP = @HAVE_WCSNCASECMP@
+HAVE_WCSNCAT = @HAVE_WCSNCAT@
+HAVE_WCSNCMP = @HAVE_WCSNCMP@
+HAVE_WCSNCPY = @HAVE_WCSNCPY@
+HAVE_WCSNLEN = @HAVE_WCSNLEN@
+HAVE_WCSNRTOMBS = @HAVE_WCSNRTOMBS@
+HAVE_WCSPBRK = @HAVE_WCSPBRK@
+HAVE_WCSRCHR = @HAVE_WCSRCHR@
+HAVE_WCSRTOMBS = @HAVE_WCSRTOMBS@
+HAVE_WCSSPN = @HAVE_WCSSPN@
+HAVE_WCSSTR = @HAVE_WCSSTR@
+HAVE_WCSTOK = @HAVE_WCSTOK@
+HAVE_WCSWIDTH = @HAVE_WCSWIDTH@
+HAVE_WCSXFRM = @HAVE_WCSXFRM@
+HAVE_WCTRANS_T = @HAVE_WCTRANS_T@
+HAVE_WCTYPE_H = @HAVE_WCTYPE_H@
+HAVE_WCTYPE_T = @HAVE_WCTYPE_T@
+HAVE_WINSOCK2_H = @HAVE_WINSOCK2_H@
+HAVE_WINT_T = @HAVE_WINT_T@
+HAVE_WMEMCHR = @HAVE_WMEMCHR@
+HAVE_WMEMCMP = @HAVE_WMEMCMP@
+HAVE_WMEMCPY = @HAVE_WMEMCPY@
+HAVE_WMEMMOVE = @HAVE_WMEMMOVE@
+HAVE_WMEMPCPY = @HAVE_WMEMPCPY@
+HAVE_WMEMSET = @HAVE_WMEMSET@
+HAVE_WS2TCPIP_H = @HAVE_WS2TCPIP_H@
+HAVE_XLOCALE_H = @HAVE_XLOCALE_H@
+HAVE__EXIT = @HAVE__EXIT@
+IGNORE_UNUSED_LIBRARIES_CFLAGS = @IGNORE_UNUSED_LIBRARIES_CFLAGS@
+INCLUDE_NEXT = @INCLUDE_NEXT@
+INCLUDE_NEXT_AS_FIRST_DIRECTIVE = @INCLUDE_NEXT_AS_FIRST_DIRECTIVE@
+INSTALL = @INSTALL@
+INSTALL_DATA = @INSTALL_DATA@
+INSTALL_PROGRAM = @INSTALL_PROGRAM@
+INSTALL_SCRIPT = @INSTALL_SCRIPT@
+INSTALL_STRIP_PROGRAM = @INSTALL_STRIP_PROGRAM@
+INT32_MAX_LT_INTMAX_MAX = @INT32_MAX_LT_INTMAX_MAX@
+INT64_MAX_EQ_LONG_MAX = @INT64_MAX_EQ_LONG_MAX@
+INTLLIBS = @INTLLIBS@
+INTL_MACOSX_LIBS = @INTL_MACOSX_LIBS@
+LC_COLLATE_IMPLEMENTED = @LC_COLLATE_IMPLEMENTED@
+LC_MONETARY_IMPLEMENTED = @LC_MONETARY_IMPLEMENTED@
+LC_NUMERIC_IMPLEMENTED = @LC_NUMERIC_IMPLEMENTED@
+LC_TIME_IMPLEMENTED = @LC_TIME_IMPLEMENTED@
+LD = @LD@
+LDFLAGS = @LDFLAGS@
+LEX = @LEX@
+LEXLIB = @LEXLIB@
+LEX_OUTPUT_ROOT = @LEX_OUTPUT_ROOT@
+LIBCOMPRESS = @LIBCOMPRESS@
+LIBICONV = @LIBICONV@
+LIBINTL = @LIBINTL@
+LIBMAN_EXPORT_LDFLAGS = @LIBMAN_EXPORT_LDFLAGS@
+LIBMULTITHREAD = @LIBMULTITHREAD@
+LIBOBJS = @LIBOBJS@
+LIBPMULTITHREAD = @LIBPMULTITHREAD@
+LIBPTHREAD = @LIBPTHREAD@
+LIBS = @LIBS@
+LIBSOCKET = @LIBSOCKET@
+LIBSTDTHREAD = @LIBSTDTHREAD@
+LIBTHREAD = @LIBTHREAD@
+LIBTOOL = @LIBTOOL@
+LIB_CLOCK_GETTIME = @LIB_CLOCK_GETTIME@
+LIB_GETLOGIN = @LIB_GETLOGIN@
+LIB_GETRANDOM = @LIB_GETRANDOM@
+LIB_HARD_LOCALE = @LIB_HARD_LOCALE@
+LIB_MBRTOWC = @LIB_MBRTOWC@
+LIB_NANOSLEEP = @LIB_NANOSLEEP@
+LIB_NL_LANGINFO = @LIB_NL_LANGINFO@
+LIB_PTHREAD_SIGMASK = @LIB_PTHREAD_SIGMASK@
+LIB_SCHED_YIELD = @LIB_SCHED_YIELD@
+LIB_SELECT = @LIB_SELECT@
+LIB_SETLOCALE_NULL = @LIB_SETLOCALE_NULL@
+LIMITS_H = @LIMITS_H@
+LINGUAS = @LINGUAS@
+LIPO = @LIPO@
+LN_S = @LN_S@
+LOCALCHARSET_TESTS_ENVIRONMENT = @LOCALCHARSET_TESTS_ENVIRONMENT@
+LOCALENAME_ENHANCE_LOCALE_FUNCS = @LOCALENAME_ENHANCE_LOCALE_FUNCS@
+LOCALE_FR = @LOCALE_FR@
+LOCALE_FR_UTF8 = @LOCALE_FR_UTF8@
+LOCALE_JA = @LOCALE_JA@
+LOCALE_ZH_CN = @LOCALE_ZH_CN@
+LTALLOCA = @LTALLOCA@
+LTLIBICONV = @LTLIBICONV@
+LTLIBINTL = @LTLIBINTL@
+LTLIBMULTITHREAD = @LTLIBMULTITHREAD@
+LTLIBOBJS = @LTLIBOBJS@
+LTLIBTHREAD = @LTLIBTHREAD@
+LT_SYS_LIBRARY_PATH = @LT_SYS_LIBRARY_PATH@
+MAKEINFO = @MAKEINFO@
+MANDIR_LAYOUT = @MANDIR_LAYOUT@
+MANIFEST_TOOL = @MANIFEST_TOOL@
+MAN_SUBDIRS = @MAN_SUBDIRS@
+MBRTOWC_LIB = @MBRTOWC_LIB@
+MKDIR_P = @MKDIR_P@
+MSGFMT = @MSGFMT@
+MSGFMT_015 = @MSGFMT_015@
+MSGMERGE = @MSGMERGE@
+NANOSLEEP_LIB = @NANOSLEEP_LIB@
+NEXT_ASSERT_H = @NEXT_ASSERT_H@
+NEXT_AS_FIRST_DIRECTIVE_ASSERT_H = @NEXT_AS_FIRST_DIRECTIVE_ASSERT_H@
+NEXT_AS_FIRST_DIRECTIVE_CTYPE_H = @NEXT_AS_FIRST_DIRECTIVE_CTYPE_H@
+NEXT_AS_FIRST_DIRECTIVE_DIRENT_H = @NEXT_AS_FIRST_DIRECTIVE_DIRENT_H@
+NEXT_AS_FIRST_DIRECTIVE_ERRNO_H = @NEXT_AS_FIRST_DIRECTIVE_ERRNO_H@
+NEXT_AS_FIRST_DIRECTIVE_ERROR_H = @NEXT_AS_FIRST_DIRECTIVE_ERROR_H@
+NEXT_AS_FIRST_DIRECTIVE_FCNTL_H = @NEXT_AS_FIRST_DIRECTIVE_FCNTL_H@
+NEXT_AS_FIRST_DIRECTIVE_FLOAT_H = @NEXT_AS_FIRST_DIRECTIVE_FLOAT_H@
+NEXT_AS_FIRST_DIRECTIVE_FNMATCH_H = @NEXT_AS_FIRST_DIRECTIVE_FNMATCH_H@
+NEXT_AS_FIRST_DIRECTIVE_GETOPT_H = @NEXT_AS_FIRST_DIRECTIVE_GETOPT_H@
+NEXT_AS_FIRST_DIRECTIVE_GLOB_H = @NEXT_AS_FIRST_DIRECTIVE_GLOB_H@
+NEXT_AS_FIRST_DIRECTIVE_INTTYPES_H = @NEXT_AS_FIRST_DIRECTIVE_INTTYPES_H@
+NEXT_AS_FIRST_DIRECTIVE_LANGINFO_H = @NEXT_AS_FIRST_DIRECTIVE_LANGINFO_H@
+NEXT_AS_FIRST_DIRECTIVE_LIMITS_H = @NEXT_AS_FIRST_DIRECTIVE_LIMITS_H@
+NEXT_AS_FIRST_DIRECTIVE_LOCALE_H = @NEXT_AS_FIRST_DIRECTIVE_LOCALE_H@
+NEXT_AS_FIRST_DIRECTIVE_SIGNAL_H = @NEXT_AS_FIRST_DIRECTIVE_SIGNAL_H@
+NEXT_AS_FIRST_DIRECTIVE_STDARG_H = @NEXT_AS_FIRST_DIRECTIVE_STDARG_H@
+NEXT_AS_FIRST_DIRECTIVE_STDDEF_H = @NEXT_AS_FIRST_DIRECTIVE_STDDEF_H@
+NEXT_AS_FIRST_DIRECTIVE_STDINT_H = @NEXT_AS_FIRST_DIRECTIVE_STDINT_H@
+NEXT_AS_FIRST_DIRECTIVE_STDIO_H = @NEXT_AS_FIRST_DIRECTIVE_STDIO_H@
+NEXT_AS_FIRST_DIRECTIVE_STDLIB_H = @NEXT_AS_FIRST_DIRECTIVE_STDLIB_H@
+NEXT_AS_FIRST_DIRECTIVE_STRINGS_H = @NEXT_AS_FIRST_DIRECTIVE_STRINGS_H@
+NEXT_AS_FIRST_DIRECTIVE_STRING_H = @NEXT_AS_FIRST_DIRECTIVE_STRING_H@
+NEXT_AS_FIRST_DIRECTIVE_SYSEXITS_H = @NEXT_AS_FIRST_DIRECTIVE_SYSEXITS_H@
+NEXT_AS_FIRST_DIRECTIVE_SYS_FILE_H = @NEXT_AS_FIRST_DIRECTIVE_SYS_FILE_H@
+NEXT_AS_FIRST_DIRECTIVE_SYS_IOCTL_H = @NEXT_AS_FIRST_DIRECTIVE_SYS_IOCTL_H@
+NEXT_AS_FIRST_DIRECTIVE_SYS_RANDOM_H = @NEXT_AS_FIRST_DIRECTIVE_SYS_RANDOM_H@
+NEXT_AS_FIRST_DIRECTIVE_SYS_SELECT_H = @NEXT_AS_FIRST_DIRECTIVE_SYS_SELECT_H@
+NEXT_AS_FIRST_DIRECTIVE_SYS_SOCKET_H = @NEXT_AS_FIRST_DIRECTIVE_SYS_SOCKET_H@
+NEXT_AS_FIRST_DIRECTIVE_SYS_STAT_H = @NEXT_AS_FIRST_DIRECTIVE_SYS_STAT_H@
+NEXT_AS_FIRST_DIRECTIVE_SYS_TIME_H = @NEXT_AS_FIRST_DIRECTIVE_SYS_TIME_H@
+NEXT_AS_FIRST_DIRECTIVE_SYS_TYPES_H = @NEXT_AS_FIRST_DIRECTIVE_SYS_TYPES_H@
+NEXT_AS_FIRST_DIRECTIVE_SYS_UIO_H = @NEXT_AS_FIRST_DIRECTIVE_SYS_UIO_H@
+NEXT_AS_FIRST_DIRECTIVE_TERMIOS_H = @NEXT_AS_FIRST_DIRECTIVE_TERMIOS_H@
+NEXT_AS_FIRST_DIRECTIVE_TIME_H = @NEXT_AS_FIRST_DIRECTIVE_TIME_H@
+NEXT_AS_FIRST_DIRECTIVE_UNISTD_H = @NEXT_AS_FIRST_DIRECTIVE_UNISTD_H@
+NEXT_AS_FIRST_DIRECTIVE_UTIME_H = @NEXT_AS_FIRST_DIRECTIVE_UTIME_H@
+NEXT_AS_FIRST_DIRECTIVE_WCHAR_H = @NEXT_AS_FIRST_DIRECTIVE_WCHAR_H@
+NEXT_AS_FIRST_DIRECTIVE_WCTYPE_H = @NEXT_AS_FIRST_DIRECTIVE_WCTYPE_H@
+NEXT_CTYPE_H = @NEXT_CTYPE_H@
+NEXT_DIRENT_H = @NEXT_DIRENT_H@
+NEXT_ERRNO_H = @NEXT_ERRNO_H@
+NEXT_ERROR_H = @NEXT_ERROR_H@
+NEXT_FCNTL_H = @NEXT_FCNTL_H@
+NEXT_FLOAT_H = @NEXT_FLOAT_H@
+NEXT_FNMATCH_H = @NEXT_FNMATCH_H@
+NEXT_GETOPT_H = @NEXT_GETOPT_H@
+NEXT_GLOB_H = @NEXT_GLOB_H@
+NEXT_INTTYPES_H = @NEXT_INTTYPES_H@
+NEXT_LANGINFO_H = @NEXT_LANGINFO_H@
+NEXT_LIMITS_H = @NEXT_LIMITS_H@
+NEXT_LOCALE_H = @NEXT_LOCALE_H@
+NEXT_SIGNAL_H = @NEXT_SIGNAL_H@
+NEXT_STDARG_H = @NEXT_STDARG_H@
+NEXT_STDDEF_H = @NEXT_STDDEF_H@
+NEXT_STDINT_H = @NEXT_STDINT_H@
+NEXT_STDIO_H = @NEXT_STDIO_H@
+NEXT_STDLIB_H = @NEXT_STDLIB_H@
+NEXT_STRINGS_H = @NEXT_STRINGS_H@
+NEXT_STRING_H = @NEXT_STRING_H@
+NEXT_SYSEXITS_H = @NEXT_SYSEXITS_H@
+NEXT_SYS_FILE_H = @NEXT_SYS_FILE_H@
+NEXT_SYS_IOCTL_H = @NEXT_SYS_IOCTL_H@
+NEXT_SYS_RANDOM_H = @NEXT_SYS_RANDOM_H@
+NEXT_SYS_SELECT_H = @NEXT_SYS_SELECT_H@
+NEXT_SYS_SOCKET_H = @NEXT_SYS_SOCKET_H@
+NEXT_SYS_STAT_H = @NEXT_SYS_STAT_H@
+NEXT_SYS_TIME_H = @NEXT_SYS_TIME_H@
+NEXT_SYS_TYPES_H = @NEXT_SYS_TYPES_H@
+NEXT_SYS_UIO_H = @NEXT_SYS_UIO_H@
+NEXT_TERMIOS_H = @NEXT_TERMIOS_H@
+NEXT_TIME_H = @NEXT_TIME_H@
+NEXT_UNISTD_H = @NEXT_UNISTD_H@
+NEXT_UTIME_H = @NEXT_UTIME_H@
+NEXT_WCHAR_H = @NEXT_WCHAR_H@
+NEXT_WCTYPE_H = @NEXT_WCTYPE_H@
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+PTHREAD_SIGMASK_LIB = @PTHREAD_SIGMASK_LIB@
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+libseccomp_LIBS = @libseccomp_LIBS@
+localedir = @localedir@
+localstatedir = @localstatedir@
+lzip = @lzip@
+lzma = @lzma@
+man_mode = @man_mode@
+man_owner = @man_owner@
+mandir = @mandir@
+mkdir_p = @mkdir_p@
+neqn = @neqn@
+nroff = @nroff@
+oldincludedir = @oldincludedir@
+override_dir = @override_dir@
+pager = @pager@
+pdfdir = @pdfdir@
+pic = @pic@
+preconv = @preconv@
+prefix = @prefix@
+program_transform_name = @program_transform_name@
+psdir = @psdir@
+refer = @refer@
+roff_version = @roff_version@
+runstatedir = @runstatedir@
+sbindir = @sbindir@
+sections = @sections@
+sharedstatedir = @sharedstatedir@
+snapdir = @snapdir@
+srcdir = @srcdir@
+sysconfdir = @sysconfdir@
+systemdsystemunitdir = @systemdsystemunitdir@
+systemdtmpfilesdir = @systemdtmpfilesdir@
+target_alias = @target_alias@
+tbl = @tbl@
+top_build_prefix = @top_build_prefix@
+top_builddir = @top_builddir@
+top_srcdir = @top_srcdir@
+tr = @tr@
+troff = @troff@
+troff_as_troff_input = @troff_as_troff_input@
+troff_is_groff = @troff_is_groff@
+vgrind = @vgrind@
+xz = @xz@
+zstd = @zstd@
+TESTS_ENVIRONMENT = PATH=$(abs_builddir)/..:$$PATH; export PATH; \
+		    DBTYPE=$(DBTYPE); export DBTYPE; \
+		    MANDIR_LAYOUT=$(MANDIR_LAYOUT); export MANDIR_LAYOUT; \
+		    abs_top_builddir=$(abs_top_builddir); export abs_top_builddir; \
+		    OVERRIDE_DIR="$(override_dir)"; export OVERRIDE_DIR; \
+		    troff_is_groff=$(troff_is_groff); export troff_is_groff; \
+		    HAVE_ICONV=$(HAVE_ICONV); export HAVE_ICONV;
+
+# Each test must use the configure-detected shell, not necessarily /bin/sh.
+AM_LOG_FLAGS = $(SHELL)
+ALL_TESTS = \
+	lexgrog-backslash-dash-rhs \
+	lexgrog-basic \
+	lexgrog-multiple-whatis \
+	man-deleted-directory \
+	man-exact-section-matches \
+	man-executable-page-on-path \
+	man-invalid-db-entry \
+	man-language-specific-requests \
+	man-mandatory-manpath \
+	man-missing-locales \
+	man-override-dir \
+	man-recode-in-place \
+	man-recode-suffix \
+	man-so-links-same-section \
+	man-suffixed-extension \
+	man-symlinks-with-matching-names \
+	manconv-coding-tags \
+	manconv-guess-from-encoding \
+	manconv-incomplete-char-at-eof \
+	manconv-odd-combinations \
+	mandb-basic \
+	mandb-bogus-symlink \
+	mandb-cachedir-tag \
+	mandb-empty-page \
+	mandb-purge-updates-timestamp \
+	mandb-regular-file-symlink-changes \
+	mandb-symlink-beats-whatis-ref \
+	mandb-symlink-target-timestamp \
+	mandb-whatis-broken-link-changes \
+	manpath-slash \
+	whatis-path-to-executable \
+	zsoelim-so-includes
+
+@CROSS_COMPILING_FALSE@TESTS = $(ALL_TESTS)
+AM_CPPFLAGS = \
+	-I$(top_srcdir)/include \
+	-I$(top_builddir)/gl/lib \
+	-I$(top_srcdir)/gl/lib \
+	-I$(top_srcdir)/lib
+
+AM_CFLAGS = $(WARN_CFLAGS)
+fspause_SOURCES = fspause.c
+fspause_LDADD = \
+	$(top_builddir)/gl/lib/libgnu.la \
+	$(NANOSLEEP_LIB)
+
+get_mtime_SOURCES = get-mtime.c
+get_mtime_LDADD = $(top_builddir)/lib/libman.la
+dist_check_SCRIPTS = testlib.sh $(ALL_TESTS)
+all: all-am
+
+.SUFFIXES:
+.SUFFIXES: .c .lo .log .o .obj .test .test$(EXEEXT) .trs
+$(srcdir)/Makefile.in:  $(srcdir)/Makefile.am  $(am__configure_deps)
+	@for dep in $?; do \
+	  case '$(am__configure_deps)' in \
+	    *$$dep*) \
+	      ( cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh ) \
+	        && { if test -f $@; then exit 0; else break; fi; }; \
+	      exit 1;; \
+	  esac; \
+	done; \
+	echo ' cd $(top_srcdir) && $(AUTOMAKE) --foreign src/tests/Makefile'; \
+	$(am__cd) $(top_srcdir) && \
+	  $(AUTOMAKE) --foreign src/tests/Makefile
+Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status
+	@case '$?' in \
+	  *config.status*) \
+	    cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh;; \
+	  *) \
+	    echo ' cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__maybe_remake_depfiles)'; \
+	    cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__maybe_remake_depfiles);; \
+	esac;
+
+$(top_builddir)/config.status: $(top_srcdir)/configure $(CONFIG_STATUS_DEPENDENCIES)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+
+$(top_srcdir)/configure:  $(am__configure_deps)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+$(ACLOCAL_M4):  $(am__aclocal_m4_deps)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+$(am__aclocal_m4_deps):
+
+clean-checkPROGRAMS:
+	@list='$(check_PROGRAMS)'; test -n "$$list" || exit 0; \
+	echo " rm -f" $$list; \
+	rm -f $$list || exit $$?; \
+	test -n "$(EXEEXT)" || exit 0; \
+	list=`for p in $$list; do echo "$$p"; done | sed 's/$(EXEEXT)$$//'`; \
+	echo " rm -f" $$list; \
+	rm -f $$list
+
+fspause$(EXEEXT): $(fspause_OBJECTS) $(fspause_DEPENDENCIES) $(EXTRA_fspause_DEPENDENCIES) 
+	@rm -f fspause$(EXEEXT)
+	$(AM_V_CCLD)$(LINK) $(fspause_OBJECTS) $(fspause_LDADD) $(LIBS)
+
+get-mtime$(EXEEXT): $(get_mtime_OBJECTS) $(get_mtime_DEPENDENCIES) $(EXTRA_get_mtime_DEPENDENCIES) 
+	@rm -f get-mtime$(EXEEXT)
+	$(AM_V_CCLD)$(LINK) $(get_mtime_OBJECTS) $(get_mtime_LDADD) $(LIBS)
+
+mostlyclean-compile:
+	-rm -f *.$(OBJEXT)
+
+distclean-compile:
+	-rm -f *.tab.c
+
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/fspause.Po@am__quote@ # am--include-marker
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/get-mtime.Po@am__quote@ # am--include-marker
+
+$(am__depfiles_remade):
+	@$(MKDIR_P) $(@D)
+	@echo '# dummy' >$@-t && $(am__mv) $@-t $@
+
+am--depfiles: $(am__depfiles_remade)
+
+.c.o:
+@am__fastdepCC_TRUE@	$(AM_V_CC)$(COMPILE) -MT $@ -MD -MP -MF $(DEPDIR)/$*.Tpo -c -o $@ $<
+@am__fastdepCC_TRUE@	$(AM_V_at)$(am__mv) $(DEPDIR)/$*.Tpo $(DEPDIR)/$*.Po
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	$(AM_V_CC)source='$<' object='$@' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@	$(AM_V_CC@am__nodep@)$(COMPILE) -c -o $@ $<
+
+.c.obj:
+@am__fastdepCC_TRUE@	$(AM_V_CC)$(COMPILE) -MT $@ -MD -MP -MF $(DEPDIR)/$*.Tpo -c -o $@ `$(CYGPATH_W) '$<'`
+@am__fastdepCC_TRUE@	$(AM_V_at)$(am__mv) $(DEPDIR)/$*.Tpo $(DEPDIR)/$*.Po
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	$(AM_V_CC)source='$<' object='$@' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@	$(AM_V_CC@am__nodep@)$(COMPILE) -c -o $@ `$(CYGPATH_W) '$<'`
+
+.c.lo:
+@am__fastdepCC_TRUE@	$(AM_V_CC)$(LTCOMPILE) -MT $@ -MD -MP -MF $(DEPDIR)/$*.Tpo -c -o $@ $<
+@am__fastdepCC_TRUE@	$(AM_V_at)$(am__mv) $(DEPDIR)/$*.Tpo $(DEPDIR)/$*.Plo
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	$(AM_V_CC)source='$<' object='$@' libtool=yes @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@	$(AM_V_CC@am__nodep@)$(LTCOMPILE) -c -o $@ $<
+
+mostlyclean-libtool:
+	-rm -f *.lo
+
+clean-libtool:
+	-rm -rf .libs _libs
+
+ID: $(am__tagged_files)
+	$(am__define_uniq_tagged_files); mkid -fID $$unique
+tags: tags-am
+TAGS: tags
+
+tags-am: $(TAGS_DEPENDENCIES) $(am__tagged_files)
+	set x; \
+	here=`pwd`; \
+	$(am__define_uniq_tagged_files); \
+	shift; \
+	if test -z "$(ETAGS_ARGS)$$*$$unique"; then :; else \
+	  test -n "$$unique" || unique=$$empty_fix; \
+	  if test $$# -gt 0; then \
+	    $(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \
+	      "$$@" $$unique; \
+	  else \
+	    $(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \
+	      $$unique; \
+	  fi; \
+	fi
+ctags: ctags-am
+
+CTAGS: ctags
+ctags-am: $(TAGS_DEPENDENCIES) $(am__tagged_files)
+	$(am__define_uniq_tagged_files); \
+	test -z "$(CTAGS_ARGS)$$unique" \
+	  || $(CTAGS) $(CTAGSFLAGS) $(AM_CTAGSFLAGS) $(CTAGS_ARGS) \
+	     $$unique
+
+GTAGS:
+	here=`$(am__cd) $(top_builddir) && pwd` \
+	  && $(am__cd) $(top_srcdir) \
+	  && gtags -i $(GTAGS_ARGS) "$$here"
+cscopelist: cscopelist-am
+
+cscopelist-am: $(am__tagged_files)
+	list='$(am__tagged_files)'; \
+	case "$(srcdir)" in \
+	  [\\/]* | ?:[\\/]*) sdir="$(srcdir)" ;; \
+	  *) sdir=$(subdir)/$(srcdir) ;; \
+	esac; \
+	for i in $$list; do \
+	  if test -f "$$i"; then \
+	    echo "$(subdir)/$$i"; \
+	  else \
+	    echo "$$sdir/$$i"; \
+	  fi; \
+	done >> $(top_builddir)/cscope.files
+
+distclean-tags:
+	-rm -f TAGS ID GTAGS GRTAGS GSYMS GPATH tags
+
+# Recover from deleted '.trs' file; this should ensure that
+# "rm -f foo.log; make foo.trs" re-run 'foo.test', and re-create
+# both 'foo.log' and 'foo.trs'.  Break the recipe in two subshells
+# to avoid problems with "make -n".
+.log.trs:
+	rm -f $< $@
+	$(MAKE) $(AM_MAKEFLAGS) $<
+
+# Leading 'am--fnord' is there to ensure the list of targets does not
+# expand to empty, as could happen e.g. with make check TESTS=''.
+am--fnord $(TEST_LOGS) $(TEST_LOGS:.log=.trs): $(am__force_recheck)
+am--force-recheck:
+	@:
+
+$(TEST_SUITE_LOG): $(TEST_LOGS)
+	@$(am__set_TESTS_bases); \
+	am__f_ok () { test -f "$$1" && test -r "$$1"; }; \
+	redo_bases=`for i in $$bases; do \
+	              am__f_ok $$i.trs && am__f_ok $$i.log || echo $$i; \
+	            done`; \
+	if test -n "$$redo_bases"; then \
+	  redo_logs=`for i in $$redo_bases; do echo $$i.log; done`; \
+	  redo_results=`for i in $$redo_bases; do echo $$i.trs; done`; \
+	  if $(am__make_dryrun); then :; else \
+	    rm -f $$redo_logs && rm -f $$redo_results || exit 1; \
+	  fi; \
+	fi; \
+	if test -n "$$am__remaking_logs"; then \
+	  echo "fatal: making $(TEST_SUITE_LOG): possible infinite" \
+	       "recursion detected" >&2; \
+	elif test -n "$$redo_logs"; then \
+	  am__remaking_logs=yes $(MAKE) $(AM_MAKEFLAGS) $$redo_logs; \
+	fi; \
+	if $(am__make_dryrun); then :; else \
+	  st=0;  \
+	  errmsg="fatal: making $(TEST_SUITE_LOG): failed to create"; \
+	  for i in $$redo_bases; do \
+	    test -f $$i.trs && test -r $$i.trs \
+	      || { echo "$$errmsg $$i.trs" >&2; st=1; }; \
+	    test -f $$i.log && test -r $$i.log \
+	      || { echo "$$errmsg $$i.log" >&2; st=1; }; \
+	  done; \
+	  test $$st -eq 0 || exit 1; \
+	fi
+	@$(am__sh_e_setup); $(am__tty_colors); $(am__set_TESTS_bases); \
+	ws='[ 	]'; \
+	results=`for b in $$bases; do echo $$b.trs; done`; \
+	test -n "$$results" || results=/dev/null; \
+	all=`  grep "^$$ws*:test-result:"           $$results | wc -l`; \
+	pass=` grep "^$$ws*:test-result:$$ws*PASS"  $$results | wc -l`; \
+	fail=` grep "^$$ws*:test-result:$$ws*FAIL"  $$results | wc -l`; \
+	skip=` grep "^$$ws*:test-result:$$ws*SKIP"  $$results | wc -l`; \
+	xfail=`grep "^$$ws*:test-result:$$ws*XFAIL" $$results | wc -l`; \
+	xpass=`grep "^$$ws*:test-result:$$ws*XPASS" $$results | wc -l`; \
+	error=`grep "^$$ws*:test-result:$$ws*ERROR" $$results | wc -l`; \
+	if test `expr $$fail + $$xpass + $$error` -eq 0; then \
+	  success=true; \
+	else \
+	  success=false; \
+	fi; \
+	br='==================='; br=$$br$$br$$br$$br; \
+	result_count () \
+	{ \
+	    if test x"$$1" = x"--maybe-color"; then \
+	      maybe_colorize=yes; \
+	    elif test x"$$1" = x"--no-color"; then \
+	      maybe_colorize=no; \
+	    else \
+	      echo "$@: invalid 'result_count' usage" >&2; exit 4; \
+	    fi; \
+	    shift; \
+	    desc=$$1 count=$$2; \
+	    if test $$maybe_colorize = yes && test $$count -gt 0; then \
+	      color_start=$$3 color_end=$$std; \
+	    else \
+	      color_start= color_end=; \
+	    fi; \
+	    echo "$${color_start}# $$desc $$count$${color_end}"; \
+	}; \
+	create_testsuite_report () \
+	{ \
+	  result_count $$1 "TOTAL:" $$all   "$$brg"; \
+	  result_count $$1 "PASS: " $$pass  "$$grn"; \
+	  result_count $$1 "SKIP: " $$skip  "$$blu"; \
+	  result_count $$1 "XFAIL:" $$xfail "$$lgn"; \
+	  result_count $$1 "FAIL: " $$fail  "$$red"; \
+	  result_count $$1 "XPASS:" $$xpass "$$red"; \
+	  result_count $$1 "ERROR:" $$error "$$mgn"; \
+	}; \
+	{								\
+	  echo "$(PACKAGE_STRING): $(subdir)/$(TEST_SUITE_LOG)" |	\
+	    $(am__rst_title);						\
+	  create_testsuite_report --no-color;				\
+	  echo;								\
+	  echo ".. contents:: :depth: 2";				\
+	  echo;								\
+	  for b in $$bases; do echo $$b; done				\
+	    | $(am__create_global_log);					\
+	} >$(TEST_SUITE_LOG).tmp || exit 1;				\
+	mv $(TEST_SUITE_LOG).tmp $(TEST_SUITE_LOG);			\
+	if $$success; then						\
+	  col="$$grn";							\
+	 else								\
+	  col="$$red";							\
+	  test x"$$VERBOSE" = x || cat $(TEST_SUITE_LOG);		\
+	fi;								\
+	echo "$${col}$$br$${std}"; 					\
+	echo "$${col}Testsuite summary"$(AM_TESTSUITE_SUMMARY_HEADER)"$${std}";	\
+	echo "$${col}$$br$${std}"; 					\
+	create_testsuite_report --maybe-color;				\
+	echo "$$col$$br$$std";						\
+	if $$success; then :; else					\
+	  echo "$${col}See $(subdir)/$(TEST_SUITE_LOG)$${std}";		\
+	  if test -n "$(PACKAGE_BUGREPORT)"; then			\
+	    echo "$${col}Please report to $(PACKAGE_BUGREPORT)$${std}";	\
+	  fi;								\
+	  echo "$$col$$br$$std";					\
+	fi;								\
+	$$success || exit 1
+
+check-TESTS: $(check_PROGRAMS) $(dist_check_SCRIPTS)
+	@list='$(RECHECK_LOGS)';           test -z "$$list" || rm -f $$list
+	@list='$(RECHECK_LOGS:.log=.trs)'; test -z "$$list" || rm -f $$list
+	@test -z "$(TEST_SUITE_LOG)" || rm -f $(TEST_SUITE_LOG)
+	@set +e; $(am__set_TESTS_bases); \
+	log_list=`for i in $$bases; do echo $$i.log; done`; \
+	trs_list=`for i in $$bases; do echo $$i.trs; done`; \
+	log_list=`echo $$log_list`; trs_list=`echo $$trs_list`; \
+	$(MAKE) $(AM_MAKEFLAGS) $(TEST_SUITE_LOG) TEST_LOGS="$$log_list"; \
+	exit $$?;
+recheck: all $(check_PROGRAMS) $(dist_check_SCRIPTS)
+	@test -z "$(TEST_SUITE_LOG)" || rm -f $(TEST_SUITE_LOG)
+	@set +e; $(am__set_TESTS_bases); \
+	bases=`for i in $$bases; do echo $$i; done \
+	         | $(am__list_recheck_tests)` || exit 1; \
+	log_list=`for i in $$bases; do echo $$i.log; done`; \
+	log_list=`echo $$log_list`; \
+	$(MAKE) $(AM_MAKEFLAGS) $(TEST_SUITE_LOG) \
+	        am__force_recheck=am--force-recheck \
+	        TEST_LOGS="$$log_list"; \
+	exit $$?
+lexgrog-backslash-dash-rhs.log: lexgrog-backslash-dash-rhs
+	@p='lexgrog-backslash-dash-rhs'; \
+	b='lexgrog-backslash-dash-rhs'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+lexgrog-basic.log: lexgrog-basic
+	@p='lexgrog-basic'; \
+	b='lexgrog-basic'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+lexgrog-multiple-whatis.log: lexgrog-multiple-whatis
+	@p='lexgrog-multiple-whatis'; \
+	b='lexgrog-multiple-whatis'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+man-deleted-directory.log: man-deleted-directory
+	@p='man-deleted-directory'; \
+	b='man-deleted-directory'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+man-exact-section-matches.log: man-exact-section-matches
+	@p='man-exact-section-matches'; \
+	b='man-exact-section-matches'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+man-executable-page-on-path.log: man-executable-page-on-path
+	@p='man-executable-page-on-path'; \
+	b='man-executable-page-on-path'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+man-invalid-db-entry.log: man-invalid-db-entry
+	@p='man-invalid-db-entry'; \
+	b='man-invalid-db-entry'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+man-language-specific-requests.log: man-language-specific-requests
+	@p='man-language-specific-requests'; \
+	b='man-language-specific-requests'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+man-mandatory-manpath.log: man-mandatory-manpath
+	@p='man-mandatory-manpath'; \
+	b='man-mandatory-manpath'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+man-missing-locales.log: man-missing-locales
+	@p='man-missing-locales'; \
+	b='man-missing-locales'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+man-override-dir.log: man-override-dir
+	@p='man-override-dir'; \
+	b='man-override-dir'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+man-recode-in-place.log: man-recode-in-place
+	@p='man-recode-in-place'; \
+	b='man-recode-in-place'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+man-recode-suffix.log: man-recode-suffix
+	@p='man-recode-suffix'; \
+	b='man-recode-suffix'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+man-so-links-same-section.log: man-so-links-same-section
+	@p='man-so-links-same-section'; \
+	b='man-so-links-same-section'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+man-suffixed-extension.log: man-suffixed-extension
+	@p='man-suffixed-extension'; \
+	b='man-suffixed-extension'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+man-symlinks-with-matching-names.log: man-symlinks-with-matching-names
+	@p='man-symlinks-with-matching-names'; \
+	b='man-symlinks-with-matching-names'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+manconv-coding-tags.log: manconv-coding-tags
+	@p='manconv-coding-tags'; \
+	b='manconv-coding-tags'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+manconv-guess-from-encoding.log: manconv-guess-from-encoding
+	@p='manconv-guess-from-encoding'; \
+	b='manconv-guess-from-encoding'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+manconv-incomplete-char-at-eof.log: manconv-incomplete-char-at-eof
+	@p='manconv-incomplete-char-at-eof'; \
+	b='manconv-incomplete-char-at-eof'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+manconv-odd-combinations.log: manconv-odd-combinations
+	@p='manconv-odd-combinations'; \
+	b='manconv-odd-combinations'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+mandb-basic.log: mandb-basic
+	@p='mandb-basic'; \
+	b='mandb-basic'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+mandb-bogus-symlink.log: mandb-bogus-symlink
+	@p='mandb-bogus-symlink'; \
+	b='mandb-bogus-symlink'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+mandb-cachedir-tag.log: mandb-cachedir-tag
+	@p='mandb-cachedir-tag'; \
+	b='mandb-cachedir-tag'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+mandb-empty-page.log: mandb-empty-page
+	@p='mandb-empty-page'; \
+	b='mandb-empty-page'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+mandb-purge-updates-timestamp.log: mandb-purge-updates-timestamp
+	@p='mandb-purge-updates-timestamp'; \
+	b='mandb-purge-updates-timestamp'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+mandb-regular-file-symlink-changes.log: mandb-regular-file-symlink-changes
+	@p='mandb-regular-file-symlink-changes'; \
+	b='mandb-regular-file-symlink-changes'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+mandb-symlink-beats-whatis-ref.log: mandb-symlink-beats-whatis-ref
+	@p='mandb-symlink-beats-whatis-ref'; \
+	b='mandb-symlink-beats-whatis-ref'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
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+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+mandb-symlink-target-timestamp.log: mandb-symlink-target-timestamp
+	@p='mandb-symlink-target-timestamp'; \
+	b='mandb-symlink-target-timestamp'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+mandb-whatis-broken-link-changes.log: mandb-whatis-broken-link-changes
+	@p='mandb-whatis-broken-link-changes'; \
+	b='mandb-whatis-broken-link-changes'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+manpath-slash.log: manpath-slash
+	@p='manpath-slash'; \
+	b='manpath-slash'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+whatis-path-to-executable.log: whatis-path-to-executable
+	@p='whatis-path-to-executable'; \
+	b='whatis-path-to-executable'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+zsoelim-so-includes.log: zsoelim-so-includes
+	@p='zsoelim-so-includes'; \
+	b='zsoelim-so-includes'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+.test.log:
+	@p='$<'; \
+	$(am__set_b); \
+	$(am__check_pre) $(TEST_LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_TEST_LOG_DRIVER_FLAGS) $(TEST_LOG_DRIVER_FLAGS) -- $(TEST_LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+@am__EXEEXT_TRUE@.test$(EXEEXT).log:
+@am__EXEEXT_TRUE@	@p='$<'; \
+@am__EXEEXT_TRUE@	$(am__set_b); \
+@am__EXEEXT_TRUE@	$(am__check_pre) $(TEST_LOG_DRIVER) --test-name "$$f" \
+@am__EXEEXT_TRUE@	--log-file $$b.log --trs-file $$b.trs \
+@am__EXEEXT_TRUE@	$(am__common_driver_flags) $(AM_TEST_LOG_DRIVER_FLAGS) $(TEST_LOG_DRIVER_FLAGS) -- $(TEST_LOG_COMPILE) \
+@am__EXEEXT_TRUE@	"$$tst" $(AM_TESTS_FD_REDIRECT)
+distdir: $(BUILT_SOURCES)
+	$(MAKE) $(AM_MAKEFLAGS) distdir-am
+
+distdir-am: $(DISTFILES)
+	@srcdirstrip=`echo "$(srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+	topsrcdirstrip=`echo "$(top_srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+	list='$(DISTFILES)'; \
+	  dist_files=`for file in $$list; do echo $$file; done | \
+	  sed -e "s|^$$srcdirstrip/||;t" \
+	      -e "s|^$$topsrcdirstrip/|$(top_builddir)/|;t"`; \
+	case $$dist_files in \
+	  */*) $(MKDIR_P) `echo "$$dist_files" | \
+			   sed '/\//!d;s|^|$(distdir)/|;s,/[^/]*$$,,' | \
+			   sort -u` ;; \
+	esac; \
+	for file in $$dist_files; do \
+	  if test -f $$file || test -d $$file; then d=.; else d=$(srcdir); fi; \
+	  if test -d $$d/$$file; then \
+	    dir=`echo "/$$file" | sed -e 's,/[^/]*$$,,'`; \
+	    if test -d "$(distdir)/$$file"; then \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    if test -d $(srcdir)/$$file && test $$d != $(srcdir); then \
+	      cp -fpR $(srcdir)/$$file "$(distdir)$$dir" || exit 1; \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    cp -fpR $$d/$$file "$(distdir)$$dir" || exit 1; \
+	  else \
+	    test -f "$(distdir)/$$file" \
+	    || cp -p $$d/$$file "$(distdir)/$$file" \
+	    || exit 1; \
+	  fi; \
+	done
+check-am: all-am
+	$(MAKE) $(AM_MAKEFLAGS) $(check_PROGRAMS) \
+	  $(dist_check_SCRIPTS)
+	$(MAKE) $(AM_MAKEFLAGS) check-TESTS
+check: check-am
+all-am: Makefile
+installdirs:
+install: install-am
+install-exec: install-exec-am
+install-data: install-data-am
+uninstall: uninstall-am
+
+install-am: all-am
+	@$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am
+
+installcheck: installcheck-am
+install-strip:
+	if test -z '$(STRIP)'; then \
+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	      install; \
+	else \
+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	    "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'" install; \
+	fi
+mostlyclean-generic:
+	-test -z "$(TEST_LOGS)" || rm -f $(TEST_LOGS)
+	-test -z "$(TEST_LOGS:.log=.trs)" || rm -f $(TEST_LOGS:.log=.trs)
+	-test -z "$(TEST_SUITE_LOG)" || rm -f $(TEST_SUITE_LOG)
+
+clean-generic:
+
+distclean-generic:
+	-test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
+	-test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES)
+
+maintainer-clean-generic:
+	@echo "This command is intended for maintainers to use"
+	@echo "it deletes files that may require special tools to rebuild."
+clean: clean-am
+
+clean-am: clean-checkPROGRAMS clean-generic clean-libtool \
+	mostlyclean-am
+
+distclean: distclean-am
+		-rm -f ./$(DEPDIR)/fspause.Po
+	-rm -f ./$(DEPDIR)/get-mtime.Po
+	-rm -f Makefile
+distclean-am: clean-am distclean-compile distclean-generic \
+	distclean-tags
+
+dvi: dvi-am
+
+dvi-am:
+
+html: html-am
+
+html-am:
+
+info: info-am
+
+info-am:
+
+install-data-am:
+
+install-dvi: install-dvi-am
+
+install-dvi-am:
+
+install-exec-am:
+
+install-html: install-html-am
+
+install-html-am:
+
+install-info: install-info-am
+
+install-info-am:
+
+install-man:
+
+install-pdf: install-pdf-am
+
+install-pdf-am:
+
+install-ps: install-ps-am
+
+install-ps-am:
+
+installcheck-am:
+
+maintainer-clean: maintainer-clean-am
+		-rm -f ./$(DEPDIR)/fspause.Po
+	-rm -f ./$(DEPDIR)/get-mtime.Po
+	-rm -f Makefile
+maintainer-clean-am: distclean-am maintainer-clean-generic
+
+mostlyclean: mostlyclean-am
+
+mostlyclean-am: mostlyclean-compile mostlyclean-generic \
+	mostlyclean-libtool
+
+pdf: pdf-am
+
+pdf-am:
+
+ps: ps-am
+
+ps-am:
+
+uninstall-am:
+
+.MAKE: check-am install-am install-strip
+
+.PHONY: CTAGS GTAGS TAGS all all-am am--depfiles check check-TESTS \
+	check-am clean clean-checkPROGRAMS clean-generic clean-libtool \
+	cscopelist-am ctags ctags-am distclean distclean-compile \
+	distclean-generic distclean-libtool distclean-tags distdir dvi \
+	dvi-am html html-am info info-am install install-am \
+	install-data install-data-am install-dvi install-dvi-am \
+	install-exec install-exec-am install-html install-html-am \
+	install-info install-info-am install-man install-pdf \
+	install-pdf-am install-ps install-ps-am install-strip \
+	installcheck installcheck-am installdirs maintainer-clean \
+	maintainer-clean-generic mostlyclean mostlyclean-compile \
+	mostlyclean-generic mostlyclean-libtool pdf pdf-am ps ps-am \
+	recheck tags tags-am uninstall uninstall-am
+
+.PRECIOUS: Makefile
+
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/src/tests/fspause.c b/src/tests/fspause.c
new file mode 100644
index 0000000..4f573c6
--- /dev/null
+++ b/src/tests/fspause.c
@@ -0,0 +1,113 @@
+/*
+ * fspause.c: pause until a file timestamp updates
+ *
+ * Copyright (C) 2014 Colin Watson.
+ *
+ * This file is part of man-db.
+ *
+ * man-db is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * man-db is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with man-db; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+
+#ifdef HAVE_CONFIG_H
+#  include "config.h"
+#endif /* HAVE_CONFIG_H */
+
+#include <errno.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <time.h>
+#include <unistd.h>
+
+#include "attribute.h"
+#include "progname.h"
+#include "stat-time.h"
+#include "timespec.h"
+#include "xalloc.h"
+
+#include "manconfig.h"
+
+static char *filename;
+static int fd = -1;
+
+#define MUST(name, cond) \
+	do { \
+		if (!(cond)) { \
+			fprintf (stderr, "fspause: " name " failed\n"); \
+			abort (); \
+		} \
+	} while (0)
+
+static void unlink_tempfile (void)
+{
+	if (fd >= 0) {
+		MUST ("close", close (fd) >= 0);
+		MUST ("unlink", unlink (filename) >= 0);
+	}
+}
+
+static void delay (int delay_ns)
+{
+	struct timespec delay_ts;
+
+	delay_ts.tv_sec = delay_ns / 1000000000;
+	delay_ts.tv_nsec = delay_ns % 1000000000;
+	for (;;) {
+		errno = 0;
+		if (nanosleep (&delay_ts, NULL) == 0)
+			break;
+		MUST ("nanosleep", errno == 0 || errno == EINTR);
+	}
+}
+
+static int try_delay (struct stat *st, int delay_ns)
+{
+	struct timespec start_ts, end_ts;
+
+	start_ts = get_stat_mtime (st);
+	delay (delay_ns);
+	MUST ("write", write (fd, "\n", 1) == 1);
+	MUST ("fstat", fstat (fd, st) >= 0);
+	end_ts = get_stat_mtime (st);
+	return timespec_cmp (start_ts, end_ts) != 0;
+}
+
+int main (int argc MAYBE_UNUSED, char **argv)
+{
+	struct stat st;
+	int delay_ns;
+
+	set_program_name (argv[0]);
+
+	filename = xstrdup ("fspause.tmp.XXXXXX");
+	MUST ("mkstemp", (fd = mkstemp (filename)) >= 0);
+	atexit (unlink_tempfile);
+	MUST ("fstat", fstat (fd, &st) >= 0);
+
+	/* 0x40000000 nanoseconds is just over a second.  The effective
+	 * maximum delay we will allow is thus about two seconds.  This
+	 * saves us having to keep track of anything more complicated than a
+	 * single signed 32-bit int.
+	 */
+	for (delay_ns = 1; delay_ns < 0x40000000; delay_ns *= 2) {
+		if (try_delay (&st, delay_ns))
+			return 0;
+	}
+
+	fprintf (stderr,
+		 "fspause: temporary file timestamp refuses to change!\n");
+	return 1;
+}
diff --git a/src/tests/get-mtime.c b/src/tests/get-mtime.c
new file mode 100644
index 0000000..b23eb87
--- /dev/null
+++ b/src/tests/get-mtime.c
@@ -0,0 +1,75 @@
+/*
+ * get-mtime.c: get a file's modification time
+ *
+ * Copyright (C) 2022 Colin Watson.
+ *
+ * This file is part of man-db.
+ *
+ * man-db is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * man-db is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with man-db; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+
+#ifdef HAVE_CONFIG_H
+#  include "config.h"
+#endif /* HAVE_CONFIG_H */
+
+#include <errno.h>
+#include <stdlib.h>
+
+#include "argp.h"
+#include "progname.h"
+#include "stat-time.h"
+
+#include "manconfig.h"
+
+#include "fatal.h"
+
+char *path;
+
+static const char args_doc[] = "PATH";
+
+static error_t parse_opt (int key, char *arg, struct argp_state *state)
+{
+	switch (key) {
+		case ARGP_KEY_ARG:
+			if (path)
+				argp_usage (state);
+			path = arg;
+			return 0;
+		case ARGP_KEY_NO_ARGS:
+			argp_usage (state);
+			break;
+	}
+	return ARGP_ERR_UNKNOWN;
+}
+
+static struct argp argp = { NULL, parse_opt, args_doc };
+
+int main (int argc, char **argv)
+{
+	struct stat st;
+	struct timespec ts;
+
+	set_program_name (argv[0]);
+
+	if (argp_parse (&argp, argc, argv, 0, 0, 0))
+		exit (FAIL);
+
+	if (lstat (path, &st) < 0)
+		fatal (errno, "can't lstat %s", path);
+	ts = get_stat_mtime (&st);
+	printf ("%ld.%09ld\n", (long) ts.tv_sec, ts.tv_nsec);
+
+	exit (OK);
+}
diff --git a/src/tests/lexgrog-backslash-dash-rhs b/src/tests/lexgrog-backslash-dash-rhs
new file mode 100644
index 0000000..3b5ddee
--- /dev/null
+++ b/src/tests/lexgrog-backslash-dash-rhs
@@ -0,0 +1,22 @@
+#! /bin/sh
+
+# Test handling of \- in the right-hand side of a NAME section.
+
+: "${srcdir=.}"
+# shellcheck source-path=SCRIPTDIR
+. "$srcdir/testlib.sh"
+
+: "${LEXGROG=lexgrog}"
+
+init
+
+write_page lextest 1 "$tmpdir/usr/share/man/man1/lextest.1.gz" UTF-8 gz '' \
+	'lextest \- see lextest \-\-help'
+cat >"$tmpdir/3.exp" <<EOF
+$tmpdir/usr/share/man/man1/lextest.1.gz: "lextest - see lextest --help"
+EOF
+run $LEXGROG "$tmpdir/usr/share/man/man1/lextest.1.gz" >"$tmpdir/3.out"
+expect_files_equal 'multiple whatis definitions' \
+	"$tmpdir/3.exp" "$tmpdir/3.out"
+
+finish
diff --git a/src/tests/lexgrog-basic b/src/tests/lexgrog-basic
new file mode 100755
index 0000000..b30048b
--- /dev/null
+++ b/src/tests/lexgrog-basic
@@ -0,0 +1,19 @@
+#! /bin/sh
+
+# Basic lexgrog tests.
+
+: "${srcdir=.}"
+# shellcheck source-path=SCRIPTDIR
+. "$srcdir/testlib.sh"
+
+: "${LEXGROG=lexgrog}"
+
+init
+
+write_page lextest 1 "$tmpdir/usr/share/man/man1/lextest.1.gz" UTF-8 gz '' \
+	'lextest \- simple lexgrog test'
+echo "$tmpdir/usr/share/man/man1/lextest.1.gz: \"lextest - simple lexgrog test\"" >"$tmpdir/1.exp"
+run $LEXGROG "$tmpdir/usr/share/man/man1/lextest.1.gz" >"$tmpdir/1.out"
+expect_files_equal 'simple lexgrog test' "$tmpdir/1.exp" "$tmpdir/1.out"
+
+finish
diff --git a/src/tests/lexgrog-multiple-whatis b/src/tests/lexgrog-multiple-whatis
new file mode 100755
index 0000000..bf66393
--- /dev/null
+++ b/src/tests/lexgrog-multiple-whatis
@@ -0,0 +1,28 @@
+#! /bin/sh
+
+# Test multiple whatis definitions.
+
+: "${srcdir=.}"
+# shellcheck source-path=SCRIPTDIR
+. "$srcdir/testlib.sh"
+
+: "${LEXGROG=lexgrog}"
+
+init
+
+name_section="\
+lextest \\- one whatis definition
+.br
+lextest2 \\- another whatis definition"
+
+write_page lextest 1 "$tmpdir/usr/share/man/man1/lextest.1.gz" UTF-8 gz '' \
+	"$name_section"
+cat >"$tmpdir/2.exp" <<EOF
+$tmpdir/usr/share/man/man1/lextest.1.gz: "lextest - one whatis definition"
+$tmpdir/usr/share/man/man1/lextest.1.gz: "lextest2 - another whatis definition"
+EOF
+run $LEXGROG "$tmpdir/usr/share/man/man1/lextest.1.gz" >"$tmpdir/2.out"
+expect_files_equal 'multiple whatis definitions' \
+	"$tmpdir/2.exp" "$tmpdir/2.out"
+
+finish
diff --git a/src/tests/man-deleted-directory b/src/tests/man-deleted-directory
new file mode 100755
index 0000000..f2bad68
--- /dev/null
+++ b/src/tests/man-deleted-directory
@@ -0,0 +1,26 @@
+#! /bin/sh
+
+# Test that man can run from a deleted directory.
+#   https://bugs.debian.org/764384
+
+: "${srcdir=.}"
+# shellcheck source-path=SCRIPTDIR
+. "$srcdir/testlib.sh"
+
+: "${MAN=man}"
+
+init
+echo "MANDATORY_MANPATH $abstmpdir/usr/share/man" >"$tmpdir/manpath.config"
+MANPATH="$abstmpdir/usr/share/man"
+export MANPATH
+
+write_page test 1 "$tmpdir/usr/share/man/man1/test.1" \
+	UTF-8 '' '' 'test \- test'
+mkdir "$tmpdir/zombie"
+cd "$tmpdir/zombie" || exit 1
+rmdir "$abstmpdir/zombie" || \
+	skip "can't remove current working directory on this system"
+run $MAN -C "$abstmpdir/manpath.config" test >/dev/null
+report 'run from deleted directory' "$?"
+
+finish
diff --git a/src/tests/man-exact-section-matches b/src/tests/man-exact-section-matches
new file mode 100755
index 0000000..783796e
--- /dev/null
+++ b/src/tests/man-exact-section-matches
@@ -0,0 +1,41 @@
+#! /bin/sh
+
+# Test for:
+#   https://bugzilla.redhat.com/show_bug.cgi?id=684977
+
+: "${srcdir=.}"
+# shellcheck source-path=SCRIPTDIR
+. "$srcdir/testlib.sh"
+
+case $MANDIR_LAYOUT in
+	""|GNU)
+		;;
+	*)
+		skip "only applicable to GNU layout"
+		;;
+esac
+
+: "${MAN=man}"
+
+init
+fake_config /usr/share/man
+MANPATH="$tmpdir/usr/share/man"
+export MANPATH
+
+# Force default section order.
+cat >>"$tmpdir/manpath.config" <<EOF
+SECTION 1 n l 8 3 0 2 3type 5 4 9 6 7
+EOF
+
+write_page md5sum 3pm "$tmpdir/usr/share/man/man3/open.3pm.gz" \
+	UTF-8 gz '' 'open \- section 3pm'
+write_page md5sum 3p "$tmpdir/usr/share/man/man3p/open.3p.gz" \
+	UTF-8 gz '' 'open \- section 3p'
+cat >"$tmpdir/1.exp" <<EOF
+$abstmpdir/usr/share/man/man3p/open.3p.gz
+$abstmpdir/usr/share/man/man3/open.3pm.gz
+EOF
+run $MAN -C "$tmpdir/manpath.config" -aw 3p open >"$tmpdir/1.out"
+expect_files_equal 'exact section matches win' "$tmpdir/1.exp" "$tmpdir/1.out"
+
+finish
diff --git a/src/tests/man-executable-page-on-path b/src/tests/man-executable-page-on-path
new file mode 100755
index 0000000..108e157
--- /dev/null
+++ b/src/tests/man-executable-page-on-path
@@ -0,0 +1,23 @@
+#! /bin/sh
+
+# Test for:
+#   https://bugs.debian.org/608490
+
+: "${srcdir=.}"
+# shellcheck source-path=SCRIPTDIR
+. "$srcdir/testlib.sh"
+
+: "${MAN=man}"
+
+init
+fake_config /usr/share/man
+MANPATH="$tmpdir/usr/share/man"
+export MANPATH
+
+write_page file 1 "$tmpdir/file.1" UTF-8 '' '' 'file \- test'
+chmod +x "$tmpdir/file.1"
+PATH="$PATH:$tmpdir" run $MAN \
+	-C "$tmpdir/manpath.config" "$tmpdir/file.1" >/dev/null
+report 'executable page on path' "$?"
+
+finish
diff --git a/src/tests/man-invalid-db-entry b/src/tests/man-invalid-db-entry
new file mode 100755
index 0000000..ef24716
--- /dev/null
+++ b/src/tests/man-invalid-db-entry
@@ -0,0 +1,31 @@
+#! /bin/sh
+
+# Test for invalid DB entry.
+#   https://bugzilla.redhat.com/show_bug.cgi?id=841431
+
+: "${srcdir=.}"
+# shellcheck source-path=SCRIPTDIR
+. "$srcdir/testlib.sh"
+
+: "${MAN=man}"
+: "${MANDB=mandb}"
+
+init
+fake_config /usr/share/man
+MANPATH="$tmpdir/usr/share/man"
+export MANPATH
+
+MAN_TEST_DISABLE_UNDOCUMENTED=1
+export MAN_TEST_DISABLE_UNDOCUMENTED
+
+write_page test 1 "$tmpdir/usr/share/man/man1/test.1" \
+	UTF-8 '' '' 'test \- top-level test page'
+run $MANDB -C "$tmpdir/manpath.config" -u -q "$tmpdir/usr/share/man"
+
+rm -f "$tmpdir/usr/share/man/man1/test.1"
+
+echo "No manual entry for test" > "$tmpdir/1.exp"
+LC_ALL=C run $MAN -C "$tmpdir/manpath.config" test 2> "$tmpdir/1.out"
+expect_files_equal 'invalid DB entry' "$tmpdir/1.exp" "$tmpdir/1.out"
+
+finish
diff --git a/src/tests/man-language-specific-requests b/src/tests/man-language-specific-requests
new file mode 100755
index 0000000..5051d50
--- /dev/null
+++ b/src/tests/man-language-specific-requests
@@ -0,0 +1,65 @@
+#! /bin/sh
+
+# Test additional language-specific requests for localized man pages.
+
+: "${srcdir=.}"
+# shellcheck source-path=SCRIPTDIR
+. "$srcdir/testlib.sh"
+
+: "${MAN=man}"
+
+init
+fake_config /usr/share/man
+MANPATH="$tmpdir/usr/share/man"
+export MANPATH
+
+cat >"$tmpdir/fake-program" <<EOF
+#! /bin/sh
+exec cat
+EOF
+chmod +x "$tmpdir/fake-program"
+PATH="$abstmpdir:$PATH"
+export PATH
+
+cat >>"$tmpdir/manpath.config" <<EOF
+DEFINE tbl fake-program
+DEFINE nroff fake-program
+EOF
+
+write_page test 1 "$tmpdir/usr/share/man/man1/test.1" \
+	UTF-8 '' '' 'test \- top-level test page'
+
+write_page test 1 "$tmpdir/usr/share/man/xyzzy/man1/test.1" \
+	UTF-8 '' '' 'test \- xyzzy language page for test'
+
+write_page xyz 1 "$tmpdir/usr/share/man/man1/xyz.1" \
+	UTF-8 '' '' 'test \- top-level xyz page'
+
+: >"$tmpdir/1.exp"
+# shellcheck disable=SC2154
+if [ "$troff_is_groff" = yes ]; then
+	cat >>"$tmpdir/1.exp" <<'EOF'
+.    mso xyzzy.tmac
+.hla xyzzy
+EOF
+fi
+cat >>"$tmpdir/1.exp" <<'EOF'
+test \- xyzzy language page for test
+EOF
+
+cat >"$tmpdir/2.exp" <<'EOF'
+.TH xyz 1
+test \- top-level xyz page
+EOF
+
+run $MAN -L xyzzy_foo.bar -C "$tmpdir/manpath.config" test |\
+	grep 'xyzzy' >"$tmpdir/1.out"
+expect_files_equal 'language-specific requests for localized man page' \
+	"$tmpdir/1.exp" "$tmpdir/1.out"
+
+run $MAN -L xyzzy_foo.bar -C "$tmpdir/manpath.config" xyz |\
+	grep 'xyz' >"$tmpdir/2.out"
+expect_files_equal 'no language-specific requests for top-level man page' \
+	"$tmpdir/2.exp" "$tmpdir/2.out"
+
+finish
diff --git a/src/tests/man-mandatory-manpath b/src/tests/man-mandatory-manpath
new file mode 100755
index 0000000..af76ff0
--- /dev/null
+++ b/src/tests/man-mandatory-manpath
@@ -0,0 +1,189 @@
+#! /bin/sh
+
+# Test for wildcards in MANDATORY_MANPATH in config file and in MANPATH.
+#   https://bugzilla.redhat.com/show_bug.cgi?id=677669
+
+: "${srcdir=.}"
+# shellcheck source-path=SCRIPTDIR
+. "$srcdir/testlib.sh"
+
+: "${MAN=man}"
+
+init
+: > "$tmpdir/manpath.config"
+
+MAN_TEST_DISABLE_PATH=1
+export MAN_TEST_DISABLE_PATH
+
+write_page manx 1 "$tmpdir/usr/share/man/man1/manx.1.gz" \
+    UTF-8 gz '' 'manx \- an interface to the system reference manuals'
+write_page manpathx 1 "$tmpdir/usr/share/prog/a/man/man1/manpathx.1.gz" \
+    UTF-8 gz '' 'manpathx \- determine search path for manual pages'
+write_page whatisx 1 "$tmpdir/usr/share/prog/b/man/man1/whatisx.1.gz" \
+    UTF-8 gz '' 'whatisx \- display manual page descriptions'
+
+#
+# Testing -M option
+#
+
+# Without wildcards
+Mpath="$tmpdir/usr/share/man"
+
+run $MAN -C "$tmpdir/manpath.config" \
+    -aw -M "${Mpath}" manpathx > "$tmpdir/1.out" 2> /dev/null
+: > "$tmpdir/1.exp"
+expect_files_equal \
+    'wildcards: -M option: without wildcards: check missing man page' \
+    "$tmpdir/1.exp" "$tmpdir/1.out"
+
+run $MAN -C "$tmpdir/manpath.config" \
+    -aw -M "${Mpath}" manx > "$tmpdir/1.out"
+cat > "$tmpdir/1.exp" <<EOF
+$abstmpdir/usr/share/man/man1/manx.1.gz
+EOF
+expect_files_equal \
+    'wildcards: -M option: without wildcards: check existing man page' \
+    "$tmpdir/1.exp" "$tmpdir/1.out"
+
+# With wildcards
+Mpath="$tmpdir/usr/share/prog/*/man"
+
+run $MAN -C "$tmpdir/manpath.config" \
+    -aw -M "${Mpath}" manx > "$tmpdir/1.out" 2> /dev/null
+: > "$tmpdir/1.exp"
+expect_files_equal \
+    'wildcards: -M option: with wildcards: check missing man page' \
+    "$tmpdir/1.exp" "$tmpdir/1.out"
+
+run $MAN -C "$tmpdir/manpath.config" \
+    -aw -M "${Mpath}" manpathx > "$tmpdir/1.out"
+cat > "$tmpdir/1.exp" <<EOF
+$abstmpdir/usr/share/prog/a/man/man1/manpathx.1.gz
+EOF
+expect_files_equal \
+    'wildcards: -M option: with wildcards: check existing man page' \
+    "$tmpdir/1.exp" "$tmpdir/1.out"
+
+Mpath="$tmpdir/usr/share/prog/[ab]/man"
+
+run $MAN -C "$tmpdir/manpath.config" \
+    -aw -M "${Mpath}" whatisx > "$tmpdir/1.out"
+cat > "$tmpdir/1.exp" <<EOF
+$abstmpdir/usr/share/prog/b/man/man1/whatisx.1.gz
+EOF
+expect_files_equal \
+    'wildcards: -M option: with wildcards: check existing man page II' \
+    "$tmpdir/1.exp" "$tmpdir/1.out"
+
+#
+# Testing MANPATH
+#
+
+# Without wildcards
+MANPATH="$tmpdir/usr/share/man"
+export MANPATH
+
+run $MAN -C "$tmpdir/manpath.config" \
+    -aw manpathx > "$tmpdir/1.out" 2> /dev/null
+: > "$tmpdir/1.exp"
+expect_files_equal \
+    'wildcards: MANPATH: without wildcards: check missing man page' \
+    "$tmpdir/1.exp" "$tmpdir/1.out"
+
+run $MAN -C "$tmpdir/manpath.config" \
+    -aw manx > "$tmpdir/1.out"
+cat > "$tmpdir/1.exp" <<EOF
+$abstmpdir/usr/share/man/man1/manx.1.gz
+EOF
+expect_files_equal \
+    'wildcards: MANPATH: without wildcards: check existing man page' \
+    "$tmpdir/1.exp" "$tmpdir/1.out"
+
+# With wildcards
+MANPATH="$tmpdir/usr/share/prog/*/man"
+export MANPATH
+
+run $MAN -C "$tmpdir/manpath.config" \
+    -aw manx > "$tmpdir/1.out" 2> /dev/null
+: > "$tmpdir/1.exp"
+expect_files_equal \
+    'wildcards: MANPATH: with wildcards: check missing man page' \
+    "$tmpdir/1.exp" "$tmpdir/1.out"
+
+run $MAN -C "$tmpdir/manpath.config" \
+    -aw manpathx > "$tmpdir/1.out"
+cat > "$tmpdir/1.exp" <<EOF
+$abstmpdir/usr/share/prog/a/man/man1/manpathx.1.gz
+EOF
+expect_files_equal \
+    'wildcards: MANPATH: with wildcards: check existing man page' \
+    "$tmpdir/1.exp" "$tmpdir/1.out"
+
+MANPATH="$tmpdir/usr/share/prog/[ab]/man"
+export MANPATH
+
+run $MAN -C "$tmpdir/manpath.config" \
+    -aw whatisx > "$tmpdir/1.out"
+cat > "$tmpdir/1.exp" <<EOF
+$abstmpdir/usr/share/prog/b/man/man1/whatisx.1.gz
+EOF
+expect_files_equal \
+    'wildcards: MANPATH: with wildcards: check existing man page II' \
+    "$tmpdir/1.exp" "$tmpdir/1.out"
+
+unset MANPATH
+
+#
+# Testing MANDATORY_MANPATH
+#
+
+# Without wildcards
+fake_config /usr/share/man
+
+run $MAN -C "$tmpdir/manpath.config" \
+    -aw manpathx > "$tmpdir/1.out" 2> /dev/null
+: > "$tmpdir/1.exp"
+expect_files_equal \
+    'wildcards: MANDATORY_MANPATH: without wildcards: check missing man page' \
+    "$tmpdir/1.exp" "$tmpdir/1.out"
+
+run $MAN -C "$tmpdir/manpath.config" \
+    -aw manx > "$tmpdir/1.out"
+cat > "$tmpdir/1.exp" <<EOF
+$abstmpdir/usr/share/man/man1/manx.1.gz
+EOF
+expect_files_equal \
+    'wildcards: MANDATORY_MANPATH: without wildcards: check existing man page' \
+    "$tmpdir/1.exp" "$tmpdir/1.out"
+
+# With wildcards
+fake_config "/usr/share/prog/*/man"
+
+run $MAN -C "$tmpdir/manpath.config" \
+    -aw manx > "$tmpdir/1.out" 2> /dev/null
+: > "$tmpdir/1.exp"
+expect_files_equal \
+    'wildcards: MANDATORY_MANPATH: with wildcards: check missing man page' \
+    "$tmpdir/1.exp" "$tmpdir/1.out"
+
+run $MAN -C "$tmpdir/manpath.config" \
+    -aw manpathx > "$tmpdir/1.out"
+cat > "$tmpdir/1.exp" <<EOF
+$abstmpdir/usr/share/prog/a/man/man1/manpathx.1.gz
+EOF
+expect_files_equal \
+    'wildcards: MANDATORY_MANPATH: with wildcards: check existing man page' \
+    "$tmpdir/1.exp" "$tmpdir/1.out"
+
+fake_config "/usr/share/prog/[ab]/man"
+
+run $MAN -C "$tmpdir/manpath.config" \
+    -aw whatisx > "$tmpdir/1.out"
+cat > "$tmpdir/1.exp" <<EOF
+$abstmpdir/usr/share/prog/b/man/man1/whatisx.1.gz
+EOF
+expect_files_equal \
+    'wildcards: MANDATORY_MANPATH: with wildcards: check existing man page II' \
+    "$tmpdir/1.exp" "$tmpdir/1.out"
+
+finish
diff --git a/src/tests/man-missing-locales b/src/tests/man-missing-locales
new file mode 100755
index 0000000..95819c0
--- /dev/null
+++ b/src/tests/man-missing-locales
@@ -0,0 +1,27 @@
+#! /bin/sh
+
+# Testing empty locales on systems without /usr/share/i18n/SUPPORTED file.
+#   https://bugzilla.redhat.com/show_bug.cgi?id=657409
+#
+# File /usr/share/i18n/SUPPORTED must be missing for this test to be effective.
+#
+
+: "${srcdir=.}"
+# shellcheck source-path=SCRIPTDIR
+. "$srcdir/testlib.sh"
+
+: "${MAN=man}"
+
+init
+fake_config /usr/share/man
+
+write_page test 1 "$tmpdir/usr/share/man/man1/test.1" \
+	UTF-8 '' '' 'test \- top-level test page'
+
+LANG=
+LC_CTYPE=
+LC_ALL=
+run $MAN -C "$tmpdir/manpath.config" -E UTF-8 test > /dev/null
+report 'missing locales' "$?"
+
+finish
diff --git a/src/tests/man-override-dir b/src/tests/man-override-dir
new file mode 100755
index 0000000..dc47649
--- /dev/null
+++ b/src/tests/man-override-dir
@@ -0,0 +1,46 @@
+#! /bin/sh
+
+# Testing override dir. This test covers both use cases - when override dir is
+# enabled and when it's not.
+#
+
+: "${srcdir=.}"
+# shellcheck source-path=SCRIPTDIR
+. "$srcdir/testlib.sh"
+
+: "${MAN=man}"
+
+if [ -n "$OVERRIDE_DIR" ]; then
+	OVERRIDE=$OVERRIDE_DIR
+else
+	OVERRIDE="override"
+fi
+
+init
+fake_config /usr/share/man
+mkdir -p "${tmpdir}/usr/share/man/${OVERRIDE}/man1"
+MANPATH="$tmpdir/usr/share/man"
+export MANPATH
+
+
+write_page abc 1 "${tmpdir}/usr/share/man/man1/abc.1" \
+	UTF-8 '' '' 'abc \- top-level test page'
+write_page abc 1 "${tmpdir}/usr/share/man/${OVERRIDE}/man1/abc.1" \
+	UTF-8 '' '' 'abc \- modified test page'
+
+if [ -n "$OVERRIDE_DIR" ]; then
+cat >"$tmpdir/1.exp" <<EOF
+$abstmpdir/usr/share/man/${OVERRIDE}/man1/abc.1
+$abstmpdir/usr/share/man/man1/abc.1
+EOF
+else
+cat >"$tmpdir/1.exp" <<EOF
+$abstmpdir/usr/share/man/man1/abc.1
+EOF
+fi
+
+
+run $MAN -C "$tmpdir/manpath.config" -aw abc >"$tmpdir/1.out"
+expect_files_equal 'testing override dir' "$tmpdir/1.exp" "$tmpdir/1.out"
+
+finish
diff --git a/src/tests/man-recode-in-place b/src/tests/man-recode-in-place
new file mode 100755
index 0000000..7262a0c
--- /dev/null
+++ b/src/tests/man-recode-in-place
@@ -0,0 +1,52 @@
+#! /bin/sh
+
+# Test man-recode's --in-place behaviour.
+
+: "${srcdir=.}"
+# shellcheck source-path=SCRIPTDIR
+. "$srcdir/testlib.sh"
+
+: "${MAN_RECODE=man-recode}"
+
+init
+
+cat >"$tmpdir/a.1.exp" <<'EOF'
+.SH NAME
+a \- á
+EOF
+cp "$tmpdir/a.1.exp" "$tmpdir/a.1"
+cat >"$tmpdir/b.1.exp" <<'EOF'
+'\" -*- coding: UTF-8 -*-
+.SH NAME
+b \- é
+EOF
+gzip -c <"$tmpdir/b.1.exp" >"$tmpdir/b.1.gz"
+cat >"$tmpdir/c.1.exp" <<'EOF'
+'\" -*- coding: UTF-8
+.SH NAME
+b \- é
+EOF
+cat >"$tmpdir/c.1" <<'EOF'
+'\" -*- coding: ISO-8859-1
+EOF
+<"$tmpdir/c.1.exp" tail -n +2 | iconv -f UTF-8 -t ISO-8859-1 >>"$tmpdir/c.1"
+gzip "$tmpdir/c.1"
+
+run $MAN_RECODE -t UTF-8 --in-place \
+	"$tmpdir/a.1" "$tmpdir/b.1.gz" "$tmpdir/c.1.gz"
+expect_files_equal '--in-place with no coding tag' \
+	"$tmpdir/a.1.exp" "$tmpdir/a.1"
+if [ "$HAVE_ICONV" = yes ]; then
+	expect_files_equal '--in-place with gzip and coding tag matching target encoding' \
+		"$tmpdir/b.1.exp" "$tmpdir/b.1"
+	expect_files_equal \
+		'--in-place with gzip and coding tag not matching target encoding' \
+		"$tmpdir/c.1.exp" "$tmpdir/c.1"
+else
+	report_skip '--in-place with gzip and coding tag matching target encoding'
+	report_skip '--in-place with gzip and coding tag not matching target encoding'
+fi
+test ! -f "$tmpdir/b.1.gz" && test ! -f "$tmpdir/c.1.gz"
+report '--in-place removes compressed input files' "$?"
+
+finish
diff --git a/src/tests/man-recode-suffix b/src/tests/man-recode-suffix
new file mode 100755
index 0000000..75b9424
--- /dev/null
+++ b/src/tests/man-recode-suffix
@@ -0,0 +1,50 @@
+#! /bin/sh
+
+# Test man-recode's --suffix behaviour.
+
+: "${srcdir=.}"
+# shellcheck source-path=SCRIPTDIR
+. "$srcdir/testlib.sh"
+
+: "${MAN_RECODE=man-recode}"
+
+init
+
+cat >"$tmpdir/a.1.exp" <<'EOF'
+.SH NAME
+a \- á
+EOF
+cp "$tmpdir/a.1.exp" "$tmpdir/a.1"
+cat >"$tmpdir/b.1.exp" <<'EOF'
+'\" -*- coding: UTF-8 -*-
+.SH NAME
+b \- é
+EOF
+gzip -c <"$tmpdir/b.1.exp" >"$tmpdir/b.1.gz"
+cat >"$tmpdir/c.1.exp" <<'EOF'
+'\" -*- coding: UTF-8
+.SH NAME
+b \- é
+EOF
+cat >"$tmpdir/c.1" <<'EOF'
+'\" -*- coding: ISO-8859-1
+EOF
+<"$tmpdir/c.1.exp" tail -n +2 | iconv -f UTF-8 -t ISO-8859-1 >>"$tmpdir/c.1"
+gzip "$tmpdir/c.1"
+
+run $MAN_RECODE -t UTF-8 --suffix .out \
+	"$tmpdir/a.1" "$tmpdir/b.1.gz" "$tmpdir/c.1.gz"
+expect_files_equal '--suffix with no coding tag' \
+	"$tmpdir/a.1.exp" "$tmpdir/a.1.out"
+expect_files_equal \
+	'--suffix with gzip and coding tag matching target encoding' \
+	"$tmpdir/b.1.exp" "$tmpdir/b.1.out"
+if [ "$HAVE_ICONV" = yes ]; then
+	expect_files_equal \
+		'--suffix with gzip and coding tag not matching target encoding' \
+		"$tmpdir/c.1.exp" "$tmpdir/c.1.out"
+else
+	report_skip '--suffix with gzip and coding tag not matching target encoding'
+fi
+
+finish
diff --git a/src/tests/man-so-links-same-section b/src/tests/man-so-links-same-section
new file mode 100755
index 0000000..bda7190
--- /dev/null
+++ b/src/tests/man-so-links-same-section
@@ -0,0 +1,91 @@
+#! /bin/sh
+
+# Test for relative .so links between man pages in the same section (e.g. ".so bar.1").
+#   https://bugzilla.redhat.com/show_bug.cgi?id=693458
+
+: "${srcdir=.}"
+# shellcheck source-path=SCRIPTDIR
+. "$srcdir/testlib.sh"
+
+: "${MAN=man}"
+
+init
+fake_config /usr/share/man
+MANPATH="$tmpdir/usr/share/man"
+export MANPATH
+
+cat >"$tmpdir/fake-program" <<EOF
+#! /bin/sh
+exec cat
+EOF
+chmod +x "$tmpdir/fake-program"
+PATH="$abstmpdir:$PATH"
+export PATH
+
+cat >>"$tmpdir/manpath.config" <<EOF
+DEFINE tbl fake-program
+DEFINE nroff fake-program
+EOF
+
+# There are 2 kind of tests. First, when destination is not gzipped, what means
+# that .so link contains full filename and second, when the destination is
+# gzipped, and .so link doesn't contain the file suffix.
+
+write_page test 1 "$tmpdir/usr/share/man/man1/test.1" \
+	UTF-8 '' '' 'test \- top-level test page'
+echo '.so man1/test.1' >"$tmpdir/usr/share/man/man1/test-fullso.1"
+echo '.so test.1' >"$tmpdir/usr/share/man/man1/test-relso.1"
+
+write_page testb 1 "$tmpdir/usr/share/man/man1/testb.1.gz" \
+	UTF-8 'gz' '' 'testb \- top-level test page'
+echo '.so man1/testb.1' >"$tmpdir/usr/share/man/man1/test-fullsob.1"
+echo '.so testb.1' >"$tmpdir/usr/share/man/man1/test-relsob.1"
+
+cat >"$tmpdir/1.exp" <<'EOF'
+.TH test 1
+.SH NAME
+test \- top-level test page
+.SH DESCRIPTION
+test
+EOF
+
+cat >"$tmpdir/2.exp" <<'EOF'
+.TH testb 1
+.SH NAME
+testb \- top-level test page
+.SH DESCRIPTION
+test
+EOF
+
+run $MAN -C "$tmpdir/manpath.config" test | \
+	grep -v '^\.l[flt] ' >"$tmpdir/1.out"
+expect_files_equal 'test(1) without .so link' \
+	"$tmpdir/1.exp" "$tmpdir/1.out"
+
+run $MAN -C "$tmpdir/manpath.config" test-fullso | \
+	grep -v '^\.l[flt] ' >"$tmpdir/2.out"
+expect_files_equal 'test-fullso(1) .so link with section' \
+	"$tmpdir/1.exp" "$tmpdir/2.out"
+
+run $MAN -C "$tmpdir/manpath.config" test-relso | \
+	grep -v '^\.l[flt] ' >"$tmpdir/3.out"
+expect_files_equal 'test-relso(1) .so link without section' \
+	"$tmpdir/1.exp" "$tmpdir/3.out"
+
+
+run $MAN -C "$tmpdir/manpath.config" testb | \
+	grep -v '^\.l[flt] ' >"$tmpdir/4.out"
+expect_files_equal 'testb(1) without .so link; gzipped' \
+	"$tmpdir/2.exp" "$tmpdir/4.out"
+
+run $MAN -C "$tmpdir/manpath.config" test-fullsob | \
+	grep -v '^\.l[flt] ' >"$tmpdir/5.out"
+expect_files_equal 'test-fullsob(1) .so link with section; gzipped' \
+	"$tmpdir/2.exp" "$tmpdir/5.out"
+
+run $MAN -C "$tmpdir/manpath.config" test-relsob | \
+	grep -v '^\.l[flt] ' >"$tmpdir/6.out"
+expect_files_equal 'test-relsob(1) .so link without section; gzipped' \
+	"$tmpdir/2.exp" "$tmpdir/6.out"
+
+finish
diff --git a/src/tests/man-suffixed-extension b/src/tests/man-suffixed-extension
new file mode 100755
index 0000000..1921e9b
--- /dev/null
+++ b/src/tests/man-suffixed-extension
@@ -0,0 +1,52 @@
+#!/bin/sh
+
+# Test for:
+#   man chmod.2 => man 2 chmod
+#   man 'chmod(2)' => man 2 chmod
+#   man chmod.2p => man 2p chmod
+#   man 'chmod(2p)' => man 2p chmod
+
+: "${srcdir=.}"
+# shellcheck source-path=SCRIPTDIR
+. "$srcdir/testlib.sh"
+
+: "${MAN=man}"
+
+init
+fake_config /usr/share/man
+MANPATH="$tmpdir/usr/share/man"
+export MANPATH
+
+page_name="chmod"
+
+write_page "$page_name" 1 "$tmpdir/usr/share/man/man1/${page_name}.1.gz" \
+        UTF-8 gz '' "$page_name \- coreutils $page_name manual page"
+write_page "$page_name" 2 "$tmpdir/usr/share/man/man2/${page_name}.2.gz" \
+        UTF-8 gz '' "$page_name \- $page_name() syscall manual page"
+
+cat >"$tmpdir/2.exp" <<EOF
+$abstmpdir/usr/share/man/man2/${page_name}.2.gz
+EOF
+
+run $MAN -C "$tmpdir/manpath.config" -aw "$page_name".2 >"$tmpdir/2.out"
+expect_files_equal '"man name.2" is the same as "man 2 name"' \
+        "$tmpdir/2.exp" "$tmpdir/2.out"
+run $MAN -C "$tmpdir/manpath.config" -aw "$page_name(2)" >"$tmpdir/2.out"
+expect_files_equal '"man '\''name(2)'\''" is the same as "man 2 name"' \
+        "$tmpdir/2.exp" "$tmpdir/2.out"
+
+mv "$tmpdir/usr/share/man/man2/$page_name.2.gz" \
+   "$tmpdir/usr/share/man/man2/$page_name.2p.gz"
+
+cat >"$tmpdir/2p.exp" <<EOF
+$abstmpdir/usr/share/man/man2/${page_name}.2p.gz
+EOF
+
+run $MAN -C "$tmpdir/manpath.config" -aw "$page_name".2p >"$tmpdir/2p.out"
+expect_files_equal '"man name.2p" is the same as "man 2p name"' \
+        "$tmpdir/2p.exp" "$tmpdir/2p.out"
+run $MAN -C "$tmpdir/manpath.config" -aw "$page_name(2p)" >"$tmpdir/2p.out"
+expect_files_equal '"man '\''name(2p)'\''" is the same as "man 2p name"' \
+        "$tmpdir/2p.exp" "$tmpdir/2p.out"
+
+finish
diff --git a/src/tests/man-symlinks-with-matching-names b/src/tests/man-symlinks-with-matching-names
new file mode 100755
index 0000000..f8c3bb8
--- /dev/null
+++ b/src/tests/man-symlinks-with-matching-names
@@ -0,0 +1,32 @@
+#! /bin/sh
+
+# Test for:
+#   https://bugs.debian.org/163347
+
+: "${srcdir=.}"
+# shellcheck source-path=SCRIPTDIR
+. "$srcdir/testlib.sh"
+
+: "${MAN=man}"
+
+init
+fake_config /usr/local/man /usr/share/man
+MANPATH="$tmpdir/usr/local/man:$tmpdir/usr/share/man"
+export MANPATH
+
+write_page md5sum 1 "$tmpdir/usr/share/man/man1/md5sum.1.gz" \
+	UTF-8 gz '' 'md5sum \- Debian md5sum manual page'
+write_page md5sum 1 "$tmpdir/usr/share/man/man1/md5sum.textutils.1.gz" \
+	UTF-8 gz '' 'md5sum \- coreutils md5sum manual page'
+mkdir -p "$tmpdir/usr/local/man/man1"
+ln -s ../../../share/man/man1/md5sum.textutils.1.gz \
+	"$tmpdir/usr/local/man/man1/md5sum.1.gz"
+cat >"$tmpdir/1.exp" <<EOF
+$abstmpdir/usr/share/man/man1/md5sum.textutils.1.gz
+$abstmpdir/usr/share/man/man1/md5sum.1.gz
+EOF
+run $MAN -C "$tmpdir/manpath.config" -aw md5sum >"$tmpdir/1.out"
+expect_files_equal 'symlinks with matching names win' \
+	"$tmpdir/1.exp" "$tmpdir/1.out"
+
+finish
diff --git a/src/tests/manconv-coding-tags b/src/tests/manconv-coding-tags
new file mode 100755
index 0000000..102a81e
--- /dev/null
+++ b/src/tests/manconv-coding-tags
@@ -0,0 +1,74 @@
+#! /bin/sh
+
+# Test manconv's support for Emacs-style coding: tags.
+
+: "${srcdir=.}"
+# shellcheck source-path=SCRIPTDIR
+. "$srcdir/testlib.sh"
+
+: "${MANCONV=manconv}"
+
+init
+
+cat >"$tmpdir/1.exp" <<'EOF'
+'\" -*- coding: UTF-8
+á
+EOF
+cat >"$tmpdir/1.inp" <<'EOF'
+'\" -*- coding: ISO-8859-1
+EOF
+<"$tmpdir/1.exp" tail -n +2 | iconv -f UTF-8 -t ISO-8859-1 >>"$tmpdir/1.inp"
+run $MANCONV -f UTF-8 -t UTF-8 <"$tmpdir/1.inp" >"$tmpdir/1.out"
+if [ "$HAVE_ICONV" = yes ]; then
+	expect_files_equal 'simple coding tag' "$tmpdir/1.exp" "$tmpdir/1.out"
+else
+	report_skip 'simple coding tag'
+fi
+
+cat >"$tmpdir/2.exp" <<'EOF'
+'\" -*- mode: troff; coding: UTF-8 -*-
+á
+EOF
+cat >"$tmpdir/2.inp" <<'EOF'
+'\" -*- mode: troff; coding: ISO-8859-1 -*-
+EOF
+<"$tmpdir/2.exp" tail -n +2 | iconv -f UTF-8 -t ISO-8859-1 >>"$tmpdir/2.inp"
+run $MANCONV -f UTF-8 -t UTF-8 <"$tmpdir/2.inp" >"$tmpdir/2.out"
+if [ "$HAVE_ICONV" = yes ]; then
+	expect_files_equal 'mode and coding tags' "$tmpdir/2.exp" "$tmpdir/2.out"
+else
+	report_skip 'mode and coding tags'
+fi
+
+cat >"$tmpdir/3.exp" <<'EOF'
+'\" -*- mode: troff; coding: UTF-8 -*-
+á
+EOF
+cat >"$tmpdir/3.inp" <<'EOF'
+'\" -*- mode: troff; coding: ISO-LATIN-1 -*-
+EOF
+<"$tmpdir/3.exp" tail -n +2 | iconv -f UTF-8 -t ISO-8859-1 >>"$tmpdir/3.inp"
+run $MANCONV -f UTF-8 -t UTF-8 <"$tmpdir/3.inp" >"$tmpdir/3.out"
+if [ "$HAVE_ICONV" = yes ]; then
+	expect_files_equal 'iso-latin-1 coding alias' "$tmpdir/3.exp" "$tmpdir/3.out"
+else
+	report_skip 'iso-latin-1 coding alias'
+fi
+
+cat >"$tmpdir/4.inp" <<'EOF'
+'\" -*- nroff -*-
+EOF
+run $MANCONV -f UTF-8 -t UTF-8 <"$tmpdir/4.inp" >"$tmpdir/4.out"
+expect_files_equal 'preprocessor comment but no coding tag' \
+	"$tmpdir/4.inp" "$tmpdir/4.out"
+
+cat >"$tmpdir/5.exp" <<'EOF'
+'\" -*- coding: utf-8
+á
+EOF
+cp "$tmpdir/5.exp" "$tmpdir/5.inp"
+run $MANCONV -f UTF-8 -t UTF-8 <"$tmpdir/5.inp" >"$tmpdir/5.out"
+expect_files_equal 'coding tag matches target encoding' \
+	"$tmpdir/5.inp" "$tmpdir/5.out"
+
+finish
diff --git a/src/tests/manconv-guess-from-encoding b/src/tests/manconv-guess-from-encoding
new file mode 100755
index 0000000..ca6f0bd
--- /dev/null
+++ b/src/tests/manconv-guess-from-encoding
@@ -0,0 +1,43 @@
+#! /bin/sh
+
+# Test manconv's support for guessing the input encoding if it is not
+# explicitly specified.
+
+: "${srcdir=.}"
+# shellcheck source-path=SCRIPTDIR
+. "$srcdir/testlib.sh"
+
+: "${MANCONV=manconv}"
+
+init
+
+if [ "$HAVE_ICONV" != yes ]; then
+	skip 'encoding conversion requires a working iconv'
+fi
+
+write_page coding-tag 7 \
+	"$tmpdir/usr/share/man/man7/coding-tag.7" \
+	ISO-8859-1 '' '' 'coding-tag \- é'
+iconv -f ISO-8859-1 -t UTF-8 \
+	<"$tmpdir/usr/share/man/man7/coding-tag.7" \
+	>"$tmpdir/coding-tag.7.exp"
+run $MANCONV -t UTF-8 "$tmpdir/usr/share/man/man7/coding-tag.7" \
+	>"$tmpdir/coding-tag.7.out"
+expect_files_equal 'recode from encoding guessed from directory name' \
+	"$tmpdir/coding-tag.7.exp" "$tmpdir/coding-tag.7.out"
+
+write_page lang-dir 7 \
+	"$tmpdir/usr/share/man/fr_FR.ISO-8859-1/man7/lang-dir.7.gz" \
+	ISO-8859-1 gz '-*- coding: ISO-8859-1 -*-' 'lang-dir \- é'
+cat >"$tmpdir/lang-dir.7.exp" <<'EOF'
+'\" -*- coding: UTF-8 -*-
+EOF
+zcat "$tmpdir/usr/share/man/fr_FR.ISO-8859-1/man7/lang-dir.7.gz" | \
+	tail -n +2 | iconv -f ISO-8859-1 -t UTF-8 >>"$tmpdir/lang-dir.7.exp"
+run $MANCONV -t UTF-8 \
+	"$tmpdir/usr/share/man/fr_FR.ISO-8859-1/man7/lang-dir.7.gz" \
+	>"$tmpdir/lang-dir.7.out"
+expect_files_equal 'recode from encoding guessed from directory name' \
+	"$tmpdir/lang-dir.7.exp" "$tmpdir/lang-dir.7.out"
+
+finish
diff --git a/src/tests/manconv-incomplete-char-at-eof b/src/tests/manconv-incomplete-char-at-eof
new file mode 100755
index 0000000..e1cdd78
--- /dev/null
+++ b/src/tests/manconv-incomplete-char-at-eof
@@ -0,0 +1,21 @@
+#! /bin/sh
+
+# Test manconv's handling of incomplete characters at end of file.
+
+: "${srcdir=.}"
+# shellcheck source-path=SCRIPTDIR
+. "$srcdir/testlib.sh"
+
+: "${MANCONV=manconv}"
+
+init
+
+if [ "$HAVE_ICONV" != yes ]; then
+	skip 'encoding conversion requires a working iconv'
+fi
+
+printf '\314' >"$tmpdir/1.inp"  # 0xCC
+! run $MANCONV -f EUC-JP -t UTF-8//IGNORE <"$tmpdir/1.inp" >/dev/null
+report 'incomplete character at EOF' "$?"
+
+finish
diff --git a/src/tests/manconv-odd-combinations b/src/tests/manconv-odd-combinations
new file mode 100755
index 0000000..b99c2fb
--- /dev/null
+++ b/src/tests/manconv-odd-combinations
@@ -0,0 +1,101 @@
+#! /bin/sh
+
+# Test manconv's handling of various odd encoding combinations.
+
+: "${srcdir=.}"
+# shellcheck source-path=SCRIPTDIR
+. "$srcdir/testlib.sh"
+
+: "${MANCONV=manconv}"
+
+init
+
+(for x in $(seq 160 255); do
+	printf %b "\\$(printf %03o "$x")"
+done
+echo) >"$tmpdir/1.inp"
+
+iconv -f ISO-8859-1 -t UTF-8 <"$tmpdir/1.inp" >"$tmpdir/1.exp"
+run $MANCONV -f UTF-8:ISO-8859-1 -t UTF-8 <"$tmpdir/1.inp" >"$tmpdir/1.out"
+if [ "$HAVE_ICONV" = yes ]; then
+	expect_files_equal '-f UTF-8:ISO-8859-1 -t UTF-8 on ISO-8859-1 input' \
+		"$tmpdir/1.exp" "$tmpdir/1.out"
+else
+	report_skip '-f UTF-8:ISO-8859-1 -t UTF-8 on ISO-8859-1 input'
+fi
+
+iconv -f ISO-8859-2 -t UTF-8 <"$tmpdir/1.inp" >"$tmpdir/1-latin2.exp"
+run $MANCONV -f UTF-8:ISO-8859-2 -t UTF-8 \
+	<"$tmpdir/1.inp" >"$tmpdir/1-latin2.out"
+if [ "$HAVE_ICONV" = yes ]; then
+	expect_files_equal '-f UTF-8:ISO-8859-2 -t UTF-8 on ISO-8859-2 input' \
+		"$tmpdir/1-latin2.exp" "$tmpdir/1-latin2.out"
+else
+	report_skip '-f UTF-8:ISO-8859-2 -t UTF-8 on ISO-8859-2 input'
+fi
+
+(for x in $(seq 1 1000); do
+	printf '‐'
+done
+echo 'Б' | iconv -f UTF-8 -t KOI8-R
+echo '‐') >"$tmpdir/2.inp"
+iconv -f KOI8-R -t UTF-8 <"$tmpdir/2.inp" >"$tmpdir/2.exp"
+run $MANCONV -f UTF-8:KOI8-R -t UTF-8 <"$tmpdir/2.inp" >"$tmpdir/2.out"
+if [ "$HAVE_ICONV" = yes ]; then
+	expect_files_equal \
+		'-f UTF-8:KOI8-R -t UTF-8 on KOI8-R input with UTF-8 prefix' \
+		"$tmpdir/2.exp" "$tmpdir/2.out"
+else
+	report_skip '-f UTF-8:KOI8-R -t UTF-8 on KOI8-R input with UTF-8 prefix'
+fi
+
+(for x in $(seq 160 255); do
+	printf %b "\\$(printf %03o "$x")"
+done
+echo) | iconv -f ISO-8859-1 -t UTF-8 >"$tmpdir/3.inp"
+run $MANCONV -f UTF-8:ISO-8859-1 -t UTF-8 <"$tmpdir/3.inp" >"$tmpdir/3.out"
+expect_files_equal '-f UTF-8:ISO-8859-1 -t UTF-8 preserves UTF-8 input' \
+	"$tmpdir/3.inp" "$tmpdir/3.out"
+
+# U+00B7 MIDDLE DOT is not representable in ISO-8859-2, and so should be
+# omitted. However, manconv should still recognise that the input was UTF-8
+# rather than falling back to ISO-8859-2.
+cat >"$tmpdir/4.inp" <<'EOF'
+š·ł
+EOF
+iconv -f UTF-8 -t ISO-8859-2 >"$tmpdir/4.exp" <<EOF
+šł
+EOF
+run $MANCONV -f UTF-8:ISO-8859-2 -t ISO-8859-2//IGNORE \
+	<"$tmpdir/4.inp" >"$tmpdir/4.out"
+if [ "$HAVE_ICONV" = yes ]; then
+	expect_files_equal \
+		'recognises input encoding and omits invalid output character' \
+		"$tmpdir/4.exp" "$tmpdir/4.out"
+else
+	report_skip 'recognises input encoding and omits invalid output character'
+fi
+
+# 0xAE does not exist in ISO-8859-7, so manconv won't be able to recode this
+# to UTF-8 without conversion errors. (In the original case where this was
+# seen in the wild, the coding: tag should actually have read ISO-8859-13.)
+iconv -f UTF-8 -t ISO-8859-13 >"$tmpdir/5.inp" <<'EOF'
+'\" -*- coding: ISO-8859-7
+REGISTERED SIGN: ®
+trailing data
+EOF
+cat >"$tmpdir/5.exp" <<'EOF'
+'\" -*- coding: UTF-8
+EOF
+<"$tmpdir/5.inp" tail -n +2 | iconv -f ISO-8859-7 -t UTF-8//IGNORE \
+	>>"$tmpdir/5.exp" 2>/dev/null
+run $MANCONV -f UTF-8:ISO-8859-1 -t UTF-8//IGNORE \
+	<"$tmpdir/5.inp" >"$tmpdir/5.out"
+if [ "$HAVE_ICONV" = yes ]; then
+	expect_files_equal 'copes with invalid input characters' \
+		"$tmpdir/5.exp" "$tmpdir/5.out"
+else
+	report_skip 'copes with invalid input characters'
+fi
+
+finish
diff --git a/src/tests/mandb-basic b/src/tests/mandb-basic
new file mode 100755
index 0000000..053438c
--- /dev/null
+++ b/src/tests/mandb-basic
@@ -0,0 +1,25 @@
+#! /bin/sh
+
+# Basic mandb tests.
+
+: "${srcdir=.}"
+# shellcheck source-path=SCRIPTDIR
+. "$srcdir/testlib.sh"
+
+: "${MANDB=mandb}"
+: "${ACCESSDB=accessdb}"
+
+init
+fake_config /usr/share/man
+MANPATH="$tmpdir/usr/share/man"
+export MANPATH
+db_ext="$(db_ext)"
+
+write_page test 1 "$tmpdir/usr/share/man/man1/test.1.gz" UTF-8 gz t \
+	'test \- simple mandb test'
+run $MANDB -C "$tmpdir/manpath.config" -u -q "$tmpdir/usr/share/man"
+echo 'test -> "- 1 1 MTIME A - - gz simple mandb test"' >"$tmpdir/1.exp"
+accessdb_filter "$tmpdir/usr/share/man/index$db_ext" >"$tmpdir/1.out"
+expect_files_equal 'simple mandb test' "$tmpdir/1.exp" "$tmpdir/1.out"
+
+finish
diff --git a/src/tests/mandb-bogus-symlink b/src/tests/mandb-bogus-symlink
new file mode 100755
index 0000000..0e8cca5
--- /dev/null
+++ b/src/tests/mandb-bogus-symlink
@@ -0,0 +1,25 @@
+#! /bin/sh
+
+# Test for double free or corruption crash with bogus filename and symlink of man page.
+#   https://bugzilla.redhat.com/show_bug.cgi?id=702904
+
+: "${srcdir=.}"
+# shellcheck source-path=SCRIPTDIR
+. "$srcdir/testlib.sh"
+
+: "${MANDB=mandb}"
+
+init
+fake_config /usr/share/man
+MANPATH="$tmpdir/usr/share/man"
+export MANPATH
+
+mkdir -p "$tmpdir/usr/share/man/man8"
+mkdir -p "$tmpdir/usr/lib/aa-bbb"
+write_page test1 8 "$tmpdir/usr/lib/aa-bbb/aa-test1.8.gz" UTF-8 gz t \
+	'test1 \- testing man page'
+ln -s "../../../lib/aa-bbb/aa-test1.8.gz" "$tmpdir/usr/share/man/man8/aa-test1.8.gz"
+run $MANDB -C "$tmpdir/manpath.config" -u -q "$tmpdir/usr/share/man"
+report 'double free' "$?"
+
+finish
diff --git a/src/tests/mandb-cachedir-tag b/src/tests/mandb-cachedir-tag
new file mode 100755
index 0000000..77f21b7
--- /dev/null
+++ b/src/tests/mandb-cachedir-tag
@@ -0,0 +1,32 @@
+#! /bin/sh
+
+# Don't create CACHEDIR.TAG in manpath
+
+: "${srcdir=.}"
+# shellcheck source-path=SCRIPTDIR
+. "$srcdir/testlib.sh"
+
+: "${MANDB=mandb}"
+
+init
+fake_config /usr/share/man
+mkdir -p "$tmpdir/usr/share/man"
+mkdir -p "$tmpdir/usr/dir/man"
+mkdir -p "$tmpdir/var/cache/man"
+echo "MANDATORY_MANPATH	$abstmpdir/usr/share/man" > "$tmpdir/manpath.config"
+echo "MANDATORY_MANPATH	$abstmpdir/usr/dir/man" >> "$tmpdir/manpath.config"
+echo "MANDB_MAP $abstmpdir/usr/share/man $abstmpdir/var/cache/man" >> "$tmpdir/manpath.config"
+
+write_page test 1 "$tmpdir/usr/share/man/man1/test.1" UTF-8 '' '' \
+	'test \- simple mandb test'
+write_page test2 1 "$tmpdir/usr/dir/man/man1/test2.1" UTF-8 '' '' \
+	'test2 \- simple mandb test'
+run $MANDB -C "$tmpdir/manpath.config" -q "$tmpdir/usr/share/man:$tmpdir/usr/dir/man"
+test -e "$tmpdir/var/cache/man/CACHEDIR.TAG"
+report "CACHEDIR.TAG exists" "$?"
+test ! -e "$tmpdir/usr/share/man/CACHEDIR.TAG"
+report "CACHEDIR.TAG doesn't exist 01" "$?"
+test ! -e "$tmpdir/usr/dir/man/CACHEDIR.TAG"
+report "CACHEDIR.TAG doesn't exist 02" "$?"
+
+finish
diff --git a/src/tests/mandb-empty-page b/src/tests/mandb-empty-page
new file mode 100755
index 0000000..66bdf74
--- /dev/null
+++ b/src/tests/mandb-empty-page
@@ -0,0 +1,28 @@
+#! /bin/sh
+
+# Test handling of empty files.
+#   https://bugs.debian.org/622104
+
+: "${srcdir=.}"
+# shellcheck source-path=SCRIPTDIR
+. "$srcdir/testlib.sh"
+
+: "${MANDB=mandb}"
+
+init
+fake_config /usr/share/man /usr/X11R6/man
+MANPATH="$tmpdir/usr/share/man"
+export MANPATH
+
+mkdir -p "$tmpdir/usr/share/man/man1"
+touch "$tmpdir/usr/share/man/man1/empty.1"
+gzip -9 "$tmpdir/usr/share/man/man1/empty.1"
+run $MANDB -C "$tmpdir/manpath.config" -u -q "$tmpdir/usr/share/man"
+report 'empty page' "$?"
+
+./fspause
+ln -s empty.1.gz "$tmpdir/usr/share/man/man1/empty2.1.gz"
+run $MANDB -C "$tmpdir/manpath.config" -u -q "$tmpdir/usr/share/man"
+report 'symlink to empty page' "$?"
+
+finish
diff --git a/src/tests/mandb-purge-updates-timestamp b/src/tests/mandb-purge-updates-timestamp
new file mode 100755
index 0000000..48666d8
--- /dev/null
+++ b/src/tests/mandb-purge-updates-timestamp
@@ -0,0 +1,70 @@
+#! /bin/sh
+
+# If mandb purges missing pages, it updates the database's timestamp,
+# without confusing itself into not scanning for newer pages.
+
+: "${srcdir=.}"
+# shellcheck source-path=SCRIPTDIR
+. "$srcdir/testlib.sh"
+
+: "${MANDB=mandb}"
+: "${ACCESSDB=accessdb}"
+
+init
+fake_config /usr/share/man
+MANPATH="$tmpdir/usr/share/man"
+export MANPATH
+db_ext="$(db_ext)"
+case $DBTYPE in
+	ndbm)	full_db_ext=.pag ;;
+	*)	full_db_ext="$db_ext" ;;
+esac
+
+write_page test1 1 "$tmpdir/usr/share/man/man1/test1.1.gz" \
+	UTF-8 gz t 'test1 \- test1(1)'
+write_page test2 1 "$tmpdir/usr/share/man/man1/test2.1.gz" \
+	UTF-8 gz t 'test2 \- test2(1)'
+write_page test3 1 "$tmpdir/usr/share/man/man1/test3.1.gz" \
+	UTF-8 gz t 'test3 \- test3(1)'
+run $MANDB -C "$tmpdir/manpath.config" -u -q "$tmpdir/usr/share/man"
+cat >"$tmpdir/1.exp" <<EOF
+test1 -> "- 1 1 MTIME A - - gz test1(1)"
+test2 -> "- 1 1 MTIME A - - gz test2(1)"
+test3 -> "- 1 1 MTIME A - - gz test3(1)"
+EOF
+accessdb_filter "$tmpdir/usr/share/man/index$db_ext" >"$tmpdir/1.out"
+expect_files_equal 'setup' "$tmpdir/1.exp" "$tmpdir/1.out"
+mtime1="$(./get-mtime "$tmpdir/usr/share/man/index$full_db_ext")"
+
+./fspause
+rm -f "$tmpdir/usr/share/man/man1/test3.1.gz"
+# Fool mandb into believing that this directory was not modified.  It will
+# still run its purge step.
+touch -r "$tmpdir/usr/share/man/index$db_ext" "$tmpdir/usr/share/man/man1"
+run $MANDB -C "$tmpdir/manpath.config" -u -q "$tmpdir/usr/share/man"
+cat >"$tmpdir/2.exp" <<EOF
+test1 -> "- 1 1 MTIME A - - gz test1(1)"
+test2 -> "- 1 1 MTIME A - - gz test2(1)"
+EOF
+accessdb_filter "$tmpdir/usr/share/man/index$db_ext" >"$tmpdir/2.out"
+expect_files_equal 'remove test3' "$tmpdir/2.exp" "$tmpdir/2.out"
+mtime2="$(./get-mtime "$tmpdir/usr/share/man/index$full_db_ext")"
+test "$mtime1" != "$mtime2"
+report 'mtime changed (1)' "$?"
+
+./fspause
+rm -f "$tmpdir/usr/share/man/man1/test2.1.gz"
+write_page test4 1 "$tmpdir/usr/share/man/man1/test4.1.gz" \
+	UTF-8 gz t 'test4 \- test4(1)'
+run $MANDB -C "$tmpdir/manpath.config" -u -q "$tmpdir/usr/share/man"
+cat >"$tmpdir/3.exp" <<EOF
+test1 -> "- 1 1 MTIME A - - gz test1(1)"
+test4 -> "- 1 1 MTIME A - - gz test4(1)"
+EOF
+accessdb_filter "$tmpdir/usr/share/man/index$db_ext" >"$tmpdir/3.out"
+expect_files_equal 'remove test2, add test4' "$tmpdir/3.exp" "$tmpdir/3.out"
+mtime3="$(./get-mtime "$tmpdir/usr/share/man/index$full_db_ext")"
+test "$mtime2" != "$mtime3"
+report 'mtime changed (2)' "$?"
+
+finish
diff --git a/src/tests/mandb-regular-file-symlink-changes b/src/tests/mandb-regular-file-symlink-changes
new file mode 100755
index 0000000..900d6b6
--- /dev/null
+++ b/src/tests/mandb-regular-file-symlink-changes
@@ -0,0 +1,68 @@
+#! /bin/sh
+
+# What happens when a manual page changes from a regular file to a symbolic
+# link and back?
+#   https://bugs.debian.org/490582
+
+: "${srcdir=.}"
+# shellcheck source-path=SCRIPTDIR
+. "$srcdir/testlib.sh"
+
+: "${MANDB=mandb}"
+: "${ACCESSDB=accessdb}"
+
+init
+fake_config /usr/share/man
+MANPATH="$tmpdir/usr/share/man"
+export MANPATH
+db_ext="$(db_ext)"
+
+write_page fs 5 "$tmpdir/usr/share/man/man5/fs.5.gz" \
+	UTF-8 gz t 'fs \- fs(5)'
+run $MANDB -C "$tmpdir/manpath.config" -u -q "$tmpdir/usr/share/man"
+cat >"$tmpdir/1.exp" <<EOF
+fs -> "- 5 5 MTIME A - - gz fs(5)"
+EOF
+accessdb_filter "$tmpdir/usr/share/man/index$db_ext" >"$tmpdir/1.out"
+expect_files_equal 'fs(5) setup' "$tmpdir/1.exp" "$tmpdir/1.out"
+
+./fspause
+write_page filesystems 5 "$tmpdir/usr/share/man/man5/filesystems.5.gz" \
+	UTF-8 gz t 'filesystems \- filesystems(5)'
+ln -sf filesystems.5.gz "$tmpdir/usr/share/man/man5/fs.5.gz"
+run $MANDB -C "$tmpdir/manpath.config" -u -q "$tmpdir/usr/share/man"
+cat >"$tmpdir/2.exp" <<EOF
+filesystems -> "- 5 5 MTIME A - - gz filesystems(5)"
+fs -> "- 5 5 MTIME B - - gz filesystems(5)"
+EOF
+accessdb_filter "$tmpdir/usr/share/man/index$db_ext" >"$tmpdir/2.out"
+expect_files_equal 'mandb notices regular file -> symlink' \
+	"$tmpdir/2.exp" "$tmpdir/2.out"
+
+./fspause
+ln -sf fs.5.gz "$tmpdir/usr/share/man/man5/fs2.5.gz"
+run $MANDB -C "$tmpdir/manpath.config" -u -q "$tmpdir/usr/share/man"
+cat >"$tmpdir/3.exp" <<EOF
+filesystems -> "- 5 5 MTIME A - - gz filesystems(5)"
+fs -> "- 5 5 MTIME B - - gz filesystems(5)"
+fs2 -> "- 5 5 MTIME B - - gz filesystems(5)"
+EOF
+accessdb_filter "$tmpdir/usr/share/man/index$db_ext" >"$tmpdir/3.out"
+expect_files_equal 'mandb notices two-level symlink' \
+	"$tmpdir/3.exp" "$tmpdir/3.out"
+
+./fspause
+rm -f "$tmpdir/usr/share/man/man5/fs.5.gz"
+write_page fs 5 "$tmpdir/usr/share/man/man5/fs.5.gz" \
+	UTF-8 gz t 'fs \- new fs(5)'
+run $MANDB -C "$tmpdir/manpath.config" -u -q "$tmpdir/usr/share/man"
+cat >"$tmpdir/4.exp" <<EOF
+filesystems -> "- 5 5 MTIME A - - gz filesystems(5)"
+fs -> "- 5 5 MTIME A - - gz new fs(5)"
+fs2 -> "- 5 5 MTIME B - - gz filesystems(5)"
+EOF
+accessdb_filter "$tmpdir/usr/share/man/index$db_ext" >"$tmpdir/4.out"
+expect_files_equal 'mandb notices symlink -> regular file' \
+	"$tmpdir/4.exp" "$tmpdir/4.out"
+
+finish
diff --git a/src/tests/mandb-symlink-beats-whatis-ref b/src/tests/mandb-symlink-beats-whatis-ref
new file mode 100755
index 0000000..f177ddb
--- /dev/null
+++ b/src/tests/mandb-symlink-beats-whatis-ref
@@ -0,0 +1,61 @@
+#! /bin/sh
+
+# Test for:
+#   https://bugs.debian.org/204249
+
+: "${srcdir=.}"
+# shellcheck source-path=SCRIPTDIR
+. "$srcdir/testlib.sh"
+
+: "${MANDB=mandb}"
+: "${ACCESSDB=accessdb}"
+
+init
+fake_config /usr/share/man /usr/X11R6/man
+MANPATH="$tmpdir/usr/share/man:$tmpdir/usr/X11R6/man"
+export MANPATH
+db_ext="$(db_ext)"
+
+write_page xterm 1x "$tmpdir/usr/X11R6/man/man1/xterm.1x.gz" \
+	UTF-8 gz '' 'xterm \- terminal emulator for X'
+mkdir -p "$tmpdir/usr/share/man/man1"
+ln -s ../../../X11R6/man/man1/xterm.1x.gz \
+      "$tmpdir/usr/share/man/man1/x-terminal-emulator.1.gz"
+run $MANDB -C "$tmpdir/manpath.config" -u -q \
+	"$tmpdir/usr/share/man:$tmpdir/usr/X11R6/man"
+cat >"$tmpdir/1-share.exp" <<EOF
+x-terminal-emulator -> "- 1 1 MTIME B - - gz terminal emulator for X"
+EOF
+cat >"$tmpdir/1-X11R6.exp" <<EOF
+xterm -> "- 1x 1 MTIME A - - gz terminal emulator for X"
+EOF
+accessdb_filter "$tmpdir/usr/share/man/index$db_ext" >"$tmpdir/1-share.out"
+accessdb_filter "$tmpdir/usr/X11R6/man/index$db_ext" >"$tmpdir/1-X11R6.out"
+expect_files_equal '/usr/share/man x-terminal-emulator -> xterm' \
+	    "$tmpdir/1-share.exp" "$tmpdir/1-share.out"
+expect_files_equal '/usr/X11R6/man x-terminal-emulator -> xterm' \
+	    "$tmpdir/1-X11R6.exp" "$tmpdir/1-X11R6.out"
+
+./fspause
+write_page uxterm 1x "$tmpdir/usr/X11R6/man/man1/uxterm.1x.gz" \
+	UTF-8 gz '' \
+	'uxterm \- X terminal emulator for Unicode (UTF-8) environments'
+ln -sf ../../../X11R6/man/man1/uxterm.1x.gz \
+      "$tmpdir/usr/share/man/man1/x-terminal-emulator.1.gz"
+run $MANDB -C "$tmpdir/manpath.config" -u -q \
+	"$tmpdir/usr/share/man:$tmpdir/usr/X11R6/man"
+cat >"$tmpdir/2-share.exp" <<EOF
+x-terminal-emulator -> "- 1 1 MTIME B - - gz X terminal emulator for Unicode (UTF-8) environments"
+EOF
+cat >"$tmpdir/2-X11R6.exp" <<EOF
+uxterm -> "- 1x 1 MTIME A - - gz X terminal emulator for Unicode (UTF-8) environments"
+xterm -> "- 1x 1 MTIME A - - gz terminal emulator for X"
+EOF
+accessdb_filter "$tmpdir/usr/share/man/index$db_ext" >"$tmpdir/2-share.out"
+accessdb_filter "$tmpdir/usr/X11R6/man/index$db_ext" >"$tmpdir/2-X11R6.out"
+expect_files_equal '/usr/share/man x-terminal-emulator -> uxterm' \
+	    "$tmpdir/2-share.exp" "$tmpdir/2-share.out"
+expect_files_equal '/usr/X11R6/man x-terminal-emulator -> uxterm' \
+	    "$tmpdir/2-X11R6.exp" "$tmpdir/2-X11R6.out"
+
+finish
diff --git a/src/tests/mandb-symlink-target-timestamp b/src/tests/mandb-symlink-target-timestamp
new file mode 100755
index 0000000..e366d96
--- /dev/null
+++ b/src/tests/mandb-symlink-target-timestamp
@@ -0,0 +1,32 @@
+#! /bin/sh
+
+# mandb stores the mtime for a symlink target as the mtime of the target
+# file, not the mtime of the symlink.
+
+: "${srcdir=.}"
+# shellcheck source-path=SCRIPTDIR
+. "$srcdir/testlib.sh"
+
+: "${MANDB=mandb}"
+: "${ACCESSDB=accessdb}"
+
+init
+fake_config /usr/share/man
+MANPATH="$tmpdir/usr/share/man"
+export MANPATH
+db_ext="$(db_ext)"
+
+write_page test 1 "$tmpdir/usr/share/man/man1/test.1.gz" \
+	UTF-8 gz t 'test \- test(1)'
+./fspause
+ln -s test.1.gz "$tmpdir/usr/share/man/man1/test-link.1.gz"
+run $MANDB -C "$tmpdir/manpath.config" -u -q "$tmpdir/usr/share/man"
+cat >"$tmpdir/1.exp" <<EOF
+test -> "- 1 1 $(./get-mtime "$tmpdir/usr/share/man/man1/test.1.gz" | sed 's/\.0*\([0-9]\)/ \1/') A - - gz test(1)"
+test-link -> "- 1 1 $(./get-mtime "$tmpdir/usr/share/man/man1/test-link.1.gz" | sed 's/\.0*\([0-9]\)/ \1/') B - - gz test(1)"
+EOF
+run $ACCESSDB "$tmpdir/usr/share/man/index$db_ext" | \
+	grep -v '^\$' >"$tmpdir/1.out"
+expect_files_equal 'correct mtimes' "$tmpdir/1.exp" "$tmpdir/1.out"
+
+finish
diff --git a/src/tests/mandb-whatis-broken-link-changes b/src/tests/mandb-whatis-broken-link-changes
new file mode 100755
index 0000000..2facd5d
--- /dev/null
+++ b/src/tests/mandb-whatis-broken-link-changes
@@ -0,0 +1,57 @@
+#! /bin/sh
+
+# Ensure that we don't repeatedly rescan when a whatis entry turns into a
+# broken link.
+
+: "${srcdir=.}"
+# shellcheck source-path=SCRIPTDIR
+. "$srcdir/testlib.sh"
+
+: "${MANDB=mandb}"
+: "${ACCESSDB=accessdb}"
+
+init
+fake_config /usr/share/man
+MANPATH="$tmpdir/usr/share/man"
+export MANPATH
+db_ext="$(db_ext)"
+
+NL='
+'
+
+write_page test 1 "$tmpdir/usr/share/man/man1/test.1.gz" UTF-8 gz t \
+	"test \- test page${NL}.br${NL}testlink \- link to test page"
+run $MANDB -C "$tmpdir/manpath.config" -u -q "$tmpdir/usr/share/man"
+cat >"$tmpdir/1.exp" <<EOF
+test -> "- 1 1 MTIME A - - gz test page"
+testlink -> "- 1 1 MTIME C test - gz "
+EOF
+accessdb_filter "$tmpdir/usr/share/man/index$db_ext" >"$tmpdir/1.out"
+expect_files_equal 'setup' "$tmpdir/1.exp" "$tmpdir/1.out"
+
+./fspause
+echo '.so nonexistent.1' | gzip -9c >"$tmpdir/usr/share/man/man1/testlink.1.gz"
+run $MANDB -C "$tmpdir/manpath.config" -u -q "$tmpdir/usr/share/man"
+cat >"$tmpdir/2.exp" <<EOF
+test -> "- 1 1 MTIME A - - gz test page"
+testlink -> "- 1 1 MTIME C test - gz "
+EOF
+accessdb_filter "$tmpdir/usr/share/man/index$db_ext" >"$tmpdir/2.out"
+expect_files_equal 'broken whatis' "$tmpdir/2.exp" "$tmpdir/2.out"
+
+./fspause
+LC_ALL=C run $MANDB -C "$tmpdir/manpath.config" -u \
+	"$tmpdir/usr/share/man" >"$tmpdir/3.out" 2>/dev/null
+cat >"$tmpdir/3.exp" <<EOF
+Purging old database entries in $abstmpdir/usr/share/man...
+Processing manual pages under $abstmpdir/usr/share/man...
+Checking for stray cats under $abstmpdir/usr/share/man...
+Processing manual pages under $abstmpdir/usr/share/man/cat1...
+0 man subdirectories contained newer manual pages.
+0 manual pages were added.
+0 stray cats were added.
+0 old database entries were purged.
+EOF
+expect_files_equal 'mandb does not rescan' "$tmpdir/3.exp" "$tmpdir/3.out"
+
+finish
diff --git a/src/tests/manpath-slash b/src/tests/manpath-slash
new file mode 100755
index 0000000..181bd92
--- /dev/null
+++ b/src/tests/manpath-slash
@@ -0,0 +1,28 @@
+#! /bin/sh
+
+: "${srcdir=.}"
+# shellcheck source-path=SCRIPTDIR
+. "$srcdir/testlib.sh"
+
+: "${MANPATH=manpath}"
+
+# Check whether manpath correctly parses PATH elements with trailing slash.
+
+init
+fake_config /usr/share/man
+mkdir -p "$tmpdir/bin"
+mkdir -p "$tmpdir/share/man"
+OLDPATH="$PATH"
+export PATH="$tmpdir/bin/:$OLDPATH"
+output=$(run $MANPATH)
+case "$output" in
+	"$tmpdir/share/man:"*) report "manpath with trailing slash" 0 ;;
+	*) report "manpath with trailing slash" 1 ;;
+esac
+export PATH="$tmpdir/bin:$OLDPATH"
+output=$(run $MANPATH)
+case "$output" in
+	"$tmpdir/share/man:"*) report "manpath without trailing slash" 0 ;;
+	*) report "manpath without trailing slash" 1 ;;
+esac
+finish
diff --git a/src/tests/testlib.sh b/src/tests/testlib.sh
new file mode 100644
index 0000000..c487229
--- /dev/null
+++ b/src/tests/testlib.sh
@@ -0,0 +1,119 @@
+# shellcheck shell=sh
+
+failures=0
+
+# Save tests the trouble of exporting variables they set when executing 'run'.
+export LC_ALL
+
+# Isolate tests from whatever the system configuration may happen to be.
+MAN_TEST_DISABLE_SYSTEM_CONFIG=1
+export MAN_TEST_DISABLE_SYSTEM_CONFIG
+
+init () {
+	# Create a temporary directory in /tmp or ./ ,
+	# put path to it into $tmpdir and $abstmpdir,
+	# remove it on exit.
+	{
+		tmpdir=$(mktemp -d) &&
+		abstmpdir="$tmpdir" &&
+		test -d "$tmpdir"
+	} || {
+		tmpdir="tmp-${0##*/}"
+		abstmpdir="$(pwd -P)/$tmpdir"
+		mkdir "$tmpdir"
+	} ||
+		exit $?
+	trap 'rm -rf "$tmpdir"' HUP INT QUIT TERM
+}
+
+run () {
+	# shellcheck disable=SC2154
+	"$abs_top_builddir/libtool" --mode=execute \
+		-dlopen "$abs_top_builddir/lib/.libs/libman.la" \
+		-dlopen "$abs_top_builddir/libdb/.libs/libmandb.la" \
+		"$@"
+}
+
+fake_config () {
+	for dir; do
+		echo "MANDATORY_MANPATH	$tmpdir$dir"
+	done >"$tmpdir/manpath.config"
+}
+
+db_ext () {
+	case $DBTYPE in
+		gdbm)	echo .db ;;
+		btree)	echo .bt ;;
+	esac
+}
+
+# Arguments: name section path encoding compression_extension preprocessor_line name_line
+write_page () {
+	mkdir -p "${3%/*}"
+	: >"$3.tmp1"
+	if [ "$6" ]; then
+		echo "'\\\" $6" >>"$3.tmp1"
+	fi
+	cat >>"$3.tmp1" <<EOF
+.TH $1 $2
+.SH NAME
+$7
+.SH DESCRIPTION
+test
+EOF
+	iconv -f UTF-8 -t "$4" <"$3.tmp1" >"$3.tmp2"
+	case $5 in
+		'')	cat ;;
+		gz|z)	gzip -9c ;;
+		Z)	compress -c ;;
+		bz2)	bzip2 -9c ;;
+		lzma)	lzma -9c ;;
+	esac <"$3.tmp2" >"$3"
+	rm -f "$3.tmp1" "$3.tmp2"
+}
+
+accessdb_filter () {
+	# e.g. 'test -> "- 1 1 1250702063 A - - gz simple mandb test"'
+	run $ACCESSDB "$1" | grep -v '^\$' | \
+		sed 's/\(-> "[^ ][^ ]* [^ ][^ ]* [^ ][^ ]* \)[^ ][^ ]* [^ ][^ ]* /\1MTIME /'
+}
+
+report () {
+	if [ "$2" = 0 ]; then
+		echo "  PASS: $1"
+	else
+		failures="$((failures + 1))"
+		echo "  FAIL: $1"
+	fi
+}
+
+expect_files_equal () {
+	ret=0
+	diff -u "$2" "$3" || ret=$?
+	report "$1" "$ret"
+}
+
+report_skip () {
+	echo "  SKIP: $1"
+}
+
+skip () {
+	report_skip "$1"
+	rm -rf "$abstmpdir"
+	exit 77
+}
+
+finish () {
+	case $failures in
+		0)
+			rm -rf "$abstmpdir"
+			exit 0
+			;;
+		*)
+			if [ -z "$TEST_FAILURE_KEEP" ]; then
+				rm -rf "$abstmpdir"
+			fi
+			exit 1
+			;;
+	esac
+}
diff --git a/src/tests/whatis-path-to-executable b/src/tests/whatis-path-to-executable
new file mode 100755
index 0000000..d358aad
--- /dev/null
+++ b/src/tests/whatis-path-to-executable
@@ -0,0 +1,57 @@
+#! /bin/sh
+
+# Test that whatis behaves appropriately when given a path to an executable.
+
+: "${srcdir=.}"
+# shellcheck source-path=SCRIPTDIR
+. "$srcdir/testlib.sh"
+
+: "${MANDB=mandb}"
+: "${WHATIS=whatis}"
+
+init
+fake_config /usr/share/man /usr/local/man
+cat >>"$tmpdir/manpath.config" <<EOF
+MANPATH_MAP	$tmpdir/usr/bin		$tmpdir/usr/share/man
+MANPATH_MAP	$tmpdir/usr/local/bin	$tmpdir/usr/local/man
+EOF
+MANPATH="$tmpdir/usr/share/man:$tmpdir/usr/local/man"
+export MANPATH
+
+write_page test 1 "$tmpdir/usr/share/man/man1/test.1.gz" \
+	UTF-8 gz '' 'test \- /usr/bin/test'
+write_page test 8 "$tmpdir/usr/local/man/man8/test.8.gz" \
+	UTF-8 gz '' 'test \- /usr/local/bin/test'
+mkdir -p "$tmpdir/usr/bin" "$tmpdir/usr/local/bin"
+touch "$tmpdir/usr/bin/test" "$tmpdir/usr/local/bin/test"
+chmod +x "$tmpdir/usr/bin/test" "$tmpdir/usr/local/bin/test"
+run $MANDB -C "$tmpdir/manpath.config" -u -q \
+	"$tmpdir/usr/share/man:$tmpdir/usr/local/man"
+
+cat >"$tmpdir/1.exp" <<EOF
+test (1)             - /usr/bin/test
+test (8)             - /usr/local/bin/test
+EOF
+PATH="$PATH:$tmpdir/usr/bin:$tmpdir/usr/local/bin" run $WHATIS \
+	-C "$tmpdir/manpath.config" test >"$tmpdir/1.out"
+expect_files_equal 'simple name returns all matches' \
+	"$tmpdir/1.exp" "$tmpdir/1.out"
+
+cat >"$tmpdir/2.exp" <<EOF
+test (1)             - /usr/bin/test
+EOF
+PATH="$PATH:$tmpdir/usr/bin:$tmpdir/usr/local/bin" run $WHATIS \
+	-C "$tmpdir/manpath.config" "$tmpdir/usr/bin/test" >"$tmpdir/2.out"
+expect_files_equal '/usr/bin/test only returns appropriate match' \
+	"$tmpdir/2.exp" "$tmpdir/2.out"
+
+cat >"$tmpdir/3.exp" <<EOF
+test (8)             - /usr/local/bin/test
+EOF
+PATH="$PATH:$tmpdir/usr/bin:$tmpdir/usr/local/bin" run $WHATIS \
+	-C "$tmpdir/manpath.config" "$tmpdir/usr/local/bin/test" \
+	>"$tmpdir/3.out"
+expect_files_equal '/usr/local/bin/test only returns appropriate match' \
+	"$tmpdir/3.exp" "$tmpdir/3.out"
+
+finish
diff --git a/src/tests/zsoelim-so-includes b/src/tests/zsoelim-so-includes
new file mode 100755
index 0000000..9a43c1a
--- /dev/null
+++ b/src/tests/zsoelim-so-includes
@@ -0,0 +1,61 @@
+#! /bin/sh
+
+# Test for:
+#   https://bugs.debian.org/503472
+
+: "${srcdir=.}"
+# shellcheck source-path=SCRIPTDIR
+. "$srcdir/testlib.sh"
+
+: "${MAN=man}"
+
+init
+fake_config /usr/local/man /usr/share/man
+MANPATH="$tmpdir/usr/local/man:$tmpdir/usr/share/man"
+export MANPATH
+
+cat >"$tmpdir/fake-program" <<EOF
+#! /bin/sh
+exec cat
+EOF
+chmod +x "$tmpdir/fake-program"
+PATH="$abstmpdir:$PATH"
+export PATH
+
+cat >>"$tmpdir/manpath.config" <<EOF
+DEFINE tbl fake-program
+DEFINE nroff fake-program
+EOF
+
+write_page test 1 "$tmpdir/usr/share/man/man1/test.1" \
+	UTF-8 '' '' 'test \- top-level test page'
+echo '.so man7/test2.7' >>"$tmpdir/usr/share/man/man1/test.1"
+write_page test2 7 "$tmpdir/usr/local/man/man7/test2.7" \
+	UTF-8 '' '' 'test2 \- second-level local test page'
+echo '.so test3.1' >>"$tmpdir/usr/local/man/man7/test2.7"
+write_page test3 1 "$tmpdir/usr/local/man/man1/test3.1" \
+	UTF-8 '' '' 'test3 \- third-level local test page'
+write_page test3 1 "$tmpdir/usr/share/man/man1/test3.1" \
+	UTF-8 '' '' 'test3 \- third-level test page'
+cat >"$tmpdir/1.exp" <<'EOF'
+.TH test 1
+.SH NAME
+test \- top-level test page
+.SH DESCRIPTION
+test
+.TH test2 7
+.SH NAME
+test2 \- second-level local test page
+.SH DESCRIPTION
+test
+.TH test3 1
+.SH NAME
+test3 \- third-level test page
+.SH DESCRIPTION
+test
+EOF
+run $MAN -C "$tmpdir/manpath.config" test | \
+	grep -v '^\.l[flt] ' >"$tmpdir/1.out"
+expect_files_equal 'test(1) expanded correctly' "$tmpdir/1.exp" "$tmpdir/1.out"
+
+finish
diff --git a/src/ult_src.c b/src/ult_src.c
new file mode 100644
index 0000000..c21aa51
--- /dev/null
+++ b/src/ult_src.c
@@ -0,0 +1,452 @@
+/*
+ * ult_src.c: Find the ultimate source of a page
+ *
+ * Copyright (C) 1994, 1995 Graeme W. Wilford. (Wilf.)
+ * Copyright (C) 2001, 2002, 2003, 2004, 2006, 2007, 2008, 2009, 2010, 2011,
+ *               2012 Colin Watson.
+ *
+ * This file is part of man-db.
+ *
+ * man-db is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * man-db is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with man-db; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ * code to seek out the original (ultimate) source man file for
+ * any specified man file. Soft and hard links and .so inclusions
+ * are traced. Use: reduce amount of cat files to a minimum.
+ *
+ * Mon May  2 11:14:28 BST 1994 Wilf. (G.Wilford@ee.surrey.ac.uk)
+ */
+
+#ifdef HAVE_CONFIG_H
+#  include "config.h"
+#endif /* HAVE_CONFIG_H */
+
+#include <string.h>
+#include <stdbool.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <ctype.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <errno.h>
+#include <assert.h>
+#include <dirent.h>
+#include <unistd.h>
+
+#include "canonicalize.h"
+#include "dirname.h"
+#include "error.h"
+#include "gl_array_list.h"
+#include "gl_hash_map.h"
+#include "gl_xlist.h"
+#include "gl_xmap.h"
+#include "xalloc.h"
+#include "xstrndup.h"
+#include "xvasprintf.h"
+
+#include "gettext.h"
+#define _(String) gettext (String)
+
+#include "manconfig.h"
+
+#include "compression.h"
+#include "debug.h"
+#include "glcontainers.h"
+
+#include "decompress.h"
+#include "ult_src.h"
+
+void gripe_canonicalize_failed (const char *path)
+{
+	if (quiet < 2) {
+		if (errno == ENOENT)
+			error (0, 0, _("warning: %s is a dangling symlink"),
+			       path);
+		else
+			error (0, errno, _("can't resolve %s"), path);
+	}
+}
+
+/* Find minimum value hard link filename for given file and inode.
+ * Returns a newly allocated string.
+ */
+static char *ult_hardlink (const char *fullpath, ino_t inode)
+{
+	DIR *mdir;
+	struct dirent *manlist;
+	char *base, *dir, *ret;
+	const char *slash;
+
+	slash = strrchr (fullpath, '/');
+	assert (slash);
+	dir = xstrndup (fullpath, slash - fullpath);
+	base = xstrdup (++slash);
+
+	mdir = opendir (dir);
+	if (mdir == NULL) {
+		if (quiet < 2)
+			error (0, errno, _("can't search directory %s"), dir);
+		free (dir);
+		free (base);
+		return NULL;
+	}
+
+	while ((manlist = readdir (mdir))) {
+		if (manlist->d_ino == inode &&
+		    strcmp (base, manlist->d_name) > 0) {
+			free (base);
+			base = xstrdup (manlist->d_name);
+			debug ("ult_hardlink: (%s)\n", base);
+		}
+	}
+	closedir (mdir);
+
+	/* If we already are the link with the smallest name value */
+	/* return NULL */
+
+	if (strcmp (base, slash) == 0) {
+		free (dir);
+		free (base);
+		return NULL;
+	}
+
+	ret = xasprintf ("%s/%s", dir, base);
+	free (dir);
+	free (base);
+	return ret;
+}
+
+/* Resolve all symbolic links within 'fullpath'.
+ * Returns a newly allocated string.
+ */
+static char *ult_softlink (const char *fullpath)
+{
+	char *resolved_path;
+
+	resolved_path = canonicalize_file_name (fullpath);
+	if (!resolved_path) {
+		/* discard the unresolved path */
+		gripe_canonicalize_failed (fullpath);
+		return NULL;
+	}
+
+	debug ("ult_softlink: (%s)\n", resolved_path);
+
+	return resolved_path;
+}
+
+static char *find_include_directive (char *path)
+{
+	decompress *decomp;
+	const char *buffer;
+	char *directive;
+
+	decomp = decompress_open (path, DECOMPRESS_ALLOW_INPROCESS);
+	if (!decomp) {
+		if (quiet < 2)
+			error (0, errno, _("can't open %s"), path);
+		return NULL;
+	}
+	decompress_start (decomp);
+
+	/* make sure that we skip over any comments */
+	do {
+		buffer = decompress_readline (decomp);
+	} while (buffer && STRNEQ (buffer, ".\\\"", 3));
+
+	directive = xstrdup (buffer ? buffer : "");
+
+	decompress_wait (decomp);
+	decompress_free (decomp);
+
+	return directive;
+}
+
+/* Test 'buffer' to see if it contains a .so include. If so and it's not an
+ * absolute filename, return newly allocated string whose contents are the
+ * include.
+ */
+static char *test_for_include (const char *buffer)
+{
+	if (!buffer)
+		return NULL;
+
+	/* strip out any leading whitespace (if any) */
+	while (CTYPE (isspace, *buffer))
+		buffer++;
+
+	/* see if the `command' is a .so */
+	if (strncmp (buffer, ".so", 3) == 0) {
+		buffer += 3;
+
+		/* strip out any whitespace between the command and
+		   its argument */
+		while (CTYPE (isspace, *buffer))
+			buffer++;
+
+		/* If .so's argument is an absolute filename, it could be
+		 * either (i) a macro inclusion, (ii) a non local manual page
+		 * or (iii) a (somewhat bogus) reference to a local manual
+		 * page.
+		 *
+		 * If (i) or (ii), we must not follow the reference. (iii) is
+		 * a problem with the manual page, thus we don't want to
+		 * follow any absolute inclusions in our quest for the
+		 * ultimate source file */
+		if (*buffer != '/') {
+			const char *end = buffer;
+			while (*end && !CTYPE (isspace, *end))
+				++end;
+			return xstrndup (buffer, end - buffer);
+		}
+	}
+	return NULL;
+}
+
+static char *find_include (const char *name, const char *path,
+			   const char *include)
+{
+	char *target;
+	struct compression *comp;
+
+	/* Restore the original path from before ult_softlink() etc., in
+	 * case it went outside the mantree.
+	 */
+	target = xasprintf ("%s/%s", path, include);
+	assert (target);
+
+	/* If the original path from above doesn't exist, try to create new
+	 * path as if the "include" was relative to the current man page.
+	 */
+	if (!CAN_ACCESS (target, F_OK)) {
+		comp = comp_file (target);
+		free (target);
+		if (comp) {
+			target = comp->stem;
+			comp->stem = NULL; /* steal memory */
+		} else
+			target = NULL;
+	}
+
+	if (!target) {
+		char *dirname = dir_name (name);
+		char *temp_file = xasprintf ("%s/%s", dirname, include);
+		assert (temp_file);
+		free (dirname);
+
+		if (CAN_ACCESS (temp_file, F_OK))
+			/* Just plain include. */
+			target = xstrdup (temp_file);
+		else {
+			comp = comp_file (temp_file);
+			if (comp) {
+				target = comp->stem;
+				comp->stem = NULL; /* steal memory */
+			}
+		}
+		free (temp_file);
+	}
+
+	if (target) {
+		char *canonicalized = canonicalize_file_name (target);
+		if (canonicalized)
+			return canonicalized;
+		else {
+			gripe_canonicalize_failed (target);
+			free (target);
+			return NULL;
+		}
+	} else {
+		if (quiet < 2)
+			error (0, 0, _("can't resolve %s"), include);
+		return NULL;
+	}
+}
+
+struct ult_key {
+	char *name;
+	int flags;
+};
+
+static struct ult_key *ult_key_new (const char *name, int flags)
+{
+	struct ult_key *ukey = XMALLOC (struct ult_key);
+	ukey->name = xstrdup (name);
+	ukey->flags = flags;
+	return ukey;
+}
+
+static bool ATTRIBUTE_PURE ult_key_equals (const void *key1, const void *key2)
+{
+	struct ult_key *ukey1 = (struct ult_key *) key1;
+	struct ult_key *ukey2 = (struct ult_key *) key2;
+	return ukey1->flags == ukey2->flags &&
+	       STREQ (ukey1->name, ukey2->name);
+}
+
+static size_t ATTRIBUTE_PURE ult_key_hash (const void *key)
+{
+	struct ult_key *ukey = (struct ult_key *) key;
+	return string_hash (ukey->name) ^ (size_t) ukey->flags;
+}
+
+static void ult_key_free (const void *key)
+{
+	struct ult_key *ukey = (struct ult_key *) key;
+	free (ukey->name);
+	free (ukey);
+}
+
+static struct ult_value *ult_value_new (void)
+{
+	struct ult_value *uvalue = XMALLOC (struct ult_value);
+	uvalue->path = NULL;
+	uvalue->trace = new_string_list (GL_ARRAY_LIST, true);
+	return uvalue;
+}
+
+static void ult_value_free (const void *value)
+{
+	struct ult_value *uvalue = (struct ult_value *) value;
+	if (uvalue) {
+		free (uvalue->path);
+		gl_list_free (uvalue->trace);
+		free (uvalue);
+	}
+}
+
+gl_map_t ult_cache = NULL;
+
+/*
+ * Find the ultimate source file by following any ".so filename" directives
+ * in the first line of the man pages.  Also (optionally) trace symlinks and
+ * hard links(!).
+ *
+ * name is full pathname, path is the MANPATH directory (/usr/man)
+ * flags is a combination of SO_LINK | SOFT_LINK | HARD_LINK
+ */
+const struct ult_value *ult_src (const char *name, const char *path,
+				 struct stat *buf, int flags)
+{
+	char *base = xstrdup (name);
+	struct ult_key *key;
+	const struct ult_value *existing;
+	struct ult_value *value;
+	struct stat new_buf;
+
+	if (!ult_cache)
+		ult_cache = gl_map_create_empty (GL_HASH_MAP,
+						 ult_key_equals, ult_key_hash,
+						 ult_key_free, ult_value_free);
+	key = ult_key_new (name, flags);
+	if (gl_map_search (ult_cache, key, (const void **) &existing)) {
+		ult_key_free (key);
+		return existing;
+	}
+	value = ult_value_new ();
+
+	debug ("ult_src: File %s in mantree %s\n", name, path);
+
+	gl_list_add_last (value->trace, xstrdup (name));
+
+	/* as ult_softlink() & ult_hardlink() do all of their respective
+	 * resolving in one call, only need to sort them out once
+	 */
+
+	/* If we don't have a buf, allocate and assign one */
+	if (!buf && ((flags & SOFT_LINK) || (flags & HARD_LINK))) {
+		buf = &new_buf;
+		if (lstat (base, buf) == -1) {
+			if (quiet < 2)
+				error (0, errno, _("can't resolve %s"), base);
+			goto err;
+		}
+	}
+
+	/* Permit semi local (inter-tree) soft links */
+	if (flags & SOFT_LINK) {
+		assert (buf); /* initialised above */
+		if (S_ISLNK (buf->st_mode)) {
+			/* Is a symlink, resolve it. */
+			char *softlink = ult_softlink (base);
+			if (softlink) {
+				free (base);
+				base = softlink;
+			} else
+				goto err;
+		}
+	}
+
+	/* Only deal with local (inter-dir) HARD links */
+	if (flags & HARD_LINK) {
+		assert (buf); /* initialised above */
+		if (buf->st_nlink > 1) {
+			/* Has HARD links, find least value */
+			char *hardlink = ult_hardlink (base,
+						       buf->st_ino);
+			if (hardlink) {
+				free (base);
+				base = hardlink;
+			}
+		}
+	}
+
+	if (flags & SO_LINK) {
+		int i;
+		for (i = 0; i < 10; ++i) {
+			char *directive, *include;
+
+			directive = find_include_directive (base);
+			if (!directive)
+				goto err;
+
+			include = test_for_include (directive);
+			free (directive);
+			if (!include)
+				break;
+
+			free (base);
+			base = find_include (name, path, include);
+			free (include);
+			if (!base)
+				goto err;
+
+			debug ("ult_src: points to %s\n", base);
+
+			gl_list_add_last (value->trace, xstrdup (base));
+		}
+		if (i == 10) {
+			if (quiet < 2)
+				error (0, 0, _("%s is self referencing"),
+				       name);
+			goto err;
+		}
+	}
+
+	/* We have the ultimate source */
+	value->path = xstrdup (base);
+	gl_list_add_last (value->trace, xstrdup (base));
+	gl_map_put (ult_cache, key, value);
+	free (base);
+	return value;
+
+err:
+	/* The cache is short-lived and only within a single process, so
+	 * negative caching is fine.
+	 */
+	ult_value_free (value);
+	gl_map_put (ult_cache, key, NULL);
+	free (base);
+	return NULL;
+}
diff --git a/src/ult_src.h b/src/ult_src.h
new file mode 100644
index 0000000..833d600
--- /dev/null
+++ b/src/ult_src.h
@@ -0,0 +1,45 @@
+/*
+ * ult_src.h: Interface to finding the ultimate source of a page
+ *
+ * Copyright (C) 1990, 1991 John W. Eaton.
+ * Copyright (C) 1994, 1995 Graeme W. Wilford. (Wilf.)
+ * Copyright (C) 2002, 2003, 2011 Colin Watson.
+ *
+ * This file is part of man-db.
+ *
+ * man-db is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * man-db is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with man-db; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+
+#include "gl_list.h"
+
+#define SO_LINK		0001
+#define SOFT_LINK	0002
+#define HARD_LINK	0004
+
+struct stat;
+
+struct ult_value {
+	/* Path to the ultimate source file. */
+	char *path;
+	/* A list of `const char *`, containing a trace of the link chain
+	 * from a given file.  Any names listed here should not have
+	 * `WHATIS_MAN` entries created for them.
+	 */
+	gl_list_t trace;
+};
+
+extern void gripe_canonicalize_failed (const char *path);
+extern const struct ult_value *ult_src (const char *name, const char *path,
+					struct stat *buf, int flags);
diff --git a/src/utf8.c b/src/utf8.c
new file mode 100644
index 0000000..d766ee6
--- /dev/null
+++ b/src/utf8.c
@@ -0,0 +1,138 @@
+/*
+ * utf8.c: UTF-8 validation
+ *
+ * Based on glib's gutf8.c, which is:
+ * Copyright (C) 1999 Tom Tromey
+ * Copyright (C) 2000 Red Hat, Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	 See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, see
+ * <https://www.gnu.org/licenses/>.
+ */
+
+#ifdef HAVE_CONFIG_H
+#  include "config.h"
+#endif /* HAVE_CONFIG_H */
+
+#include <assert.h>
+#include <stdbool.h>
+#include <stddef.h>
+
+#include "attribute.h"
+
+#include "manconfig.h"
+
+#include "utf8.h"
+
+#define VALIDATE_BYTE(mask, expect)                             \
+  do {                                                          \
+    if (UNLIKELY ((*(unsigned char *) p & (mask)) != (expect))) \
+      goto error;                                               \
+  } while (0)
+
+/* see IETF RFC 3629 Section 4 */
+
+static const char * ATTRIBUTE_PURE fast_validate_len (const char *str,
+						      size_t max_len)
+{
+	const char *p;
+	const char *end = str + max_len;
+
+	for (p = str; p < end && *p; p++) {
+		const char *last;
+
+		if (*(unsigned char *) p < 128)
+			continue;
+
+		last = p;
+		if (*(unsigned char *) p < 0xe0) {
+			/* 110xxxxx */
+			if (UNLIKELY (end - p < 2))
+				goto error;
+
+			if (UNLIKELY (*(unsigned char *) p < 0xc2))
+				goto error;
+		} else if (*(unsigned char *)p < 0xf0) {
+			/* 1110xxxx */
+			if (UNLIKELY (end - p < 3))
+				goto error;
+
+			switch (*(unsigned char *) p++ & 0x0f) {
+				case 0:
+					/* 0xa0 ... 0xbf */
+					VALIDATE_BYTE (0xe0, 0xa0);
+					break;
+				case 0x0d:
+					/* 0x80 ... 0x9f */
+					VALIDATE_BYTE (0xe0, 0x80);
+					break;
+				default:
+					/* 10xxxxxx */
+					VALIDATE_BYTE (0xc0, 0x80);
+			}
+		} else if (*(unsigned char *) p < 0xf5) {
+			/* 11110xxx excluding out-of-range */
+			if (UNLIKELY (end - p < 4))
+				goto error;
+
+			switch (*(unsigned char *) p++ & 0x07) {
+				case 0:
+					/* 0x90 ... 0xbf */
+					VALIDATE_BYTE (0xc0, 0x80);
+					if (UNLIKELY ((*(unsigned char *) p &
+						      0x30) == 0))
+						goto error;
+					break;
+				case 4:
+					/* 0x80 ... 0x8f */
+					VALIDATE_BYTE(0xf0, 0x80);
+					break;
+				default:
+					/* 10xxxxxx */
+					VALIDATE_BYTE(0xc0, 0x80);
+			}
+			p++;
+			/* 10xxxxxx */
+			VALIDATE_BYTE(0xc0, 0x80);
+		} else
+			goto error;
+
+		p++;
+		/* 10xxxxxx */
+		VALIDATE_BYTE(0xc0, 0x80);
+
+		continue;
+
+error:
+		return last;
+	}
+
+	return p;
+}
+
+/* Validates UTF-8 encoded text.  str is the text to validate; max_len is
+ * the number of bytes to validate.
+ *
+ * Note that utf8_validate() returns false if any of the max_len bytes are
+ * NUL.
+ *
+ * Returns true if the text was valid UTF-8.
+ */
+bool ATTRIBUTE_PURE utf8_validate_len (const char *str, size_t max_len)
+{
+	const char *p;
+
+	p = fast_validate_len (str, max_len);
+
+	return p == str + max_len;
+}
diff --git a/src/utf8.h b/src/utf8.h
new file mode 100644
index 0000000..de0811b
--- /dev/null
+++ b/src/utf8.h
@@ -0,0 +1,26 @@
+/*
+ * utf8.h: interface to UTF-8 validation
+ *
+ * Based on glib's gutf8.c, which is:
+ * Copyright (C) 1999 Tom Tromey
+ * Copyright (C) 2000 Red Hat, Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	 See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, see
+ * <https://www.gnu.org/licenses/>.
+ */
+
+#include <stdbool.h>
+#include <stddef.h>
+
+bool utf8_validate_len (const char *str, size_t max_len);
diff --git a/src/whatis.c b/src/whatis.c
new file mode 100644
index 0000000..7306ad7
--- /dev/null
+++ b/src/whatis.c
@@ -0,0 +1,943 @@
+/*
+ * whatis.c: search the index or whatis database(s) for words.
+ *
+ * Copyright (C) 1994, 1995 Graeme W. Wilford. (Wilf.)
+ * Copyright (C) 2001, 2002, 2003, 2004, 2006, 2007, 2008, 2009, 2010, 2011,
+ *               2012 Colin Watson.
+ *
+ * This file is part of man-db.
+ *
+ * man-db is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * man-db is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with man-db; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ * routines for whatis and apropos programs. Whatis looks up the
+ * keyword for the description, apropos searches the entire database
+ * for word matches.
+ *
+ * Mon Aug  8 20:35:30 BST 1994  Wilf. (G.Wilford@ee.surrey.ac.uk)
+ *
+ * CJW: Add more safety in the face of corrupted databases.
+ */
+
+#ifdef HAVE_CONFIG_H
+#  include "config.h"
+#endif /* HAVE_CONFIG_H */
+
+#include <assert.h>
+#include <stdbool.h>
+#include <stdlib.h>
+#include <string.h>
+#include <stdio.h>
+#include <ctype.h>
+#include <errno.h>
+#include <unistd.h>
+
+#include "gettext.h"
+#include <locale.h>
+#define _(String) gettext (String)
+#define N_(String) gettext_noop (String)
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include "regex.h"
+
+#include "argp.h"
+#include "attribute.h"
+#include "dirname.h"
+#include "error.h"
+#include "gl_hash_set.h"
+#include "gl_list.h"
+#include "gl_xset.h"
+#include "fnmatch.h"
+#include "progname.h"
+#include "xalloc.h"
+#include "xvasprintf.h"
+
+#include "manconfig.h"
+
+#include "appendstr.h"
+#include "cleanup.h"
+#include "debug.h"
+#include "fatal.h"
+#include "filenames.h"
+#include "glcontainers.h"
+#include "pipeline.h"
+#include "pathsearch.h"
+#include "linelength.h"
+#include "wordfnmatch.h"
+#include "xregcomp.h"
+#include "encodings.h"
+#include "sandbox.h"
+#include "util.h"
+
+#include "mydbm.h"
+#include "db_storage.h"
+
+#include "convert.h"
+#include "manp.h"
+
+static gl_list_t manpathlist;
+
+extern char *user_config_file;
+static char **keywords;
+static int num_keywords;
+
+bool am_apropos;
+int quiet = 1;
+man_sandbox *sandbox;
+
+static regex_t *preg;
+static bool regex_opt;
+static bool exact;
+
+static bool wildcard;
+
+static bool require_all;
+
+static bool long_output;
+
+static char **sections;
+
+static char *manp = NULL;
+static const char *alt_systems = "";
+static const char *locale = NULL;
+static char *multiple_locale = NULL, *internal_locale;
+
+static gl_set_t display_seen = NULL;
+
+const char *argp_program_version; /* initialised in main */
+const char *argp_program_bug_address = PACKAGE_BUGREPORT;
+error_t argp_err_exit_status = FAIL;
+
+static const char args_doc[] = N_("KEYWORD...");
+static const char apropos_doc[] = "\v" N_("The --regex option is enabled by default.");
+
+static struct argp_option options[] = {
+	OPT ("debug", 'd', 0, N_("emit debugging messages")),
+	OPT ("verbose", 'v', 0, N_("print verbose warning messages")),
+	OPT ("regex", 'r', 0, N_("interpret each keyword as a regex"), 10),
+	/* apropos only */
+	OPT ("exact", 'e', 0, N_("search each keyword for exact match")),
+	OPT ("wildcard", 'w', 0, N_("the keyword(s) contain wildcards")),
+	/* apropos only */
+	OPT ("and", 'a', 0, N_("require all keywords to match"), 20),
+	OPT ("long", 'l', 0, N_("do not trim output to terminal width"), 30),
+	OPT ("sections", 's', N_("LIST"),
+	     N_("search only these sections (colon-separated)"), 40),
+	OPT_ALIAS ("section", 0),
+	OPT ("systems", 'm', N_("SYSTEM"),
+	     N_("use manual pages from other systems")),
+	OPT ("manpath", 'M', N_("PATH"),
+	     N_("set search path for manual pages to PATH")),
+	OPT ("locale", 'L', N_("LOCALE"),
+	     N_("define the locale for this search")),
+	OPT ("config-file", 'C', N_("FILE"),
+	     N_("use this user configuration file")),
+	OPT_HIDDEN ("whatis", 'f'),
+	OPT_HIDDEN ("apropos", 'k'),
+	OPT_HELP_COMPAT,
+	{ 0 }
+};
+
+static char **split_sections (const char *sections_str)
+{
+	int i = 0;
+	char *str = xstrdup (sections_str);
+	const char *section;
+	char **out = NULL;
+
+	/* Although this is documented as colon-separated, at least Solaris
+	 * man's -s option takes a comma-separated list, so we accept that
+	 * too for compatibility.
+	 */
+	for (section = strtok (str, ":,"); section;
+	     section = strtok (NULL, ":,")) {
+		out = xnrealloc (out, i + 2, sizeof *out);
+		out[i++] = xstrdup (section);
+	}
+	if (i)
+		out[i] = NULL;
+
+	free (str);
+	return out;
+}
+
+static error_t parse_opt (int key, char *arg, struct argp_state *state)
+{
+	switch (key) {
+		case 'd':
+			debug_level = true;
+			return 0;
+		case 'v':
+			quiet = 0;
+			return 0;
+		case 'r':
+			regex_opt = true;
+			return 0;
+		case 'e':
+			/* Only makes sense for apropos, but has
+			 * historically been accepted by whatis anyway.
+			 */
+			regex_opt = false;
+			exact = true;
+			return 0;
+		case 'w':
+			regex_opt = false;
+			wildcard = true;
+			return 0;
+		case 'a':
+			if (am_apropos)
+				require_all = true;
+			else
+				argp_usage (state);
+			return 0;
+		case 'l':
+			long_output = true;
+			return 0;
+		case 's':
+			sections = split_sections (arg);
+			return 0;
+		case 'm':
+			alt_systems = arg;
+			return 0;
+		case 'M':
+			manp = xstrdup (arg);
+			return 0;
+		case 'L':
+			locale = arg;
+			return 0;
+		case 'C':
+			user_config_file = arg;
+			return 0;
+		case 'f':
+			/* helpful override if program name detection fails */
+			am_apropos = false;
+			return 0;
+		case 'k':
+			/* helpful override if program name detection fails */
+			am_apropos = true;
+			return 0;
+		case 'h':
+			argp_state_help (state, state->out_stream,
+					 ARGP_HELP_STD_HELP &
+					 ~ARGP_HELP_PRE_DOC);
+			break;
+		case ARGP_KEY_ARGS:
+			keywords = state->argv + state->next;
+			num_keywords = state->argc - state->next;
+			return 0;
+		case ARGP_KEY_NO_ARGS:
+			/* Make sure that we have a keyword! */
+			printf (_("%s what?\n"), program_name);
+			exit (FAIL);
+		case ARGP_KEY_SUCCESS:
+			if (am_apropos && !exact && !wildcard)
+				regex_opt = true;
+			return 0;
+	}
+	return ARGP_ERR_UNKNOWN;
+}
+
+static char *help_filter (int key, const char *text, void *input MAYBE_UNUSED)
+{
+	switch (key) {
+		case ARGP_KEY_HELP_PRE_DOC:
+			/* We have no pre-options help text, but the input
+			 * text may contain header junk due to gettext ("").
+			 */
+			return NULL;
+		default:
+			return (char *) text;
+	}
+}
+
+static struct argp apropos_argp = { options, parse_opt, args_doc, apropos_doc,
+				    0, help_filter };
+static struct argp whatis_argp = { options, parse_opt, args_doc };
+
+static char *locale_manpath (const char *manpath)
+{
+	char *all_locales;
+	char *new_manpath;
+
+	if (multiple_locale && *multiple_locale) {
+		if (internal_locale && *internal_locale)
+			all_locales = xasprintf ("%s:%s", multiple_locale,
+						 internal_locale);
+		else
+			all_locales = xstrdup (multiple_locale);
+	} else {
+		if (internal_locale && *internal_locale)
+			all_locales = xstrdup (internal_locale);
+		else
+			all_locales = NULL;
+	}
+
+	new_manpath = add_nls_manpaths (manpath, all_locales);
+	free (all_locales);
+
+	return new_manpath;
+}
+
+/* Do the old thing, if we cannot find the relevant database.
+ * This invokes grep once per argument; we can't do much about this because
+ * we need to know which arguments failed.  The only way to speed this up
+ * would be to implement grep internally, but it hardly seems worth it for a
+ * legacy mechanism.
+ */
+static void use_grep (const char * const *pages, int num_pages, char *manpath,
+		      bool *found)
+{
+	char *whatis_file = xasprintf ("%s/whatis", manpath);
+	assert (whatis_file);
+
+	if (CAN_ACCESS (whatis_file, R_OK)) {
+		const char *flags;
+		int i;
+
+		if (am_apropos) {
+			if (regex_opt)
+				flags = get_def_user (
+					"apropos_regex_grep_flags",
+					APROPOS_REGEX_GREP_FLAGS);
+			else
+				flags = get_def_user ("apropos_grep_flags",
+						      APROPOS_GREP_FLAGS);
+		} else
+			flags = get_def_user ("whatis_grep_flags",
+					      WHATIS_GREP_FLAGS);
+
+		for (i = 0; i < num_pages; ++i) {
+			pipeline *grep_pl;
+			pipecmd *grep_cmd;
+			char *anchored_page;
+
+			if (am_apropos)
+				anchored_page = xstrdup (pages[i]);
+			else
+				anchored_page = xasprintf ("^%s", pages[i]);
+
+			grep_cmd = pipecmd_new_argstr
+				(get_def_user ("grep", PROG_GREP));
+			pipecmd_argstr (grep_cmd, flags);
+			pipecmd_args (grep_cmd, anchored_page, whatis_file,
+				      (void *) 0);
+			pipecmd_pre_exec (grep_cmd, sandbox_load, sandbox_free,
+					  sandbox);
+			grep_pl = pipeline_new_commands (grep_cmd, (void *) 0);
+
+			if (pipeline_run (grep_pl) == 0)
+				found[i] = true;
+
+			free (anchored_page);
+		}
+	} else
+		debug ("warning: can't read the fallback whatis text database "
+		       "%s/whatis\n", manpath);
+
+	free (whatis_file);
+}
+
+static struct mandata *resolve_pointers (MYDBM_FILE dbf, struct mandata *info,
+					 const char *page)
+{
+	int rounds;
+	const char *newpage;
+
+	if (*(info->pointer) == '-' ||
+	    ((!info->name || STREQ (info->name, page)) &&
+	     STREQ (info->pointer, page)))
+		return info;
+
+	/* Now we have to work through pointers. The limit of 10 is fairly
+	 * arbitrary: it's just there to avoid an infinite loop.
+	 */
+	newpage = info->pointer;
+	info = dblookup_exact (dbf, newpage, info->ext, true);
+	for (rounds = 0; rounds < 10; rounds++) {
+		struct mandata *newinfo;
+
+		/* If the pointer lookup fails, do nothing. */
+		if (!info)
+			return NULL;
+
+		if (*(info->pointer) == '-' ||
+		    ((!info->name || STREQ (info->name, newpage)) &&
+		     STREQ (info->pointer, newpage)))
+			return info;
+
+		newinfo = dblookup_exact (dbf, info->pointer, info->ext, true);
+		free_mandata_struct (info);
+		info = newinfo;
+	}
+
+	if (!quiet)
+		error (0, 0, _("warning: %s contains a pointer loop"), page);
+	return NULL;
+}
+
+/* fill_in_whatis() is really a ../libdb/db_lookup.c routine but whatis.c
+   is the only file that actually requires access to the whatis text... */
+
+/* Take mandata struct (earlier returned from a dblookup()) and return
+   the relative whatis */
+static char *get_whatis (struct mandata *info, const char *page)
+{
+	if (!info)
+		return xstrdup (_("(unknown subject)"));
+
+	/* See if we need to fill in the whatis here. */
+	if (info->whatis != NULL && *(info->whatis))
+		return xstrdup (info->whatis);
+	if (!quiet && *(info->pointer) != '-')
+		error (0, 0, _("warning: %s contains a pointer loop"),
+		       page);
+	return xstrdup (_("(unknown subject)"));
+}
+
+/* print out any matches found */
+static void display (MYDBM_FILE dbf, struct mandata *info, const char *page)
+{
+	struct mandata *newinfo;
+	char *string, *whatis, *string_conv;
+	const char *page_name;
+	char *key;
+	int line_len, rest;
+
+	newinfo = resolve_pointers (dbf, info, page);
+	whatis = get_whatis (newinfo, page);
+	if (newinfo == NULL)
+		newinfo = info;
+
+	dbprintf (newinfo);
+
+	if (newinfo->name)
+		page_name = newinfo->name;
+	else
+		page_name = page;
+
+	key = xasprintf ("%s (%s)", page_name, newinfo->ext);
+	if (gl_set_search (display_seen, key))
+		goto out;
+	gl_set_add (display_seen, xstrdup (key));
+
+	line_len = get_line_length ();
+
+	if (!long_output && strlen (page_name) > (size_t) (line_len / 2))
+		string = xasprintf ("%.*s...", line_len / 2 - 3, page_name);
+	else
+		string = xstrdup (page_name);
+	string = appendstr (string, " (", newinfo->ext, ")", (void *) 0);
+	if (!STREQ (newinfo->pointer, "-") && !STREQ (newinfo->pointer, page))
+		string = appendstr (string, " [", newinfo->pointer, "]",
+				    (void *) 0);
+
+	if (strlen (string) < (size_t) 20) {
+		int i;
+		string = xrealloc (string, 21);
+		for (i = strlen (string); i < 20; ++i)
+			string[i] = ' ';
+		string[i] = '\0';
+	}
+	string = appendstr (string, " - ", (void *) 0);
+
+	rest = line_len - strlen (string);
+	if (!long_output && strlen (whatis) > (size_t) rest) {
+		whatis[rest - 3] = '\0';
+		string = appendstr (string, whatis, "...\n", (void *) 0);
+	} else
+		string = appendstr (string, whatis, "\n", (void *) 0);
+
+	string_conv = convert_to_locale (string);
+	fputs (string_conv, stdout);
+
+	free (string_conv);
+	free (string);
+
+out:
+	free (key);
+	free (whatis);
+	if (newinfo != info)
+		free_mandata_struct (newinfo);
+}
+
+/* lookup the page and display the results */
+static int do_whatis_section (MYDBM_FILE dbf,
+			      const char *page, const char *section)
+{
+	gl_list_t infos;
+	struct mandata *info;
+	int count = 0;
+
+	infos = dblookup_all (dbf, page, section, false);
+	GL_LIST_FOREACH (infos, info) {
+		display (dbf, info, page);
+		count++;
+	}
+	gl_list_free (infos);
+	return count;
+}
+
+static bool suitable_manpath (const char *manpath, const char *page_dir)
+{
+	char *page_manp, *pm;
+	gl_list_t page_manpathlist;
+	bool ret;
+
+	page_manp = get_manpath_from_path (page_dir, false);
+	if (!page_manp || !*page_manp) {
+		free (page_manp);
+		return false;
+	}
+	pm = locale_manpath (page_manp);
+	free (page_manp);
+	page_manp = pm;
+	page_manpathlist = create_pathlist (page_manp);
+
+	ret = gl_list_search (page_manpathlist, manpath) ? true : false;
+
+	free_pathlist (page_manpathlist);
+	free (page_manp);
+	return ret;
+}
+
+static void do_whatis (MYDBM_FILE dbf,
+		       const char * const *pages, int num_pages,
+		       const char *manpath, bool *found)
+{
+	int i;
+
+	for (i = 0; i < num_pages; ++i) {
+		char *page = xstrdup (pages[i]);
+		struct stat st;
+
+		if (strchr (page, '/') && stat (page, &st) == 0 &&
+		    !S_ISDIR (st.st_mode) &&
+		    st.st_mode & (S_IXUSR | S_IXGRP | S_IXOTH)) {
+			/* Perhaps an executable.  If its directory is on
+			 * $PATH, then we only want to process this page for
+			 * matching manual hierarchies.
+			 */
+			char *page_dir = dir_name (page);
+
+			if (directory_on_path (page_dir)) {
+				if (suitable_manpath (manpath, page_dir)) {
+					char *old_page = page;
+					page = base_name (old_page);
+					free (old_page);
+				} else {
+					debug ("%s not on manpath for %s\n",
+					       manpath, page);
+					free (page_dir);
+					free (page);
+					continue;
+				}
+			}
+			free (page_dir);
+		}
+
+		if (sections) {
+			char * const *section;
+
+			for (section = sections; *section; ++section) {
+				if (do_whatis_section (dbf, page, *section))
+					found[i] = true;
+			}
+		} else {
+			if (do_whatis_section (dbf, page, NULL))
+				found[i] = true;
+		}
+
+		free (page);
+	}
+}
+
+static bool any_set (int num_pages, bool *found_here)
+{
+	int i;
+
+	for (i = 0; i < num_pages; ++i)
+		if (found_here[i])
+			return true;
+	return false;
+}
+
+static bool all_set (int num_pages, bool *found_here)
+{
+	int i;
+
+	for (i = 0; i < num_pages; ++i)
+		if (!found_here[i])
+			return false;
+	return true;
+}
+
+static void parse_name (const char * const *pages, int num_pages,
+			const char *dbname, bool *found, bool *found_here)
+{
+	int i;
+
+	if (regex_opt) {
+		for (i = 0; i < num_pages; ++i) {
+			if (regexec (&preg[i], dbname, 0,
+				     (regmatch_t *) 0, 0) == 0)
+				found[i] = found_here[i] = true;
+		}
+		return;
+	}
+
+	if (am_apropos && !wildcard) {
+		for (i = 0; i < num_pages; ++i) {
+			if (strcasecmp (dbname, pages[i]) == 0)
+				found[i] = found_here[i] = true;
+		}
+		return;
+	}
+
+	for (i = 0; i < num_pages; ++i) {
+		if (fnmatch (pages[i], dbname, FNM_CASEFOLD) == 0)
+			found[i] = found_here[i] = true;
+	}
+}
+
+/* return true on word match */
+static bool ATTRIBUTE_PURE match (const char *page, const char *whatis)
+{
+	size_t len = strlen (page);
+	const char *begin;
+	char *p;
+
+	begin = whatis;
+
+	/* check for string match, then see if it is a _word_ */
+	while (whatis && (p = strcasestr (whatis, page))) {
+		char *left = p - 1;
+		char *right = p + len;
+
+		if ((p == begin || (!CTYPE (isalpha, *left) && *left != '_')) &&
+		    (!*right || (!CTYPE (isalpha, *right) && *right != '_')))
+		    	return true;
+		whatis = p + 1;
+	}
+
+	return false;
+}
+
+static void parse_whatis (const char * const *pages, int num_pages,
+			  const char *whatis, bool *found, bool *found_here)
+{
+	int i;
+
+	if (regex_opt) {
+		for (i = 0; i < num_pages; ++i) {
+			if (regexec (&preg[i], whatis, 0,
+				     (regmatch_t *) 0, 0) == 0)
+				found[i] = found_here[i] = true;
+		}
+		return;
+	}
+
+	if (wildcard) {
+		for (i = 0; i < num_pages; ++i) {
+			if (exact) {
+				if (fnmatch (pages[i], whatis, 0) == 0)
+					found[i] = found_here[i] = true;
+			} else {
+				if (word_fnmatch (pages[i], whatis))
+					found[i] = found_here[i] = true;
+			}
+		}
+		return;
+	}
+
+	for (i = 0; i < num_pages; ++i) {
+		if (match (pages[i], whatis))
+			found[i] = found_here[i] = true;
+	}
+}
+
+/* cjwatson: Optimized functions don't seem to be correct in some
+ * circumstances; disabled for now.
+ */
+#undef BTREE
+
+/* scan for the page, print any matches */
+static void do_apropos (MYDBM_FILE dbf,
+			const char * const *pages, int num_pages, bool *found)
+{
+	datum key, cont;
+	bool *found_here;
+	bool (*combine) (int, bool *);
+#ifndef BTREE
+	datum nextkey;
+#else /* BTREE */
+	int end;
+#endif /* !BTREE */
+
+	found_here = XNMALLOC (num_pages, bool);
+	combine = require_all ? all_set : any_set;
+
+#ifndef BTREE
+	key = MYDBM_FIRSTKEY (dbf);
+	while (MYDBM_DPTR (key)) {
+		cont = MYDBM_FETCH (dbf, key);
+#else /* BTREE */
+	end = man_btree_nextkeydata (dbf, &key, &cont);
+	while (!end) {
+#endif /* !BTREE */
+		char *tab;
+		struct mandata *info = NULL;
+
+		/* bug#4372, NULL pointer dereference in MYDBM_DPTR (cont),
+		 * fix by dassen@wi.leidenuniv.nl (J.H.M.Dassen), thanx Ray.
+		 * cjwatson: In that case, complain and exit, otherwise we
+		 * might loop (bug #95052).
+		 */
+		if (!MYDBM_DPTR (cont))
+		{
+			debug ("key was %s\n", MYDBM_DPTR (key));
+			fatal (0,
+			       _("Database %s corrupted; rebuild with "
+				 "mandb --create"),
+			       dbf->name);
+		}
+
+#pragma GCC diagnostic push
+#if GNUC_PREREQ(10,0)
+#  pragma GCC diagnostic ignored "-Wanalyzer-use-after-free"
+#endif
+		if (*MYDBM_DPTR (key) == '$')
+			goto nextpage;
+
+		if (*MYDBM_DPTR (cont) == '\t')
+			goto nextpage;
+#pragma GCC diagnostic pop
+
+		/* a real page */
+
+		info = split_content (dbf, MYDBM_DPTR (cont));
+
+		/* If there are sections given, does any of them match
+		 * either the section or extension of this page?
+		 */
+		if (sections) {
+			char * const *section;
+			bool matched = false;
+
+			for (section = sections; *section; ++section) {
+				if (STREQ (*section, info->sec) ||
+				    STREQ (*section, info->ext)) {
+					matched = true;
+					break;
+				}
+			}
+
+			if (!matched)
+				goto nextpage;
+		}
+
+		tab = strrchr (MYDBM_DPTR (key), '\t');
+		if (tab)
+			 *tab = '\0';
+
+		memset (found_here, 0, num_pages * sizeof (*found_here));
+		parse_name (pages, num_pages,
+			    MYDBM_DPTR (key), found, found_here);
+		if (am_apropos) {
+			char *whatis;
+
+			whatis = info->whatis ? xstrdup (info->whatis) : NULL;
+			if (!combine (num_pages, found_here) && whatis)
+				parse_whatis (pages, num_pages,
+					      whatis, found, found_here);
+			free (whatis);
+		}
+		if (combine (num_pages, found_here))
+			display (dbf, info, MYDBM_DPTR (key));
+
+		if (tab)
+			*tab = '\t';
+nextpage:
+#pragma GCC diagnostic push
+#if GNUC_PREREQ(10,0)
+#  pragma GCC diagnostic ignored "-Wanalyzer-double-free"
+#endif
+#ifndef BTREE
+		nextkey = MYDBM_NEXTKEY (dbf, key);
+		MYDBM_FREE_DPTR (cont);
+		MYDBM_FREE_DPTR (key);
+		key = nextkey;
+#else /* BTREE */
+		MYDBM_FREE_DPTR (cont);
+		MYDBM_FREE_DPTR (key);
+		end = man_btree_nextkeydata (dbf, &key, &cont);
+#endif /* !BTREE */
+#pragma GCC diagnostic pop
+		free_mandata_struct (info);
+	}
+
+	free (found_here);
+}
+
+/* loop through the man paths, searching for a match */
+static bool search (const char * const *pages, int num_pages)
+{
+	bool *found = XCALLOC (num_pages, bool);
+	char *mp;
+	bool any_found;
+	int i;
+
+	GL_LIST_FOREACH (manpathlist, mp) {
+		char *catpath, *database;
+		MYDBM_FILE dbf;
+
+		catpath = get_catpath (mp, SYSTEM_CAT | USER_CAT);
+		database = mkdbname (catpath ? catpath : mp);
+
+		debug ("path=%s\n", mp);
+
+		dbf = MYDBM_NEW (database);
+		if (!MYDBM_RDOPEN (dbf) || dbver_rd (dbf)) {
+			use_grep (pages, num_pages, mp, found);
+			goto next;
+		}
+
+		if (am_apropos)
+			do_apropos (dbf, pages, num_pages, found);
+		else {
+			if (regex_opt || wildcard)
+				do_apropos (dbf, pages, num_pages, found);
+			else
+				do_whatis (dbf, pages, num_pages, mp, found);
+		}
+
+next:
+		MYDBM_FREE (dbf);
+		free (database);
+		free (catpath);
+	}
+
+	any_found = false;
+	for (i = 0; i < num_pages; ++i) {
+		if (found[i])
+			any_found = true;
+		else
+			fprintf (stderr, _("%s: nothing appropriate.\n"),
+				 pages[i]);
+	}
+
+	free (found);
+	return any_found;
+}
+
+int main (int argc, char *argv[])
+{
+	char *program_base_name;
+	int status = OK;
+
+	set_program_name (argv[0]);
+	program_base_name = base_name (program_name);
+	if (STREQ (program_base_name, APROPOS_NAME)) {
+		am_apropos = true;
+		argp_program_version = "apropos " PACKAGE_VERSION;
+	} else {
+		struct argp_option *optionp;
+		am_apropos = false;
+		argp_program_version = "whatis " PACKAGE_VERSION;
+		for (optionp = (struct argp_option *) whatis_argp.options;
+		     optionp->name || optionp->key || optionp->arg ||
+		     optionp->flags || optionp->doc || optionp->group;
+		     ++optionp) {
+			if (!optionp->name)
+				continue;
+			if (STREQ (optionp->name, "exact") ||
+			    STREQ (optionp->name, "and"))
+				optionp->flags |= OPTION_HIDDEN;
+		}
+	}
+	free (program_base_name);
+
+	init_debug ();
+	pipeline_install_post_fork (pop_all_cleanups);
+	sandbox = sandbox_init ();
+	init_locale ();
+
+	internal_locale = setlocale (LC_MESSAGES, NULL);
+	/* Use LANGUAGE only when LC_MESSAGES locale category is
+	 * neither "C" nor "POSIX". */
+	if (internal_locale && strcmp (internal_locale, "C") &&
+	    strcmp (internal_locale, "POSIX"))
+		multiple_locale = getenv ("LANGUAGE");
+	internal_locale = xstrdup (internal_locale ? internal_locale : "C");
+
+	if (argp_parse (am_apropos ? &apropos_argp : &whatis_argp, argc, argv,
+			0, 0, 0))
+		exit (FAIL);
+
+	read_config_file (user_config_file != NULL);
+
+	/* close this locale and reinitialise if a new locale was
+	   issued as an argument or in $MANOPT */
+	if (locale) {
+		free (internal_locale);
+		internal_locale = setlocale (LC_ALL, locale);
+		if (internal_locale)
+			internal_locale = xstrdup (internal_locale);
+		else
+			internal_locale = xstrdup (locale);
+
+		debug ("main(): locale = %s, internal_locale = %s\n",
+		       locale, internal_locale);
+		if (internal_locale) {
+			setenv ("LANGUAGE", internal_locale, 1);
+			locale_changed ();
+			multiple_locale = NULL;
+		}
+	}
+
+	/* sort out the internal manpath */
+	if (manp == NULL)
+		manp = locale_manpath (get_manpath (alt_systems));
+	else
+		free (get_manpath (NULL));
+
+	manpathlist = create_pathlist (manp);
+
+	display_seen = new_string_set (GL_HASH_SET);
+
+	if (regex_opt) {
+		int i;
+		preg = XNMALLOC (num_keywords, regex_t);
+		for (i = 0; i < num_keywords; ++i)
+			xregcomp (&preg[i], keywords[i],
+				  REG_EXTENDED | REG_NOSUB | REG_ICASE);
+	}
+
+	if (!search ((const char **) keywords, num_keywords))
+		status = NOT_FOUND;
+
+	if (regex_opt) {
+		int i;
+		for (i = 0; i < num_keywords; ++i)
+			regfree (&preg[i]);
+		free (preg);
+	}
+
+	gl_set_free (display_seen);
+	free_pathlist (manpathlist);
+	free (manp);
+	free (internal_locale);
+	sandbox_free (sandbox);
+	exit (status);
+}
diff --git a/src/zsoelim.c b/src/zsoelim.c
new file mode 100644
index 0000000..ad4fd4c
--- /dev/null
+++ b/src/zsoelim.c
@@ -0,0 +1,2632 @@
+#ifdef HAVE_CONFIG_H
+#  include "config.h"
+#endif /* HAVE_CONFIG_H */
+
+#include "manconfig.h"
+
+/* Flex emits several functions which might reasonably have various
+ * attributes applied and many unused macros; none of these are our problem.
+ */
+#if GNUC_PREREQ(8,0)
+#  pragma GCC diagnostic ignored "-Wsuggest-attribute=malloc"
+#endif
+#pragma GCC diagnostic ignored "-Wsuggest-attribute=pure"
+#pragma GCC diagnostic ignored "-Wunused-macros"
+
+#line 17 "zsoelim.c"
+
+#define  YY_INT_ALIGNED short int
+
+/* A lexical scanner generated by flex */
+
+#define FLEX_SCANNER
+#define YY_FLEX_MAJOR_VERSION 2
+#define YY_FLEX_MINOR_VERSION 6
+#define YY_FLEX_SUBMINOR_VERSION 4
+#if YY_FLEX_SUBMINOR_VERSION > 0
+#define FLEX_BETA
+#endif
+
+/* First, we deal with  platform-specific or compiler-specific issues. */
+
+/* begin standard C headers. */
+#include <stdio.h>
+#include <string.h>
+#include <errno.h>
+#include <stdlib.h>
+
+/* end standard C headers. */
+
+/* flex integer type definitions */
+
+#ifndef FLEXINT_H
+#define FLEXINT_H
+
+/* C99 systems have <inttypes.h>. Non-C99 systems may or may not. */
+
+#if defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L
+
+/* C99 says to define __STDC_LIMIT_MACROS before including stdint.h,
+ * if you want the limit (max/min) macros for int types. 
+ */
+#ifndef __STDC_LIMIT_MACROS
+#define __STDC_LIMIT_MACROS 1
+#endif
+
+#include <inttypes.h>
+typedef int8_t flex_int8_t;
+typedef uint8_t flex_uint8_t;
+typedef int16_t flex_int16_t;
+typedef uint16_t flex_uint16_t;
+typedef int32_t flex_int32_t;
+typedef uint32_t flex_uint32_t;
+#else
+typedef signed char flex_int8_t;
+typedef short int flex_int16_t;
+typedef int flex_int32_t;
+typedef unsigned char flex_uint8_t; 
+typedef unsigned short int flex_uint16_t;
+typedef unsigned int flex_uint32_t;
+
+/* Limits of integral types. */
+#ifndef INT8_MIN
+#define INT8_MIN               (-128)
+#endif
+#ifndef INT16_MIN
+#define INT16_MIN              (-32767-1)
+#endif
+#ifndef INT32_MIN
+#define INT32_MIN              (-2147483647-1)
+#endif
+#ifndef INT8_MAX
+#define INT8_MAX               (127)
+#endif
+#ifndef INT16_MAX
+#define INT16_MAX              (32767)
+#endif
+#ifndef INT32_MAX
+#define INT32_MAX              (2147483647)
+#endif
+#ifndef UINT8_MAX
+#define UINT8_MAX              (255U)
+#endif
+#ifndef UINT16_MAX
+#define UINT16_MAX             (65535U)
+#endif
+#ifndef UINT32_MAX
+#define UINT32_MAX             (4294967295U)
+#endif
+
+#ifndef SIZE_MAX
+#define SIZE_MAX               (~(size_t)0)
+#endif
+
+#endif /* ! C99 */
+
+#endif /* ! FLEXINT_H */
+
+/* begin standard C++ headers. */
+
+/* TODO: this is always defined, so inline it */
+#define yyconst const
+
+#if defined(__GNUC__) && __GNUC__ >= 3
+#define yynoreturn __attribute__((__noreturn__))
+#else
+#define yynoreturn
+#endif
+
+/* Returned upon end-of-file. */
+#define YY_NULL 0
+
+/* Promotes a possibly negative, possibly signed char to an
+ *   integer in range [0..255] for use as an array index.
+ */
+#define YY_SC_TO_UI(c) ((YY_CHAR) (c))
+
+/* Enter a start condition.  This macro really ought to take a parameter,
+ * but we do it the disgusting crufty way forced on us by the ()-less
+ * definition of BEGIN.
+ */
+#define BEGIN (yy_start) = 1 + 2 *
+/* Translate the current start state into a value that can be later handed
+ * to BEGIN to return to the state.  The YYSTATE alias is for lex
+ * compatibility.
+ */
+#define YY_START (((yy_start) - 1) / 2)
+#define YYSTATE YY_START
+/* Action number for EOF rule of a given start state. */
+#define YY_STATE_EOF(state) (YY_END_OF_BUFFER + state + 1)
+/* Special action meaning "start processing a new file". */
+#define YY_NEW_FILE yyrestart( yyin  )
+#define YY_END_OF_BUFFER_CHAR 0
+
+/* Size of default input buffer. */
+#ifndef YY_BUF_SIZE
+#ifdef __ia64__
+/* On IA-64, the buffer size is 16k, not 8k.
+ * Moreover, YY_BUF_SIZE is 2*YY_READ_BUF_SIZE in the general case.
+ * Ditto for the __ia64__ case accordingly.
+ */
+#define YY_BUF_SIZE 32768
+#else
+#define YY_BUF_SIZE 16384
+#endif /* __ia64__ */
+#endif
+
+/* The state buf must be large enough to hold one state per character in the main buffer.
+ */
+#define YY_STATE_BUF_SIZE   ((YY_BUF_SIZE + 2) * sizeof(yy_state_type))
+
+#ifndef YY_TYPEDEF_YY_BUFFER_STATE
+#define YY_TYPEDEF_YY_BUFFER_STATE
+typedef struct yy_buffer_state *YY_BUFFER_STATE;
+#endif
+
+#ifndef YY_TYPEDEF_YY_SIZE_T
+#define YY_TYPEDEF_YY_SIZE_T
+typedef size_t yy_size_t;
+#endif
+
+extern int yyleng;
+
+extern FILE *yyin, *yyout;
+
+#define EOB_ACT_CONTINUE_SCAN 0
+#define EOB_ACT_END_OF_FILE 1
+#define EOB_ACT_LAST_MATCH 2
+    
+    #define YY_LESS_LINENO(n)
+    #define YY_LINENO_REWIND_TO(ptr)
+    
+/* Return all but the first "n" matched characters back to the input stream. */
+#define yyless(n) \
+	do \
+		{ \
+		/* Undo effects of setting up yytext. */ \
+        int yyless_macro_arg = (n); \
+        YY_LESS_LINENO(yyless_macro_arg);\
+		*yy_cp = (yy_hold_char); \
+		YY_RESTORE_YY_MORE_OFFSET \
+		(yy_c_buf_p) = yy_cp = yy_bp + yyless_macro_arg - YY_MORE_ADJ; \
+		YY_DO_BEFORE_ACTION; /* set up yytext again */ \
+		} \
+	while ( 0 )
+#define unput(c) yyunput( c, (yytext_ptr)  )
+
+#ifndef YY_STRUCT_YY_BUFFER_STATE
+#define YY_STRUCT_YY_BUFFER_STATE
+struct yy_buffer_state
+	{
+	FILE *yy_input_file;
+
+	char *yy_ch_buf;		/* input buffer */
+	char *yy_buf_pos;		/* current position in input buffer */
+
+	/* Size of input buffer in bytes, not including room for EOB
+	 * characters.
+	 */
+	int yy_buf_size;
+
+	/* Number of characters read into yy_ch_buf, not including EOB
+	 * characters.
+	 */
+	int yy_n_chars;
+
+	/* Whether we "own" the buffer - i.e., we know we created it,
+	 * and can realloc() it to grow it, and should free() it to
+	 * delete it.
+	 */
+	int yy_is_our_buffer;
+
+	/* Whether this is an "interactive" input source; if so, and
+	 * if we're using stdio for input, then we want to use getc()
+	 * instead of fread(), to make sure we stop fetching input after
+	 * each newline.
+	 */
+	int yy_is_interactive;
+
+	/* Whether we're considered to be at the beginning of a line.
+	 * If so, '^' rules will be active on the next match, otherwise
+	 * not.
+	 */
+	int yy_at_bol;
+
+    int yy_bs_lineno; /**< The line count. */
+    int yy_bs_column; /**< The column count. */
+
+	/* Whether to try to fill the input buffer when we reach the
+	 * end of it.
+	 */
+	int yy_fill_buffer;
+
+	int yy_buffer_status;
+
+#define YY_BUFFER_NEW 0
+#define YY_BUFFER_NORMAL 1
+	/* When an EOF's been seen but there's still some text to process
+	 * then we mark the buffer as YY_EOF_PENDING, to indicate that we
+	 * shouldn't try reading from the input source any more.  We might
+	 * still have a bunch of tokens to match, though, because of
+	 * possible backing-up.
+	 *
+	 * When we actually see the EOF, we change the status to "new"
+	 * (via yyrestart()), so that the user can continue scanning by
+	 * just pointing yyin at a new input file.
+	 */
+#define YY_BUFFER_EOF_PENDING 2
+
+	};
+#endif /* !YY_STRUCT_YY_BUFFER_STATE */
+
+/* Stack of input buffers. */
+static size_t yy_buffer_stack_top = 0; /**< index of top of stack. */
+static size_t yy_buffer_stack_max = 0; /**< capacity of stack. */
+static YY_BUFFER_STATE * yy_buffer_stack = NULL; /**< Stack as an array. */
+
+/* We provide macros for accessing buffer states in case in the
+ * future we want to put the buffer states in a more general
+ * "scanner state".
+ *
+ * Returns the top of the stack, or NULL.
+ */
+#define YY_CURRENT_BUFFER ( (yy_buffer_stack) \
+                          ? (yy_buffer_stack)[(yy_buffer_stack_top)] \
+                          : NULL)
+/* Same as previous macro, but useful when we know that the buffer stack is not
+ * NULL or when we need an lvalue. For internal use only.
+ */
+#define YY_CURRENT_BUFFER_LVALUE (yy_buffer_stack)[(yy_buffer_stack_top)]
+
+/* yy_hold_char holds the character lost when yytext is formed. */
+static char yy_hold_char;
+static int yy_n_chars;		/* number of characters read into yy_ch_buf */
+int yyleng;
+
+/* Points to current character in buffer. */
+static char *yy_c_buf_p = NULL;
+static int yy_init = 0;		/* whether we need to initialize */
+static int yy_start = 0;	/* start state number */
+
+/* Flag which is used to allow yywrap()'s to do buffer switches
+ * instead of setting up a fresh yyin.  A bit of a hack ...
+ */
+static int yy_did_buffer_switch_on_eof;
+
+void yyrestart ( FILE *input_file  );
+void yy_switch_to_buffer ( YY_BUFFER_STATE new_buffer  );
+YY_BUFFER_STATE yy_create_buffer ( FILE *file, int size  );
+void yy_delete_buffer ( YY_BUFFER_STATE b  );
+void yy_flush_buffer ( YY_BUFFER_STATE b  );
+void yypush_buffer_state ( YY_BUFFER_STATE new_buffer  );
+void yypop_buffer_state ( void );
+
+static void yyensure_buffer_stack ( void );
+static void yy_load_buffer_state ( void );
+static void yy_init_buffer ( YY_BUFFER_STATE b, FILE *file  );
+#define YY_FLUSH_BUFFER yy_flush_buffer( YY_CURRENT_BUFFER )
+
+YY_BUFFER_STATE yy_scan_buffer ( char *base, yy_size_t size  );
+YY_BUFFER_STATE yy_scan_string ( const char *yy_str  );
+YY_BUFFER_STATE yy_scan_bytes ( const char *bytes, int len  );
+
+void *yyalloc ( yy_size_t  );
+void *yyrealloc ( void *, yy_size_t  );
+void yyfree ( void *  );
+
+#define yy_new_buffer yy_create_buffer
+#define yy_set_interactive(is_interactive) \
+	{ \
+	if ( ! YY_CURRENT_BUFFER ){ \
+        yyensure_buffer_stack (); \
+		YY_CURRENT_BUFFER_LVALUE =    \
+            yy_create_buffer( yyin, YY_BUF_SIZE ); \
+	} \
+	YY_CURRENT_BUFFER_LVALUE->yy_is_interactive = is_interactive; \
+	}
+#define yy_set_bol(at_bol) \
+	{ \
+	if ( ! YY_CURRENT_BUFFER ){\
+        yyensure_buffer_stack (); \
+		YY_CURRENT_BUFFER_LVALUE =    \
+            yy_create_buffer( yyin, YY_BUF_SIZE ); \
+	} \
+	YY_CURRENT_BUFFER_LVALUE->yy_at_bol = at_bol; \
+	}
+#define YY_AT_BOL() (YY_CURRENT_BUFFER_LVALUE->yy_at_bol)
+
+/* Begin user sect3 */
+
+#define yywrap() (/*CONSTCOND*/1)
+#define YY_SKIP_YYWRAP
+typedef flex_uint8_t YY_CHAR;
+
+FILE *yyin = NULL, *yyout = NULL;
+
+typedef int yy_state_type;
+
+extern int yylineno;
+int yylineno = 1;
+
+extern char *yytext;
+#ifdef yytext_ptr
+#undef yytext_ptr
+#endif
+#define yytext_ptr yytext
+
+static const flex_int16_t yy_nxt[][13] =
+    {
+    {
+        0,    0,    0,    0,    0,    0,    0,    0,    0,    0,
+        0,    0,    0
+    },
+
+    {
+       13,   14,   14,   15,   14,   14,   14,   14,   14,   14,
+       14,   14,   14
+    },
+
+    {
+       13,   16,   16,   15,   16,   17,   16,   16,   16,   16,
+       16,   16,   16
+    },
+
+    {
+       13,   18,   19,   20,   21,   18,   18,   18,   18,   18,
+       18,   18,   18
+    },
+
+    {
+       13,   18,   19,   20,   21,   18,   18,   18,   18,   18,
+       18,   18,   18
+
+    },
+
+    {
+       13,   22,   22,   23,   22,   22,   22,   22,   22,   22,
+       22,   22,   22
+    },
+
+    {
+       13,   22,   22,   23,   22,   24,   22,   22,   22,   22,
+       22,   22,   22
+    },
+
+    {
+       13,   19,   25,   26,   19,   19,   19,   19,   19,   19,
+       19,   19,   19
+    },
+
+    {
+       13,   19,   25,   26,   19,   19,   19,   19,   19,   19,
+       19,   19,   19
+    },
+
+    {
+       13,   27,   27,   28,   29,   27,   30,   27,   27,   27,
+       27,   27,   27
+
+    },
+
+    {
+       13,   27,   27,   28,   29,   27,   30,   27,   27,   27,
+       27,   27,   27
+    },
+
+    {
+       13,   31,   32,   33,   34,   31,   31,   31,   31,   31,
+       31,   31,   31
+    },
+
+    {
+       13,   31,   32,   33,   34,   31,   31,   31,   31,   31,
+       31,   31,   31
+    },
+
+    {
+      -13,  -13,  -13,  -13,  -13,  -13,  -13,  -13,  -13,  -13,
+      -13,  -13,  -13
+    },
+
+    {
+       13,  -14,  -14,  -14,  -14,  -14,  -14,  -14,  -14,  -14,
+      -14,  -14,  -14
+
+    },
+
+    {
+       13,  -15,  -15,  -15,  -15,  -15,  -15,  -15,  -15,  -15,
+      -15,  -15,  -15
+    },
+
+    {
+       13,   35,   35,  -16,   35,   35,   35,   35,   35,   35,
+       35,   35,   35
+    },
+
+    {
+       13,   36,   36,   36,   36,   36,   36,   37,   36,   36,
+       38,   36,   39
+    },
+
+    {
+       13,   40,  -18,  -18,   41,   40,   40,   40,   40,   40,
+       40,   40,   40
+    },
+
+    {
+       13,  -19,  -19,  -19,  -19,  -19,  -19,  -19,  -19,  -19,
+      -19,  -19,  -19
+
+    },
+
+    {
+       13,  -20,  -20,  -20,  -20,  -20,  -20,  -20,  -20,  -20,
+      -20,  -20,  -20
+    },
+
+    {
+       13,   40,  -21,  -21,  -21,   40,   40,   40,   40,   40,
+       40,   40,   40
+    },
+
+    {
+       13,   42,   42,  -22,   42,   42,   42,   42,   42,   42,
+       42,   42,   42
+    },
+
+    {
+       13,  -23,  -23,  -23,  -23,  -23,  -23,  -23,  -23,  -23,
+      -23,  -23,  -23
+    },
+
+    {
+       13,   42,   42,  -24,   42,   43,   42,   42,   42,   42,
+       42,   42,   42
+
+    },
+
+    {
+       13,  -25,   44,   45,  -25,  -25,  -25,  -25,  -25,  -25,
+      -25,  -25,  -25
+    },
+
+    {
+       13,  -26,  -26,  -26,  -26,  -26,  -26,  -26,  -26,  -26,
+      -26,  -26,  -26
+    },
+
+    {
+       13,  -27,  -27,  -27,  -27,  -27,  -27,  -27,  -27,  -27,
+      -27,  -27,  -27
+    },
+
+    {
+       13,  -28,  -28,  -28,  -28,  -28,  -28,  -28,  -28,  -28,
+      -28,  -28,  -28
+    },
+
+    {
+       13,  -29,  -29,  -29,  -29,  -29,   46,  -29,  -29,  -29,
+      -29,  -29,  -29
+
+    },
+
+    {
+       13,  -30,  -30,  -30,   47,  -30,   46,  -30,  -30,  -30,
+      -30,  -30,  -30
+    },
+
+    {
+       13,   48,  -31,  -31,   49,   48,   48,   48,   48,   48,
+       48,   48,   48
+    },
+
+    {
+       13,  -32,   50,  -32,  -32,  -32,  -32,  -32,  -32,  -32,
+      -32,  -32,  -32
+    },
+
+    {
+       13,  -33,  -33,  -33,  -33,  -33,  -33,  -33,  -33,  -33,
+      -33,  -33,  -33
+    },
+
+    {
+       13,   48,  -34,  -34,  -34,   48,   48,   48,   48,   48,
+       48,   48,   48
+
+    },
+
+    {
+       13,   35,   35,  -35,   35,   35,   35,   35,   35,   35,
+       35,   35,   35
+    },
+
+    {
+       13,   51,   51,  -36,   51,   51,   51,   51,   51,   51,
+       51,   51,   51
+    },
+
+    {
+       13,   51,   51,  -37,   51,   51,   51,   51,   52,   51,
+       51,   51,   51
+    },
+
+    {
+       13,   53,   53,   53,   53,   53,   53,   53,   53,   54,
+       53,   53,   53
+    },
+
+    {
+       13,   55,   55,   55,   55,   55,   55,   55,   55,   55,
+       55,   56,   55
+
+    },
+
+    {
+       13,   40,  -40,  -40,   41,   40,   40,   40,   40,   40,
+       40,   40,   40
+    },
+
+    {
+       13,  -41,  -41,  -41,  -41,  -41,  -41,  -41,  -41,  -41,
+      -41,  -41,  -41
+    },
+
+    {
+       13,   42,   42,  -42,   42,   42,   42,   42,   42,   42,
+       42,   42,   42
+    },
+
+    {
+       13,   57,   57,  -43,   57,   57,   57,   57,   57,   57,
+       57,   57,   57
+    },
+
+    {
+       13,  -44,   44,   45,  -44,  -44,  -44,  -44,  -44,  -44,
+      -44,  -44,  -44
+
+    },
+
+    {
+       13,  -45,  -45,  -45,  -45,  -45,  -45,  -45,  -45,  -45,
+      -45,  -45,  -45
+    },
+
+    {
+       13,  -46,  -46,  -46,   47,  -46,   46,  -46,  -46,  -46,
+      -46,  -46,  -46
+    },
+
+    {
+       13,  -47,  -47,  -47,  -47,  -47,  -47,  -47,  -47,  -47,
+      -47,  -47,  -47
+    },
+
+    {
+       13,   48,  -48,  -48,   49,   48,   48,   48,   48,   48,
+       48,   48,   48
+    },
+
+    {
+       13,  -49,  -49,  -49,  -49,  -49,  -49,  -49,  -49,  -49,
+      -49,  -49,  -49
+
+    },
+
+    {
+       13,  -50,   50,  -50,  -50,  -50,  -50,  -50,  -50,  -50,
+      -50,  -50,  -50
+    },
+
+    {
+       13,   51,   51,  -51,   51,   51,   51,   51,   51,   51,
+       51,   51,   51
+    },
+
+    {
+       13,   58,   59,  -52,   58,   58,   58,   58,   58,   58,
+       58,   58,   58
+    },
+
+    {
+       13,   60,   60,  -53,   60,   60,   60,   60,   60,   60,
+       60,   60,   60
+    },
+
+    {
+       13,  -54,   61,  -54,  -54,  -54,  -54,  -54,  -54,  -54,
+      -54,  -54,  -54
+
+    },
+
+    {
+       13,   62,   62,  -55,   62,   62,   62,   62,   62,   62,
+       62,   62,   62
+    },
+
+    {
+       13,  -56,   63,  -56,  -56,  -56,  -56,  -56,  -56,  -56,
+      -56,  -56,  -56
+    },
+
+    {
+       13,   57,   57,  -57,   57,   57,   57,   57,   57,   57,
+       57,   57,   57
+    },
+
+    {
+       13,   58,   58,  -58,   58,   58,   58,   58,   58,   58,
+       58,   58,   58
+    },
+
+    {
+       13,   58,   59,  -59,   58,   58,   58,   58,   58,   58,
+       58,   58,   58
+
+    },
+
+    {
+       13,   60,   60,  -60,   60,   60,   60,   60,   60,   60,
+       60,   60,   60
+    },
+
+    {
+       13,  -61,   61,  -61,  -61,  -61,  -61,  -61,  -61,  -61,
+      -61,  -61,  -61
+    },
+
+    {
+       13,   62,   62,  -62,   62,   62,   62,   62,   62,   62,
+       62,   62,   62
+    },
+
+    {
+       13,  -63,   63,  -63,  -63,  -63,  -63,  -63,  -63,  -63,
+      -63,  -63,  -63
+    },
+
+    } ;
+
+static yy_state_type yy_get_previous_state ( void );
+static yy_state_type yy_try_NUL_trans ( yy_state_type current_state  );
+static int yy_get_next_buffer ( void );
+static void yynoreturn yy_fatal_error ( const char* msg  );
+
+/* Done after the current pattern has been matched and before the
+ * corresponding action - sets up yytext.
+ */
+#define YY_DO_BEFORE_ACTION \
+	(yytext_ptr) = yy_bp; \
+	yyleng = (int) (yy_cp - yy_bp); \
+	(yy_hold_char) = *yy_cp; \
+	*yy_cp = '\0'; \
+	(yy_c_buf_p) = yy_cp;
+#define YY_NUM_RULES 24
+#define YY_END_OF_BUFFER 25
+/* This struct is not used in this scanner,
+   but its presence is necessary. */
+struct yy_trans_info
+	{
+	flex_int32_t yy_verify;
+	flex_int32_t yy_nxt;
+	};
+static const flex_int16_t yy_accept[64] =
+    {   0,
+        0,    0,    0,    0,   16,   16,    0,    0,    0,    0,
+        0,    0,   25,   10,   11,    4,   10,   12,   24,   14,
+       24,   16,   17,   16,   24,   13,   22,   23,   22,   18,
+       19,   20,   21,   22,    4,    5,    5,    9,    8,   12,
+       12,   16,   15,    0,   13,   18,   18,   19,   19,   20,
+        5,    5,    6,    3,    7,    2,   15,    1,    1,    6,
+        3,    7,    2
+    } ;
+
+static const YY_CHAR yy_ec[256] =
+    {   0,
+        1,    1,    1,    1,    1,    1,    1,    1,    2,    3,
+        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
+        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
+        1,    2,    1,    4,    1,    1,    1,    1,    1,    1,
+        1,    1,    1,    1,    1,    5,    1,    6,    6,    6,
+        6,    6,    6,    6,    6,    6,    6,    1,    1,    1,
+        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
+        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
+        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
+        1,    1,    1,    1,    1,    1,    1,    1,    1,    7,
+
+        8,    9,    1,    1,    1,    1,    1,   10,    1,    1,
+       11,    1,    1,    1,   12,    1,    1,    1,    1,    1,
+        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
+        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
+        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
+        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
+        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
+        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
+        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
+        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
+
+        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
+        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
+        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
+        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
+        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
+        1,    1,    1,    1,    1
+    } ;
+
+static yy_state_type yy_last_accepting_state;
+static char *yy_last_accepting_cpos;
+
+extern int yy_flex_debug;
+int yy_flex_debug = 0;
+
+/* The intent behind this definition is that it'll catch
+ * any uses of REJECT which flex missed.
+ */
+#define REJECT reject_used_but_not_detected
+#define yymore() yymore_used_but_not_detected
+#define YY_MORE_ADJ 0
+#define YY_RESTORE_YY_MORE_OFFSET
+char *yytext;
+#line 1 "zsoelim.l"
+
+#line 19 "zsoelim.l"
+
+/*
+ * zsoelim.l: eliminate .so includes within *roff source
+ *
+ * Copyright (C) 1994, 1995 Graeme W. Wilford. (Wilf.)
+ * Copyright (C) 1997 Fabrizio Polacco.
+ * Copyright (C) 2001, 2002, 2003, 2004, 2006, 2007, 2008, 2009, 2010, 2011
+ *               Colin Watson.
+ *
+ * This file is part of man-db.
+ *
+ * man-db is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * man-db is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with man-db; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ * Added functionality over gsoelim to allow for compressed .so includes.
+ * This is required as the first *roff preprocessor in order to deal with
+ * 100% of compressed source files correctly. A replacement tmac.andoc was
+ * considered, but would not have been portable to all systems.
+ *
+ * Wed Oct 12 18:46:11 BST 1994  Wilf. (G.Wilford@ee.surrey.ac.uk)
+ *
+ * Tue, 14 Oct 1997 Fabrizio Polacco <fpolacco@debian.org>
+ * - added changes that were done to .c instead of -l source
+ * - added new start condition to avoid execution of .so requests
+ *   inside a macro definition.
+ */
+
+#define MAX_SO_DEPTH 	10		/* max .so recursion depth */
+#undef ACCEPT_QUOTES			/* accept quoted roff requests */
+
+#include <assert.h>
+#include <stdbool.h>
+#include <string.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <errno.h>
+
+#define NAME	so_name[so_stack_ptr]
+#define LINE	so_line[so_stack_ptr]
+#define PIPE	so_pipe[so_stack_ptr]
+
+#include "dirname.h"
+#include "error.h"
+#include "gl_linkedhash_list.h"
+#include "gl_xlist.h"
+#include "xalloc.h"
+#include "xgetcwd.h"
+#include "xvasprintf.h"
+
+#include "gettext.h"
+#include <locale.h>
+#define _(String) gettext (String)
+
+#include "appendstr.h"
+#include "compression.h"
+#include "debug.h"
+#include "fatal.h"
+#include "glcontainers.h"
+
+#include "decompress.h"
+#include "globbing.h"
+#include "zsoelim.h"
+
+#ifdef ACCEPT_QUOTES
+#  define ZAP_QUOTES	zap_quotes ()
+static void zap_quotes (void);
+#else
+#  define ZAP_QUOTES
+#endif
+
+static YY_BUFFER_STATE so_stack[MAX_SO_DEPTH];
+static char *so_name[MAX_SO_DEPTH];
+static int so_line[MAX_SO_DEPTH];
+static decompress *so_pipe[MAX_SO_DEPTH];
+static int so_stack_ptr;
+static bool no_newline;
+static gl_list_t so_manpathlist;
+static const char *so_parent_path;
+
+struct zsoelim_stdin_data {
+	char *path;
+	gl_list_t manpathlist;
+};
+
+/* The flex documentation says that yyin is only used by YY_INPUT, so we
+ * should safely be able to abuse it as a handy way to keep track of the
+ * current 'decompress *' rather than the usual 'FILE *'.
+ */
+#define YY_INPUT(buf,result,max_size) { \
+	size_t size = max_size; \
+	const char *block = decompress_read ((decompress *) yyin, &size); \
+	if (block && size != 0) { \
+		memcpy (buf, block, size); \
+		buf[size] = '\0'; \
+		result = size; \
+	} else \
+		result = YY_NULL; \
+}
+#define YY_NO_INPUT
+#line 890 "zsoelim.c"
+
+#line 892 "zsoelim.c"
+
+#define INITIAL 0
+#define so 1
+#define de 2
+#define end_request 3
+#define lfnumber 4
+#define lfname 5
+
+#ifndef YY_NO_UNISTD_H
+/* Special case for "unistd.h", since it is non-ANSI. We include it way
+ * down here because we want the user's section 1 to have been scanned first.
+ * The user has a chance to override it with an option.
+ */
+#include <unistd.h>
+#endif
+
+#ifndef YY_EXTRA_TYPE
+#define YY_EXTRA_TYPE void *
+#endif
+
+static int yy_init_globals ( void );
+
+/* Accessor methods to globals.
+   These are made visible to non-reentrant scanners for convenience. */
+
+int yylex_destroy ( void );
+
+int yyget_debug ( void );
+
+void yyset_debug ( int debug_flag  );
+
+YY_EXTRA_TYPE yyget_extra ( void );
+
+void yyset_extra ( YY_EXTRA_TYPE user_defined  );
+
+FILE *yyget_in ( void );
+
+void yyset_in  ( FILE * _in_str  );
+
+FILE *yyget_out ( void );
+
+void yyset_out  ( FILE * _out_str  );
+
+			int yyget_leng ( void );
+
+char *yyget_text ( void );
+
+int yyget_lineno ( void );
+
+void yyset_lineno ( int _line_number  );
+
+/* Macros after this point can all be overridden by user definitions in
+ * section 1.
+ */
+
+#ifndef YY_SKIP_YYWRAP
+#ifdef __cplusplus
+extern "C" int yywrap ( void );
+#else
+extern int yywrap ( void );
+#endif
+#endif
+
+#ifndef YY_NO_UNPUT
+    
+#endif
+
+#ifndef yytext_ptr
+static void yy_flex_strncpy ( char *, const char *, int );
+#endif
+
+#ifdef YY_NEED_STRLEN
+static int yy_flex_strlen ( const char * );
+#endif
+
+#ifndef YY_NO_INPUT
+#ifdef __cplusplus
+static int yyinput ( void );
+#else
+static int input ( void );
+#endif
+
+#endif
+
+/* Amount of stuff to slurp up with each read. */
+#ifndef YY_READ_BUF_SIZE
+#ifdef __ia64__
+/* On IA-64, the buffer size is 16k, not 8k */
+#define YY_READ_BUF_SIZE 16384
+#else
+#define YY_READ_BUF_SIZE 8192
+#endif /* __ia64__ */
+#endif
+
+/* Copy whatever the last rule matched to the standard output. */
+#ifndef ECHO
+/* This used to be an fputs(), but since the string might contain NUL's,
+ * we now use fwrite().
+ */
+#define ECHO do { if (fwrite( yytext, (size_t) yyleng, 1, yyout )) {} } while (0)
+#endif
+
+/* Gets input and stuffs it into "buf".  number of characters read, or YY_NULL,
+ * is returned in "result".
+ */
+#ifndef YY_INPUT
+#define YY_INPUT(buf,result,max_size) \
+	if ( YY_CURRENT_BUFFER_LVALUE->yy_is_interactive ) \
+		{ \
+		int c = '*'; \
+		int n; \
+		for ( n = 0; n < max_size && \
+			     (c = getc( yyin )) != EOF && c != '\n'; ++n ) \
+			buf[n] = (char) c; \
+		if ( c == '\n' ) \
+			buf[n++] = (char) c; \
+		if ( c == EOF && ferror( yyin ) ) \
+			YY_FATAL_ERROR( "input in flex scanner failed" ); \
+		result = n; \
+		} \
+	else \
+		{ \
+		errno=0; \
+		while ( (result = (int) fread(buf, 1, (yy_size_t) max_size, yyin)) == 0 && ferror(yyin)) \
+			{ \
+			if( errno != EINTR) \
+				{ \
+				YY_FATAL_ERROR( "input in flex scanner failed" ); \
+				break; \
+				} \
+			errno=0; \
+			clearerr(yyin); \
+			} \
+		}\
+\
+
+#endif
+
+/* No semi-colon after return; correct usage is to write "yyterminate();" -
+ * we don't want an extra ';' after the "return" because that will cause
+ * some compilers to complain about unreachable statements.
+ */
+#ifndef yyterminate
+#define yyterminate() return YY_NULL
+#endif
+
+/* Number of entries by which start-condition stack grows. */
+#ifndef YY_START_STACK_INCR
+#define YY_START_STACK_INCR 25
+#endif
+
+/* Report a fatal error. */
+#ifndef YY_FATAL_ERROR
+#define YY_FATAL_ERROR(msg) yy_fatal_error( msg )
+#endif
+
+/* end tables serialization structures and prototypes */
+
+/* Default declaration of generated scanner - a define so the user can
+ * easily add parameters.
+ */
+#ifndef YY_DECL
+#define YY_DECL_IS_OURS 1
+
+extern int yylex (void);
+
+#define YY_DECL int yylex (void)
+#endif /* !YY_DECL */
+
+/* Code executed at the beginning of each rule, after yytext and yyleng
+ * have been set up.
+ */
+#ifndef YY_USER_ACTION
+#define YY_USER_ACTION
+#endif
+
+/* Code executed at the end of each rule. */
+#ifndef YY_BREAK
+#define YY_BREAK /*LINTED*/break;
+#endif
+
+#define YY_RULE_SETUP \
+	if ( yyleng > 0 ) \
+		YY_CURRENT_BUFFER_LVALUE->yy_at_bol = \
+				(yytext[yyleng - 1] == '\n'); \
+	YY_USER_ACTION
+
+/** The main scanner function which does all the work.
+ */
+YY_DECL
+{
+	yy_state_type yy_current_state;
+	char *yy_cp, *yy_bp;
+	int yy_act;
+    
+	if ( !(yy_init) )
+		{
+		(yy_init) = 1;
+
+#ifdef YY_USER_INIT
+		YY_USER_INIT;
+#endif
+
+		if ( ! (yy_start) )
+			(yy_start) = 1;	/* first start state */
+
+		if ( ! yyin )
+			yyin = stdin;
+
+		if ( ! yyout )
+			yyout = stdout;
+
+		if ( ! YY_CURRENT_BUFFER ) {
+			yyensure_buffer_stack ();
+			YY_CURRENT_BUFFER_LVALUE =
+				yy_create_buffer( yyin, YY_BUF_SIZE );
+		}
+
+		yy_load_buffer_state(  );
+		}
+
+	{
+#line 146 "zsoelim.l"
+
+
+#line 1118 "zsoelim.c"
+
+	while ( /*CONSTCOND*/1 )		/* loops until end-of-file is reached */
+		{
+		yy_cp = (yy_c_buf_p);
+
+		/* Support of yytext. */
+		*yy_cp = (yy_hold_char);
+
+		/* yy_bp points to the position in yy_ch_buf of the start of
+		 * the current run.
+		 */
+		yy_bp = yy_cp;
+
+		yy_current_state = (yy_start);
+		yy_current_state += YY_AT_BOL();
+yy_match:
+		while ( (yy_current_state = yy_nxt[yy_current_state][ yy_ec[YY_SC_TO_UI(*yy_cp)]  ]) > 0 )
+			{
+			if ( yy_accept[yy_current_state] )
+				{
+				(yy_last_accepting_state) = yy_current_state;
+				(yy_last_accepting_cpos) = yy_cp;
+				}
+
+			++yy_cp;
+			}
+
+		yy_current_state = -yy_current_state;
+
+yy_find_action:
+		yy_act = yy_accept[yy_current_state];
+
+		YY_DO_BEFORE_ACTION;
+
+do_action:	/* This label is used only to access EOF actions. */
+
+		switch ( yy_act )
+	{ /* beginning of action switch */
+			case 0: /* must back up */
+			/* undo the effects of YY_DO_BEFORE_ACTION */
+			*yy_cp = (yy_hold_char);
+			yy_cp = (yy_last_accepting_cpos) + 1;
+			yy_current_state = (yy_last_accepting_state);
+			goto yy_find_action;
+
+case 1:
+YY_RULE_SETUP
+#line 148 "zsoelim.l"
+{
+			no_newline = true;
+			ECHO;
+			BEGIN (de);	/* Now we're inside of a macro definition: ends with a comment */
+		}
+	YY_BREAK
+case 2:
+YY_RULE_SETUP
+#line 154 "zsoelim.l"
+{
+			no_newline = true;
+			BEGIN (so);	/* Now we're in the .so environment */
+		}
+	YY_BREAK
+case 3:
+YY_RULE_SETUP
+#line 159 "zsoelim.l"
+{
+			no_newline = true;
+			ECHO;		/* Now we're in the .lf environment */
+			BEGIN (lfnumber);
+		}
+	YY_BREAK
+case 4:
+#line 166 "zsoelim.l"
+case 5:
+/* rule 5 can match eol */
+#line 167 "zsoelim.l"
+case 6:
+/* rule 6 can match eol */
+#line 168 "zsoelim.l"
+case 7:
+/* rule 7 can match eol */
+#line 169 "zsoelim.l"
+case 8:
+/* rule 8 can match eol */
+#line 170 "zsoelim.l"
+case 9:
+/* rule 9 can match eol */
+#line 171 "zsoelim.l"
+case 10:
+/* rule 10 can match eol */
+YY_RULE_SETUP
+#line 171 "zsoelim.l"
+{
+				no_newline = true;
+				ECHO;
+			}
+	YY_BREAK
+case 11:
+/* rule 11 can match eol */
+YY_RULE_SETUP
+#line 176 "zsoelim.l"
+{
+			no_newline = false;
+			putchar ('\n');
+			LINE++;
+		}
+	YY_BREAK
+case 12:
+YY_RULE_SETUP
+#line 183 "zsoelim.l"
+{ 	/* file names including whitespace ?  */
+			if (so_stack_ptr == MAX_SO_DEPTH - 1)
+				fatal (0,
+				       _("%s:%d: .so requests nested too "
+				         "deeply or are recursive"),
+				       NAME, LINE);
+
+			ZAP_QUOTES;
+			so_stack[so_stack_ptr++] = YY_CURRENT_BUFFER;
+			LINE = 1;
+
+			no_newline = false;
+
+			if (zsoelim_open_file (yytext, so_manpathlist,
+					       so_parent_path)) {
+				--so_stack_ptr;
+#ifndef __alpha
+				error (OK, 0,
+				       _("%s:%d: warning: failed .so request"),
+				       NAME, LINE);
+				printf (".so %s\n", yytext);
+#endif
+				BEGIN (end_request);
+			} else {
+				printf (".lf 1 %s\n", yytext);
+				yy_switch_to_buffer
+					(yy_create_buffer (yyin, YY_BUF_SIZE));
+				BEGIN (INITIAL);
+			}
+
+		}
+	YY_BREAK
+case 13:
+/* rule 13 can match eol */
+YY_RULE_SETUP
+#line 215 "zsoelim.l"
+{
+			no_newline = false;
+			BEGIN (INITIAL);
+		}
+	YY_BREAK
+case 14:
+/* rule 14 can match eol */
+YY_RULE_SETUP
+#line 220 "zsoelim.l"
+{
+			no_newline = false;
+			error (OK, 0,
+			       _("%s:%d: warning: newline in .so request, "
+			         "ignoring"),
+			       NAME, LINE);
+			putchar ('\n');
+			LINE++;
+			BEGIN (INITIAL);
+		}
+	YY_BREAK
+case 15:
+YY_RULE_SETUP
+#line 231 "zsoelim.l"
+{
+			no_newline = true;
+			ECHO;
+			BEGIN (INITIAL);
+		}
+	YY_BREAK
+case 16:
+YY_RULE_SETUP
+#line 237 "zsoelim.l"
+{
+			no_newline = true;
+			ECHO;
+		}
+	YY_BREAK
+case 17:
+/* rule 17 can match eol */
+YY_RULE_SETUP
+#line 242 "zsoelim.l"
+{
+			no_newline = false;
+			putchar ('\n');
+			LINE++;
+		}
+	YY_BREAK
+case 18:
+YY_RULE_SETUP
+#line 249 "zsoelim.l"
+{
+			no_newline = true;
+			ECHO;
+			ZAP_QUOTES;
+			LINE = atoi (yytext);
+			BEGIN (lfname);
+		}
+	YY_BREAK
+case 19:
+YY_RULE_SETUP
+#line 257 "zsoelim.l"
+{	/* file names including whitespace ?? */
+			no_newline = true;
+			ECHO;
+			putchar ('\n');
+			ZAP_QUOTES;
+			if (NAME)
+				free (NAME);
+			NAME = xstrdup (yytext);
+			BEGIN (end_request);
+		}
+	YY_BREAK
+case 20:
+YY_RULE_SETUP
+#line 268 "zsoelim.l"
+{
+			no_newline = true;
+			ECHO;
+		}
+	YY_BREAK
+case 21:
+/* rule 21 can match eol */
+YY_RULE_SETUP
+#line 273 "zsoelim.l"
+{
+			no_newline = false;
+			putchar ('\n');
+			LINE++;
+			BEGIN (INITIAL);
+		}
+	YY_BREAK
+case 22:
+YY_RULE_SETUP
+#line 280 "zsoelim.l"
+{
+			no_newline = true;
+			debug (
+			       "%s:%d: warning: unhandled .lf request; "
+			       "line numbers may be wrong\n",
+			       NAME, LINE);
+			putchar (*yytext);
+			BEGIN (INITIAL);
+		}
+	YY_BREAK
+case 23:
+/* rule 23 can match eol */
+YY_RULE_SETUP
+#line 290 "zsoelim.l"
+{
+			no_newline = false;
+			error (OK, 0,
+			       _("%s:%d: warning: newline in .lf request, "
+			         "ignoring"),
+			       NAME, LINE);
+			putchar ('\n');
+			LINE++;
+			BEGIN (INITIAL);
+		}
+	YY_BREAK
+case YY_STATE_EOF(INITIAL):
+case YY_STATE_EOF(so):
+case YY_STATE_EOF(de):
+case YY_STATE_EOF(end_request):
+case YY_STATE_EOF(lfnumber):
+case YY_STATE_EOF(lfname):
+#line 301 "zsoelim.l"
+{
+		decompress_wait (PIPE);
+		decompress_free (PIPE);
+		PIPE = NULL;
+		free (NAME);
+		NAME = NULL;
+
+		if (no_newline)
+			putchar ('\n');
+
+		if (--so_stack_ptr < 0) {
+			yyterminate ();
+		} else {
+			yy_delete_buffer (YY_CURRENT_BUFFER);
+			yy_switch_to_buffer (so_stack[so_stack_ptr]);
+			printf (".lf %d %s\n", LINE += 1, NAME);
+		}
+		no_newline = false;
+		BEGIN (end_request);
+	}
+	YY_BREAK
+case 24:
+YY_RULE_SETUP
+#line 321 "zsoelim.l"
+ECHO;
+	YY_BREAK
+#line 1417 "zsoelim.c"
+
+	case YY_END_OF_BUFFER:
+		{
+		/* Amount of text matched not including the EOB char. */
+		int yy_amount_of_matched_text = (int) (yy_cp - (yytext_ptr)) - 1;
+
+		/* Undo the effects of YY_DO_BEFORE_ACTION. */
+		*yy_cp = (yy_hold_char);
+		YY_RESTORE_YY_MORE_OFFSET
+
+		if ( YY_CURRENT_BUFFER_LVALUE->yy_buffer_status == YY_BUFFER_NEW )
+			{
+			/* We're scanning a new file or input source.  It's
+			 * possible that this happened because the user
+			 * just pointed yyin at a new source and called
+			 * yylex().  If so, then we have to assure
+			 * consistency between YY_CURRENT_BUFFER and our
+			 * globals.  Here is the right place to do so, because
+			 * this is the first action (other than possibly a
+			 * back-up) that will match for the new input source.
+			 */
+			(yy_n_chars) = YY_CURRENT_BUFFER_LVALUE->yy_n_chars;
+			YY_CURRENT_BUFFER_LVALUE->yy_input_file = yyin;
+			YY_CURRENT_BUFFER_LVALUE->yy_buffer_status = YY_BUFFER_NORMAL;
+			}
+
+		/* Note that here we test for yy_c_buf_p "<=" to the position
+		 * of the first EOB in the buffer, since yy_c_buf_p will
+		 * already have been incremented past the NUL character
+		 * (since all states make transitions on EOB to the
+		 * end-of-buffer state).  Contrast this with the test
+		 * in input().
+		 */
+		if ( (yy_c_buf_p) <= &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] )
+			{ /* This was really a NUL. */
+			yy_state_type yy_next_state;
+
+			(yy_c_buf_p) = (yytext_ptr) + yy_amount_of_matched_text;
+
+			yy_current_state = yy_get_previous_state(  );
+
+			/* Okay, we're now positioned to make the NUL
+			 * transition.  We couldn't have
+			 * yy_get_previous_state() go ahead and do it
+			 * for us because it doesn't know how to deal
+			 * with the possibility of jamming (and we don't
+			 * want to build jamming into it because then it
+			 * will run more slowly).
+			 */
+
+			yy_next_state = yy_try_NUL_trans( yy_current_state );
+
+			yy_bp = (yytext_ptr) + YY_MORE_ADJ;
+
+			if ( yy_next_state )
+				{
+				/* Consume the NUL. */
+				yy_cp = ++(yy_c_buf_p);
+				yy_current_state = yy_next_state;
+				goto yy_match;
+				}
+
+			else
+				{
+				yy_cp = (yy_c_buf_p);
+				goto yy_find_action;
+				}
+			}
+
+		else switch ( yy_get_next_buffer(  ) )
+			{
+			case EOB_ACT_END_OF_FILE:
+				{
+				(yy_did_buffer_switch_on_eof) = 0;
+
+				if ( yywrap(  ) )
+					{
+					/* Note: because we've taken care in
+					 * yy_get_next_buffer() to have set up
+					 * yytext, we can now set up
+					 * yy_c_buf_p so that if some total
+					 * hoser (like flex itself) wants to
+					 * call the scanner after we return the
+					 * YY_NULL, it'll still work - another
+					 * YY_NULL will get returned.
+					 */
+					(yy_c_buf_p) = (yytext_ptr) + YY_MORE_ADJ;
+
+					yy_act = YY_STATE_EOF(YY_START);
+					goto do_action;
+					}
+
+				else
+					{
+					if ( ! (yy_did_buffer_switch_on_eof) )
+						YY_NEW_FILE;
+					}
+				break;
+				}
+
+			case EOB_ACT_CONTINUE_SCAN:
+				(yy_c_buf_p) =
+					(yytext_ptr) + yy_amount_of_matched_text;
+
+				yy_current_state = yy_get_previous_state(  );
+
+				yy_cp = (yy_c_buf_p);
+				yy_bp = (yytext_ptr) + YY_MORE_ADJ;
+				goto yy_match;
+
+			case EOB_ACT_LAST_MATCH:
+				(yy_c_buf_p) =
+				&YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)];
+
+				yy_current_state = yy_get_previous_state(  );
+
+				yy_cp = (yy_c_buf_p);
+				yy_bp = (yytext_ptr) + YY_MORE_ADJ;
+				goto yy_find_action;
+			}
+		break;
+		}
+
+	default:
+		YY_FATAL_ERROR(
+			"fatal flex scanner internal error--no action found" );
+	} /* end of action switch */
+		} /* end of scanning one token */
+	} /* end of user's declarations */
+} /* end of yylex */
+
+/* yy_get_next_buffer - try to read in a new buffer
+ *
+ * Returns a code representing an action:
+ *	EOB_ACT_LAST_MATCH -
+ *	EOB_ACT_CONTINUE_SCAN - continue scanning from current position
+ *	EOB_ACT_END_OF_FILE - end of file
+ */
+static int yy_get_next_buffer (void)
+{
+    	char *dest = YY_CURRENT_BUFFER_LVALUE->yy_ch_buf;
+	char *source = (yytext_ptr);
+	int number_to_move, i;
+	int ret_val;
+
+	if ( (yy_c_buf_p) > &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars) + 1] )
+		YY_FATAL_ERROR(
+		"fatal flex scanner internal error--end of buffer missed" );
+
+	if ( YY_CURRENT_BUFFER_LVALUE->yy_fill_buffer == 0 )
+		{ /* Don't try to fill the buffer, so this is an EOF. */
+		if ( (yy_c_buf_p) - (yytext_ptr) - YY_MORE_ADJ == 1 )
+			{
+			/* We matched a single character, the EOB, so
+			 * treat this as a final EOF.
+			 */
+			return EOB_ACT_END_OF_FILE;
+			}
+
+		else
+			{
+			/* We matched some text prior to the EOB, first
+			 * process it.
+			 */
+			return EOB_ACT_LAST_MATCH;
+			}
+		}
+
+	/* Try to read more data. */
+
+	/* First move last chars to start of buffer. */
+	number_to_move = (int) ((yy_c_buf_p) - (yytext_ptr) - 1);
+
+	for ( i = 0; i < number_to_move; ++i )
+		*(dest++) = *(source++);
+
+	if ( YY_CURRENT_BUFFER_LVALUE->yy_buffer_status == YY_BUFFER_EOF_PENDING )
+		/* don't do the read, it's not guaranteed to return an EOF,
+		 * just force an EOF
+		 */
+		YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars) = 0;
+
+	else
+		{
+			int num_to_read =
+			YY_CURRENT_BUFFER_LVALUE->yy_buf_size - number_to_move - 1;
+
+		while ( num_to_read <= 0 )
+			{ /* Not enough room in the buffer - grow it. */
+
+			/* just a shorter name for the current buffer */
+			YY_BUFFER_STATE b = YY_CURRENT_BUFFER_LVALUE;
+
+			int yy_c_buf_p_offset =
+				(int) ((yy_c_buf_p) - b->yy_ch_buf);
+
+			if ( b->yy_is_our_buffer )
+				{
+				int new_size = b->yy_buf_size * 2;
+
+				if ( new_size <= 0 )
+					b->yy_buf_size += b->yy_buf_size / 8;
+				else
+					b->yy_buf_size *= 2;
+
+				b->yy_ch_buf = (char *)
+					/* Include room in for 2 EOB chars. */
+					yyrealloc( (void *) b->yy_ch_buf,
+							 (yy_size_t) (b->yy_buf_size + 2)  );
+				}
+			else
+				/* Can't grow it, we don't own it. */
+				b->yy_ch_buf = NULL;
+
+			if ( ! b->yy_ch_buf )
+				YY_FATAL_ERROR(
+				"fatal error - scanner input buffer overflow" );
+
+			(yy_c_buf_p) = &b->yy_ch_buf[yy_c_buf_p_offset];
+
+			num_to_read = YY_CURRENT_BUFFER_LVALUE->yy_buf_size -
+						number_to_move - 1;
+
+			}
+
+		if ( num_to_read > YY_READ_BUF_SIZE )
+			num_to_read = YY_READ_BUF_SIZE;
+
+		/* Read in more data. */
+		YY_INPUT( (&YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[number_to_move]),
+			(yy_n_chars), num_to_read );
+
+		YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars);
+		}
+
+	if ( (yy_n_chars) == 0 )
+		{
+		if ( number_to_move == YY_MORE_ADJ )
+			{
+			ret_val = EOB_ACT_END_OF_FILE;
+			yyrestart( yyin  );
+			}
+
+		else
+			{
+			ret_val = EOB_ACT_LAST_MATCH;
+			YY_CURRENT_BUFFER_LVALUE->yy_buffer_status =
+				YY_BUFFER_EOF_PENDING;
+			}
+		}
+
+	else
+		ret_val = EOB_ACT_CONTINUE_SCAN;
+
+	if (((yy_n_chars) + number_to_move) > YY_CURRENT_BUFFER_LVALUE->yy_buf_size) {
+		/* Extend the array by 50%, plus the number we really need. */
+		int new_size = (yy_n_chars) + number_to_move + ((yy_n_chars) >> 1);
+		YY_CURRENT_BUFFER_LVALUE->yy_ch_buf = (char *) yyrealloc(
+			(void *) YY_CURRENT_BUFFER_LVALUE->yy_ch_buf, (yy_size_t) new_size  );
+		if ( ! YY_CURRENT_BUFFER_LVALUE->yy_ch_buf )
+			YY_FATAL_ERROR( "out of dynamic memory in yy_get_next_buffer()" );
+		/* "- 2" to take care of EOB's */
+		YY_CURRENT_BUFFER_LVALUE->yy_buf_size = (int) (new_size - 2);
+	}
+
+	(yy_n_chars) += number_to_move;
+	YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] = YY_END_OF_BUFFER_CHAR;
+	YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars) + 1] = YY_END_OF_BUFFER_CHAR;
+
+	(yytext_ptr) = &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[0];
+
+	return ret_val;
+}
+
+/* yy_get_previous_state - get the state just before the EOB char was reached */
+
+    static yy_state_type yy_get_previous_state (void)
+{
+	yy_state_type yy_current_state;
+	char *yy_cp;
+    
+	yy_current_state = (yy_start);
+	yy_current_state += YY_AT_BOL();
+
+	for ( yy_cp = (yytext_ptr) + YY_MORE_ADJ; yy_cp < (yy_c_buf_p); ++yy_cp )
+		{
+		yy_current_state = yy_nxt[yy_current_state][(*yy_cp ? yy_ec[YY_SC_TO_UI(*yy_cp)] : 1)];
+		if ( yy_accept[yy_current_state] )
+			{
+			(yy_last_accepting_state) = yy_current_state;
+			(yy_last_accepting_cpos) = yy_cp;
+			}
+		}
+
+	return yy_current_state;
+}
+
+/* yy_try_NUL_trans - try to make a transition on the NUL character
+ *
+ * synopsis
+ *	next_state = yy_try_NUL_trans( current_state );
+ */
+    static yy_state_type yy_try_NUL_trans  (yy_state_type yy_current_state )
+{
+	int yy_is_jam;
+    	char *yy_cp = (yy_c_buf_p);
+
+	yy_current_state = yy_nxt[yy_current_state][1];
+	yy_is_jam = (yy_current_state <= 0);
+
+	if ( ! yy_is_jam )
+		{
+		if ( yy_accept[yy_current_state] )
+			{
+			(yy_last_accepting_state) = yy_current_state;
+			(yy_last_accepting_cpos) = yy_cp;
+			}
+		}
+
+		return yy_is_jam ? 0 : yy_current_state;
+}
+
+#ifndef YY_NO_UNPUT
+
+#endif
+
+#ifndef YY_NO_INPUT
+#ifdef __cplusplus
+    static int yyinput (void)
+#else
+    static int input  (void)
+#endif
+
+{
+	int c;
+    
+	*(yy_c_buf_p) = (yy_hold_char);
+
+	if ( *(yy_c_buf_p) == YY_END_OF_BUFFER_CHAR )
+		{
+		/* yy_c_buf_p now points to the character we want to return.
+		 * If this occurs *before* the EOB characters, then it's a
+		 * valid NUL; if not, then we've hit the end of the buffer.
+		 */
+		if ( (yy_c_buf_p) < &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] )
+			/* This was really a NUL. */
+			*(yy_c_buf_p) = '\0';
+
+		else
+			{ /* need more input */
+			int offset = (int) ((yy_c_buf_p) - (yytext_ptr));
+			++(yy_c_buf_p);
+
+			switch ( yy_get_next_buffer(  ) )
+				{
+				case EOB_ACT_LAST_MATCH:
+					/* This happens because yy_g_n_b()
+					 * sees that we've accumulated a
+					 * token and flags that we need to
+					 * try matching the token before
+					 * proceeding.  But for input(),
+					 * there's no matching to consider.
+					 * So convert the EOB_ACT_LAST_MATCH
+					 * to EOB_ACT_END_OF_FILE.
+					 */
+
+					/* Reset buffer status. */
+					yyrestart( yyin );
+
+					/*FALLTHROUGH*/
+
+				case EOB_ACT_END_OF_FILE:
+					{
+					if ( yywrap(  ) )
+						return 0;
+
+					if ( ! (yy_did_buffer_switch_on_eof) )
+						YY_NEW_FILE;
+#ifdef __cplusplus
+					return yyinput();
+#else
+					return input();
+#endif
+					}
+
+				case EOB_ACT_CONTINUE_SCAN:
+					(yy_c_buf_p) = (yytext_ptr) + offset;
+					break;
+				}
+			}
+		}
+
+	c = *(unsigned char *) (yy_c_buf_p);	/* cast for 8-bit char's */
+	*(yy_c_buf_p) = '\0';	/* preserve yytext */
+	(yy_hold_char) = *++(yy_c_buf_p);
+
+	YY_CURRENT_BUFFER_LVALUE->yy_at_bol = (c == '\n');
+
+	return c;
+}
+#endif	/* ifndef YY_NO_INPUT */
+
+/** Immediately switch to a different input stream.
+ * @param input_file A readable stream.
+ * 
+ * @note This function does not reset the start condition to @c INITIAL .
+ */
+    void yyrestart  (FILE * input_file )
+{
+    
+	if ( ! YY_CURRENT_BUFFER ){
+        yyensure_buffer_stack ();
+		YY_CURRENT_BUFFER_LVALUE =
+            yy_create_buffer( yyin, YY_BUF_SIZE );
+	}
+
+	yy_init_buffer( YY_CURRENT_BUFFER, input_file );
+	yy_load_buffer_state(  );
+}
+
+/** Switch to a different input buffer.
+ * @param new_buffer The new input buffer.
+ * 
+ */
+    void yy_switch_to_buffer  (YY_BUFFER_STATE  new_buffer )
+{
+    
+	/* TODO. We should be able to replace this entire function body
+	 * with
+	 *		yypop_buffer_state();
+	 *		yypush_buffer_state(new_buffer);
+     */
+	yyensure_buffer_stack ();
+	if ( YY_CURRENT_BUFFER == new_buffer )
+		return;
+
+	if ( YY_CURRENT_BUFFER )
+		{
+		/* Flush out information for old buffer. */
+		*(yy_c_buf_p) = (yy_hold_char);
+		YY_CURRENT_BUFFER_LVALUE->yy_buf_pos = (yy_c_buf_p);
+		YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars);
+		}
+
+	YY_CURRENT_BUFFER_LVALUE = new_buffer;
+	yy_load_buffer_state(  );
+
+	/* We don't actually know whether we did this switch during
+	 * EOF (yywrap()) processing, but the only time this flag
+	 * is looked at is after yywrap() is called, so it's safe
+	 * to go ahead and always set it.
+	 */
+	(yy_did_buffer_switch_on_eof) = 1;
+}
+
+static void yy_load_buffer_state  (void)
+{
+    	(yy_n_chars) = YY_CURRENT_BUFFER_LVALUE->yy_n_chars;
+	(yytext_ptr) = (yy_c_buf_p) = YY_CURRENT_BUFFER_LVALUE->yy_buf_pos;
+	yyin = YY_CURRENT_BUFFER_LVALUE->yy_input_file;
+	(yy_hold_char) = *(yy_c_buf_p);
+}
+
+/** Allocate and initialize an input buffer state.
+ * @param file A readable stream.
+ * @param size The character buffer size in bytes. When in doubt, use @c YY_BUF_SIZE.
+ * 
+ * @return the allocated buffer state.
+ */
+    YY_BUFFER_STATE yy_create_buffer  (FILE * file, int  size )
+{
+	YY_BUFFER_STATE b;
+    
+	b = (YY_BUFFER_STATE) yyalloc( sizeof( struct yy_buffer_state )  );
+	if ( ! b )
+		YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" );
+
+	b->yy_buf_size = size;
+
+	/* yy_ch_buf has to be 2 characters longer than the size given because
+	 * we need to put in 2 end-of-buffer characters.
+	 */
+	b->yy_ch_buf = (char *) yyalloc( (yy_size_t) (b->yy_buf_size + 2)  );
+	if ( ! b->yy_ch_buf )
+		YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" );
+
+	b->yy_is_our_buffer = 1;
+
+	yy_init_buffer( b, file );
+
+	return b;
+}
+
+/** Destroy the buffer.
+ * @param b a buffer created with yy_create_buffer()
+ * 
+ */
+    void yy_delete_buffer (YY_BUFFER_STATE  b )
+{
+    
+	if ( ! b )
+		return;
+
+	if ( b == YY_CURRENT_BUFFER ) /* Not sure if we should pop here. */
+		YY_CURRENT_BUFFER_LVALUE = (YY_BUFFER_STATE) 0;
+
+	if ( b->yy_is_our_buffer )
+		yyfree( (void *) b->yy_ch_buf  );
+
+	yyfree( (void *) b  );
+}
+
+/* Initializes or reinitializes a buffer.
+ * This function is sometimes called more than once on the same buffer,
+ * such as during a yyrestart() or at EOF.
+ */
+    static void yy_init_buffer  (YY_BUFFER_STATE  b, FILE * file )
+
+{
+	int oerrno = errno;
+    
+	yy_flush_buffer( b );
+
+	b->yy_input_file = file;
+	b->yy_fill_buffer = 1;
+
+    /* If b is the current buffer, then yy_init_buffer was _probably_
+     * called from yyrestart() or through yy_get_next_buffer.
+     * In that case, we don't want to reset the lineno or column.
+     */
+    if (b != YY_CURRENT_BUFFER){
+        b->yy_bs_lineno = 1;
+        b->yy_bs_column = 0;
+    }
+
+        b->yy_is_interactive = 0;
+    
+	errno = oerrno;
+}
+
+/** Discard all buffered characters. On the next scan, YY_INPUT will be called.
+ * @param b the buffer state to be flushed, usually @c YY_CURRENT_BUFFER.
+ * 
+ */
+    void yy_flush_buffer (YY_BUFFER_STATE  b )
+{
+    	if ( ! b )
+		return;
+
+	b->yy_n_chars = 0;
+
+	/* We always need two end-of-buffer characters.  The first causes
+	 * a transition to the end-of-buffer state.  The second causes
+	 * a jam in that state.
+	 */
+	b->yy_ch_buf[0] = YY_END_OF_BUFFER_CHAR;
+	b->yy_ch_buf[1] = YY_END_OF_BUFFER_CHAR;
+
+	b->yy_buf_pos = &b->yy_ch_buf[0];
+
+	b->yy_at_bol = 1;
+	b->yy_buffer_status = YY_BUFFER_NEW;
+
+	if ( b == YY_CURRENT_BUFFER )
+		yy_load_buffer_state(  );
+}
+
+/** Pushes the new state onto the stack. The new state becomes
+ *  the current state. This function will allocate the stack
+ *  if necessary.
+ *  @param new_buffer The new state.
+ *  
+ */
+void yypush_buffer_state (YY_BUFFER_STATE new_buffer )
+{
+    	if (new_buffer == NULL)
+		return;
+
+	yyensure_buffer_stack();
+
+	/* This block is copied from yy_switch_to_buffer. */
+	if ( YY_CURRENT_BUFFER )
+		{
+		/* Flush out information for old buffer. */
+		*(yy_c_buf_p) = (yy_hold_char);
+		YY_CURRENT_BUFFER_LVALUE->yy_buf_pos = (yy_c_buf_p);
+		YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars);
+		}
+
+	/* Only push if top exists. Otherwise, replace top. */
+	if (YY_CURRENT_BUFFER)
+		(yy_buffer_stack_top)++;
+	YY_CURRENT_BUFFER_LVALUE = new_buffer;
+
+	/* copied from yy_switch_to_buffer. */
+	yy_load_buffer_state(  );
+	(yy_did_buffer_switch_on_eof) = 1;
+}
+
+/** Removes and deletes the top of the stack, if present.
+ *  The next element becomes the new top.
+ *  
+ */
+void yypop_buffer_state (void)
+{
+    	if (!YY_CURRENT_BUFFER)
+		return;
+
+	yy_delete_buffer(YY_CURRENT_BUFFER );
+	YY_CURRENT_BUFFER_LVALUE = NULL;
+	if ((yy_buffer_stack_top) > 0)
+		--(yy_buffer_stack_top);
+
+	if (YY_CURRENT_BUFFER) {
+		yy_load_buffer_state(  );
+		(yy_did_buffer_switch_on_eof) = 1;
+	}
+}
+
+/* Allocates the stack if it does not exist.
+ *  Guarantees space for at least one push.
+ */
+static void yyensure_buffer_stack (void)
+{
+	yy_size_t num_to_alloc;
+    
+	if (!(yy_buffer_stack)) {
+
+		/* First allocation is just for 2 elements, since we don't know if this
+		 * scanner will even need a stack. We use 2 instead of 1 to avoid an
+		 * immediate realloc on the next call.
+         */
+      num_to_alloc = 1; /* After all that talk, this was set to 1 anyways... */
+		(yy_buffer_stack) = (struct yy_buffer_state**)yyalloc
+								(num_to_alloc * sizeof(struct yy_buffer_state*)
+								);
+		if ( ! (yy_buffer_stack) )
+			YY_FATAL_ERROR( "out of dynamic memory in yyensure_buffer_stack()" );
+
+		memset((yy_buffer_stack), 0, num_to_alloc * sizeof(struct yy_buffer_state*));
+
+		(yy_buffer_stack_max) = num_to_alloc;
+		(yy_buffer_stack_top) = 0;
+		return;
+	}
+
+	if ((yy_buffer_stack_top) >= ((yy_buffer_stack_max)) - 1){
+
+		/* Increase the buffer to prepare for a possible push. */
+		yy_size_t grow_size = 8 /* arbitrary grow size */;
+
+		num_to_alloc = (yy_buffer_stack_max) + grow_size;
+		(yy_buffer_stack) = (struct yy_buffer_state**)yyrealloc
+								((yy_buffer_stack),
+								num_to_alloc * sizeof(struct yy_buffer_state*)
+								);
+		if ( ! (yy_buffer_stack) )
+			YY_FATAL_ERROR( "out of dynamic memory in yyensure_buffer_stack()" );
+
+		/* zero only the new slots.*/
+		memset((yy_buffer_stack) + (yy_buffer_stack_max), 0, grow_size * sizeof(struct yy_buffer_state*));
+		(yy_buffer_stack_max) = num_to_alloc;
+	}
+}
+
+/** Setup the input buffer state to scan directly from a user-specified character buffer.
+ * @param base the character buffer
+ * @param size the size in bytes of the character buffer
+ * 
+ * @return the newly allocated buffer state object.
+ */
+YY_BUFFER_STATE yy_scan_buffer  (char * base, yy_size_t  size )
+{
+	YY_BUFFER_STATE b;
+    
+	if ( size < 2 ||
+	     base[size-2] != YY_END_OF_BUFFER_CHAR ||
+	     base[size-1] != YY_END_OF_BUFFER_CHAR )
+		/* They forgot to leave room for the EOB's. */
+		return NULL;
+
+	b = (YY_BUFFER_STATE) yyalloc( sizeof( struct yy_buffer_state )  );
+	if ( ! b )
+		YY_FATAL_ERROR( "out of dynamic memory in yy_scan_buffer()" );
+
+	b->yy_buf_size = (int) (size - 2);	/* "- 2" to take care of EOB's */
+	b->yy_buf_pos = b->yy_ch_buf = base;
+	b->yy_is_our_buffer = 0;
+	b->yy_input_file = NULL;
+	b->yy_n_chars = b->yy_buf_size;
+	b->yy_is_interactive = 0;
+	b->yy_at_bol = 1;
+	b->yy_fill_buffer = 0;
+	b->yy_buffer_status = YY_BUFFER_NEW;
+
+	yy_switch_to_buffer( b  );
+
+	return b;
+}
+
+/** Setup the input buffer state to scan a string. The next call to yylex() will
+ * scan from a @e copy of @a str.
+ * @param yystr a NUL-terminated string to scan
+ * 
+ * @return the newly allocated buffer state object.
+ * @note If you want to scan bytes that may contain NUL values, then use
+ *       yy_scan_bytes() instead.
+ */
+YY_BUFFER_STATE yy_scan_string (const char * yystr )
+{
+    
+	return yy_scan_bytes( yystr, (int) strlen(yystr) );
+}
+
+/** Setup the input buffer state to scan the given bytes. The next call to yylex() will
+ * scan from a @e copy of @a bytes.
+ * @param yybytes the byte buffer to scan
+ * @param _yybytes_len the number of bytes in the buffer pointed to by @a bytes.
+ * 
+ * @return the newly allocated buffer state object.
+ */
+YY_BUFFER_STATE yy_scan_bytes  (const char * yybytes, int  _yybytes_len )
+{
+	YY_BUFFER_STATE b;
+	char *buf;
+	yy_size_t n;
+	int i;
+    
+	/* Get memory for full buffer, including space for trailing EOB's. */
+	n = (yy_size_t) (_yybytes_len + 2);
+	buf = (char *) yyalloc( n  );
+	if ( ! buf )
+		YY_FATAL_ERROR( "out of dynamic memory in yy_scan_bytes()" );
+
+	for ( i = 0; i < _yybytes_len; ++i )
+		buf[i] = yybytes[i];
+
+	buf[_yybytes_len] = buf[_yybytes_len+1] = YY_END_OF_BUFFER_CHAR;
+
+	b = yy_scan_buffer( buf, n );
+	if ( ! b )
+		YY_FATAL_ERROR( "bad buffer in yy_scan_bytes()" );
+
+	/* It's okay to grow etc. this buffer, and we should throw it
+	 * away when we're done.
+	 */
+	b->yy_is_our_buffer = 1;
+
+	return b;
+}
+
+#ifndef YY_EXIT_FAILURE
+#define YY_EXIT_FAILURE 2
+#endif
+
+static void yynoreturn yy_fatal_error (const char* msg )
+{
+			fprintf( stderr, "%s\n", msg );
+	exit( YY_EXIT_FAILURE );
+}
+
+/* Redefine yyless() so it works in section 3 code. */
+
+#undef yyless
+#define yyless(n) \
+	do \
+		{ \
+		/* Undo effects of setting up yytext. */ \
+        int yyless_macro_arg = (n); \
+        YY_LESS_LINENO(yyless_macro_arg);\
+		yytext[yyleng] = (yy_hold_char); \
+		(yy_c_buf_p) = yytext + yyless_macro_arg; \
+		(yy_hold_char) = *(yy_c_buf_p); \
+		*(yy_c_buf_p) = '\0'; \
+		yyleng = yyless_macro_arg; \
+		} \
+	while ( 0 )
+
+/* Accessor  methods (get/set functions) to struct members. */
+
+/** Get the current line number.
+ * 
+ */
+int yyget_lineno  (void)
+{
+    
+    return yylineno;
+}
+
+/** Get the input stream.
+ * 
+ */
+FILE *yyget_in  (void)
+{
+        return yyin;
+}
+
+/** Get the output stream.
+ * 
+ */
+FILE *yyget_out  (void)
+{
+        return yyout;
+}
+
+/** Get the length of the current token.
+ * 
+ */
+int yyget_leng  (void)
+{
+        return yyleng;
+}
+
+/** Get the current token.
+ * 
+ */
+
+char *yyget_text  (void)
+{
+        return yytext;
+}
+
+/** Set the current line number.
+ * @param _line_number line number
+ * 
+ */
+void yyset_lineno (int  _line_number )
+{
+    
+    yylineno = _line_number;
+}
+
+/** Set the input stream. This does not discard the current
+ * input buffer.
+ * @param _in_str A readable stream.
+ * 
+ * @see yy_switch_to_buffer
+ */
+void yyset_in (FILE *  _in_str )
+{
+        yyin = _in_str ;
+}
+
+void yyset_out (FILE *  _out_str )
+{
+        yyout = _out_str ;
+}
+
+int yyget_debug  (void)
+{
+        return yy_flex_debug;
+}
+
+void yyset_debug (int  _bdebug )
+{
+        yy_flex_debug = _bdebug ;
+}
+
+static int yy_init_globals (void)
+{
+        /* Initialization is the same as for the non-reentrant scanner.
+     * This function is called from yylex_destroy(), so don't allocate here.
+     */
+
+    (yy_buffer_stack) = NULL;
+    (yy_buffer_stack_top) = 0;
+    (yy_buffer_stack_max) = 0;
+    (yy_c_buf_p) = NULL;
+    (yy_init) = 0;
+    (yy_start) = 0;
+
+/* Defined in main.c */
+#ifdef YY_STDINIT
+    yyin = stdin;
+    yyout = stdout;
+#else
+    yyin = NULL;
+    yyout = NULL;
+#endif
+
+    /* For future reference: Set errno on error, since we are called by
+     * yylex_init()
+     */
+    return 0;
+}
+
+/* yylex_destroy is for both reentrant and non-reentrant scanners. */
+int yylex_destroy  (void)
+{
+    
+    /* Pop the buffer stack, destroying each element. */
+	while(YY_CURRENT_BUFFER){
+		yy_delete_buffer( YY_CURRENT_BUFFER  );
+		YY_CURRENT_BUFFER_LVALUE = NULL;
+		yypop_buffer_state();
+	}
+
+	/* Destroy the stack itself. */
+	yyfree((yy_buffer_stack) );
+	(yy_buffer_stack) = NULL;
+
+    /* Reset the globals. This is important in a non-reentrant scanner so the next time
+     * yylex() is called, initialization will occur. */
+    yy_init_globals( );
+
+    return 0;
+}
+
+/*
+ * Internal utility routines.
+ */
+
+#ifndef yytext_ptr
+static void yy_flex_strncpy (char* s1, const char * s2, int n )
+{
+		
+	int i;
+	for ( i = 0; i < n; ++i )
+		s1[i] = s2[i];
+}
+#endif
+
+#ifdef YY_NEED_STRLEN
+static int yy_flex_strlen (const char * s )
+{
+	int n;
+	for ( n = 0; s[n]; ++n )
+		;
+
+	return n;
+}
+#endif
+
+void *yyalloc (yy_size_t  size )
+{
+			return malloc(size);
+}
+
+void *yyrealloc  (void * ptr, yy_size_t  size )
+{
+		
+	/* The cast to (char *) in the following accommodates both
+	 * implementations that use char* generic pointers, and those
+	 * that use void* generic pointers.  It works with the latter
+	 * because both ANSI C and C++ allow castless assignment from
+	 * any pointer type to void*, and deal with argument conversions
+	 * as though doing an assignment.
+	 */
+	return realloc(ptr, size);
+}
+
+void yyfree (void * ptr )
+{
+			free( (char *) ptr );	/* see yyrealloc() for (char *) cast */
+}
+
+#define YYTABLES_NAME "yytables"
+
+#line 321 "zsoelim.l"
+
+
+#ifdef ACCEPT_QUOTES
+/* remove leading and trailing quotes in requests */
+static void zap_quotes (void)
+{
+	if (*yytext == '"') {
+		if (yytext[yyleng - 1] == '"') {
+			yytext[yyleng - 1] = '\0';
+			yytext++;
+		} else
+			error (OK, 0,
+			       _("%s:%d: unterminated quote in roff request"),
+			       NAME, LINE);
+	}
+}
+#endif
+
+/* initialise the stack and call the parser */
+void zsoelim_parse_file (gl_list_t manpathlist, const char *parent_path)
+{
+	const char *line;
+	int linenum = 1;
+
+	so_stack_ptr = 0;
+	so_manpathlist = manpathlist;
+	so_parent_path = parent_path;
+
+	/* Skip over the first line if it's something that manconv might
+	 * need to know about.
+	 */
+	line = decompress_peekline ((decompress *) yyin);
+	if (line &&
+	    (STRNEQ (line, PP_COOKIE, 4) || STRNEQ (line, ".\\\" ", 4))) {
+		fputs (line, stdout);
+		decompress_peek_skip ((decompress *) yyin, strlen (line));
+		++linenum;
+	}
+
+	printf (".lf %d %s\n", linenum, NAME);
+	LINE = 1;
+	yylex ();
+}
+
+static decompress *try_compressed (char **filename)
+{
+	struct compression *comp;
+	size_t len = strlen (*filename);
+	decompress *decomp;
+
+	/* Try the uncompressed name first. */
+	(*filename)[len - 1] = '\0';
+	debug ("trying %s\n", *filename);
+	decomp = decompress_open (*filename, DECOMPRESS_ALLOW_INPROCESS);
+	if (decomp)
+		return decomp;
+	(*filename)[len - 1] = '.';
+
+	for (comp = comp_list; comp->ext; ++comp) {
+		*filename = appendstr (*filename, comp->ext, NULL);
+		debug ("trying %s\n", *filename);
+		decomp = decompress_open (*filename,
+					  DECOMPRESS_ALLOW_INPROCESS);
+		if (decomp)
+			return decomp;
+		(*filename)[len] = '\0';
+	}
+
+	return NULL;
+}
+
+/* This routine is used to open the specified file or uncompress a compressed
+   version and open that instead */
+bool zsoelim_open_file (const char *filename, gl_list_t manpathlist,
+			const char *parent_path)
+{
+	decompress *decomp = NULL;
+
+	if (parent_path)
+		debug ("opening %s (parent path: %s)\n",
+		       filename, parent_path);
+	else
+		debug ("opening %s\n", filename);
+
+	if (strcmp (filename, "-") == 0) {
+		decomp = decompress_fdopen (dup (STDIN_FILENO));
+		NAME = xstrdup (filename);
+	} else {
+		char *compfile;
+		const char *mp;
+
+		/* If there is no parent path, try opening directly first. */
+		if (!parent_path) {
+			compfile = xasprintf ("%s.", filename);
+			assert (compfile);
+
+			decomp = try_compressed (&compfile);
+			if (decomp) {
+				NAME = compfile;
+				goto out;
+			} else
+				free (compfile);
+		}
+
+		if (strchr (filename, '/')) {
+			/* File name with a directory part.  Try looking it
+			 * up within each manpath entry.
+			 */
+			if (parent_path) {
+				compfile = xasprintf ("%s/%s.", parent_path,
+						      filename);
+				assert (compfile);
+
+				decomp = try_compressed (&compfile);
+				if (decomp) {
+					NAME = compfile;
+					goto out;
+				}
+
+				free (compfile);
+			}
+
+			GL_LIST_FOREACH (manpathlist, mp) {
+				if (parent_path && STREQ (mp, parent_path))
+					continue;
+
+				compfile = xasprintf ("%s/%s.", mp, filename);
+				assert (compfile);
+
+				decomp = try_compressed (&compfile);
+				if (decomp) {
+					NAME = compfile;
+					goto out;
+				}
+
+				free (compfile);
+			}
+		} else {
+			/* File name with no directory part.  Try searching
+			 * the manpath.
+			 */
+			char *name, *sec, *dot;
+			gl_list_t names;
+			const char *found_name;
+
+			name = xstrdup (filename);
+			dot = strchr (name, '.');
+			if (!dot) {
+				free (name);
+				goto out;
+			}
+			*dot++ = '\0';
+			sec = dot;
+			dot = strchr (dot, '.');
+			if (dot)
+				*dot = '\0';
+
+			if (parent_path) {
+				names = look_for_file (parent_path, sec, name,
+						       false, LFF_MATCHCASE);
+				GL_LIST_FOREACH (names, found_name) {
+					decomp = decompress_open
+						(found_name,
+						 DECOMPRESS_ALLOW_INPROCESS);
+					if (decomp) {
+						NAME = xstrdup (found_name);
+						gl_list_free (names);
+						goto out;
+					}
+				}
+				gl_list_free (names);
+			}
+
+			GL_LIST_FOREACH (manpathlist, mp) {
+				if (parent_path && STREQ (mp, parent_path))
+					continue;
+
+				names = look_for_file (mp, sec, name,
+						       false, LFF_MATCHCASE);
+				GL_LIST_FOREACH (names, found_name) {
+					decomp = decompress_open
+						(found_name,
+						 DECOMPRESS_ALLOW_INPROCESS);
+					if (decomp) {
+						NAME = xstrdup (found_name);
+						gl_list_free (names);
+						free (name);
+						goto out;
+					}
+				}
+				gl_list_free (names);
+			}
+
+			free (name);
+		}
+
+		/* If there is a parent path, try opening directly last. */
+		if (parent_path) {
+			compfile = xasprintf ("%s.", filename);
+			assert (compfile);
+
+			decomp = try_compressed (&compfile);
+			if (decomp) {
+				NAME = compfile;
+				goto out;
+			} else
+				free (compfile);
+		}
+
+out:
+		if (!decomp) {
+			error (0, errno, _("can't open %s"), filename);
+			return true;
+		}
+	}
+
+	debug ("opened %s\n", NAME);
+
+	decompress_start (decomp);
+	PIPE = decomp;
+	/* only used by YY_INPUT, which casts it back to 'decompress *' */
+	yyin = (FILE *) decomp;
+
+	return false;
+}
+
+void zsoelim_stdin (void *data)
+{
+	struct zsoelim_stdin_data *zsoelim_data = data;
+	gl_list_t empty;
+
+	empty = gl_list_create_empty (GL_LINKEDHASH_LIST, NULL, NULL, NULL,
+				      true);
+	zsoelim_open_file ("-", empty, zsoelim_data->path);
+	gl_list_free (empty);
+	zsoelim_parse_file (zsoelim_data->manpathlist, zsoelim_data->path);
+}
+
+struct zsoelim_stdin_data *zsoelim_stdin_data_new (const char *path,
+						   gl_list_t manpathlist)
+{
+	struct zsoelim_stdin_data *data = XMALLOC (struct zsoelim_stdin_data);
+
+	data->path = path ? xstrdup (path) : NULL;
+	data->manpathlist = manpathlist;
+
+	return data;
+}
+
+void zsoelim_stdin_data_free (void *data)
+{
+	struct zsoelim_stdin_data *zsoelim_data = data;
+
+	free (zsoelim_data->path);
+	free (zsoelim_data);
+}
+
diff --git a/src/zsoelim.h b/src/zsoelim.h
new file mode 100644
index 0000000..901732d
--- /dev/null
+++ b/src/zsoelim.h
@@ -0,0 +1,36 @@
+/*
+ * zsoelim.h: interface to eliminating .so includes within *roff source
+ *
+ * Copyright (C) 2008 Colin Watson.
+ *
+ * This file is part of man-db.
+ *
+ * man-db is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * man-db is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with man-db; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+
+#include <stdbool.h>
+
+#include "gl_list.h"
+
+bool zsoelim_open_file (const char *filename, gl_list_t manpathlist,
+			const char *parent_path);
+void zsoelim_parse_file (gl_list_t manpathlist, const char *parent_path);
+
+struct zsoelim_stdin_data;
+
+void zsoelim_stdin (void *data);
+struct zsoelim_stdin_data *zsoelim_stdin_data_new (const char *path,
+						   gl_list_t manpathlist);
+void zsoelim_stdin_data_free (void *data);
diff --git a/src/zsoelim.l b/src/zsoelim.l
new file mode 100644
index 0000000..8470b34
--- /dev/null
+++ b/src/zsoelim.l
@@ -0,0 +1,576 @@
+%top{
+#ifdef HAVE_CONFIG_H
+#  include "config.h"
+#endif /* HAVE_CONFIG_H */
+
+#include "manconfig.h"
+
+/* Flex emits several functions which might reasonably have various
+ * attributes applied and many unused macros; none of these are our problem.
+ */
+#if GNUC_PREREQ(8,0)
+#  pragma GCC diagnostic ignored "-Wsuggest-attribute=malloc"
+#endif
+#pragma GCC diagnostic ignored "-Wsuggest-attribute=pure"
+#pragma GCC diagnostic ignored "-Wunused-macros"
+}
+
+%{
+
+/*
+ * zsoelim.l: eliminate .so includes within *roff source
+ *
+ * Copyright (C) 1994, 1995 Graeme W. Wilford. (Wilf.)
+ * Copyright (C) 1997 Fabrizio Polacco.
+ * Copyright (C) 2001, 2002, 2003, 2004, 2006, 2007, 2008, 2009, 2010, 2011
+ *               Colin Watson.
+ *
+ * This file is part of man-db.
+ *
+ * man-db is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * man-db is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with man-db; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ * Added functionality over gsoelim to allow for compressed .so includes.
+ * This is required as the first *roff preprocessor in order to deal with
+ * 100% of compressed source files correctly. A replacement tmac.andoc was
+ * considered, but would not have been portable to all systems.
+ *
+ * Wed Oct 12 18:46:11 BST 1994  Wilf. (G.Wilford@ee.surrey.ac.uk)
+ *
+ * Tue, 14 Oct 1997 Fabrizio Polacco <fpolacco@debian.org>
+ * - added changes that were done to .c instead of -l source
+ * - added new start condition to avoid execution of .so requests
+ *   inside a macro definition.
+ */
+
+#define MAX_SO_DEPTH 	10		/* max .so recursion depth */
+#undef ACCEPT_QUOTES			/* accept quoted roff requests */
+
+#include <assert.h>
+#include <stdbool.h>
+#include <string.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <errno.h>
+
+#define NAME	so_name[so_stack_ptr]
+#define LINE	so_line[so_stack_ptr]
+#define PIPE	so_pipe[so_stack_ptr]
+
+#include "dirname.h"
+#include "error.h"
+#include "gl_linkedhash_list.h"
+#include "gl_xlist.h"
+#include "xalloc.h"
+#include "xgetcwd.h"
+#include "xvasprintf.h"
+
+#include "gettext.h"
+#include <locale.h>
+#define _(String) gettext (String)
+
+#include "appendstr.h"
+#include "compression.h"
+#include "debug.h"
+#include "fatal.h"
+#include "glcontainers.h"
+
+#include "decompress.h"
+#include "globbing.h"
+#include "zsoelim.h"
+
+#ifdef ACCEPT_QUOTES
+#  define ZAP_QUOTES	zap_quotes ()
+static void zap_quotes (void);
+#else
+#  define ZAP_QUOTES
+#endif
+
+static YY_BUFFER_STATE so_stack[MAX_SO_DEPTH];
+static char *so_name[MAX_SO_DEPTH];
+static int so_line[MAX_SO_DEPTH];
+static decompress *so_pipe[MAX_SO_DEPTH];
+static int so_stack_ptr;
+static bool no_newline;
+static gl_list_t so_manpathlist;
+static const char *so_parent_path;
+
+struct zsoelim_stdin_data {
+	char *path;
+	gl_list_t manpathlist;
+};
+
+/* The flex documentation says that yyin is only used by YY_INPUT, so we
+ * should safely be able to abuse it as a handy way to keep track of the
+ * current 'decompress *' rather than the usual 'FILE *'.
+ */
+#define YY_INPUT(buf,result,max_size) { \
+	size_t size = max_size; \
+	const char *block = decompress_read ((decompress *) yyin, &size); \
+	if (block && size != 0) { \
+		memcpy (buf, block, size); \
+		buf[size] = '\0'; \
+		result = size; \
+	} else \
+		result = YY_NULL; \
+}
+#define YY_NO_INPUT
+%}
+
+%x so
+%x de
+%x end_request
+%x lfnumber
+%x lfname
+
+W	[ \t]
+
+%option full noread ecs
+%option 8bit batch never-interactive
+%option noyywrap nounput
+
+%%
+
+^\.de{W}*.+	{
+			no_newline = true;
+			ECHO;
+			BEGIN (de);	/* Now we're inside of a macro definition: ends with a comment */
+		}
+
+^\.so{W}*	{
+			no_newline = true;
+			BEGIN (so);	/* Now we're in the .so environment */
+		}
+
+^\.lf{W}*	{
+			no_newline = true;
+			ECHO;		/* Now we're in the .lf environment */
+			BEGIN (lfnumber);
+		}
+
+^[^\.\n].*		|	/* fallback */
+^\.[^sl].*		|
+^\.l[^f].*		|
+^\.s[^o].*		|
+^\.s			|
+^\.l			|
+.			{
+				no_newline = true;
+				ECHO;
+			}
+
+\n		{
+			no_newline = false;
+			putchar ('\n');
+			LINE++;
+		}
+
+
+<so>\"?[^ \t\n\"]+\"?	{ 	/* file names including whitespace ?  */
+			if (so_stack_ptr == MAX_SO_DEPTH - 1)
+				fatal (0,
+				       _("%s:%d: .so requests nested too "
+				         "deeply or are recursive"),
+				       NAME, LINE);
+
+			ZAP_QUOTES;
+			so_stack[so_stack_ptr++] = YY_CURRENT_BUFFER;
+			LINE = 1;
+
+			no_newline = false;
+
+			if (zsoelim_open_file (yytext, so_manpathlist,
+					       so_parent_path)) {
+				--so_stack_ptr;
+#ifndef __alpha
+				error (OK, 0,
+				       _("%s:%d: warning: failed .so request"),
+				       NAME, LINE);
+				printf (".so %s\n", yytext);
+#endif
+				BEGIN (end_request);
+			} else {
+				printf (".lf 1 %s\n", yytext);
+				yy_switch_to_buffer
+					(yy_create_buffer (yyin, YY_BUF_SIZE));
+				BEGIN (INITIAL);
+			}
+
+		}
+
+<end_request>{W}*\n	{
+			no_newline = false;
+			BEGIN (INITIAL);
+		}
+
+<so>\n		{
+			no_newline = false;
+			error (OK, 0,
+			       _("%s:%d: warning: newline in .so request, "
+			         "ignoring"),
+			       NAME, LINE);
+			putchar ('\n');
+			LINE++;
+			BEGIN (INITIAL);
+		}
+
+<de>^\.\..*	{
+			no_newline = true;
+			ECHO;
+			BEGIN (INITIAL);
+		}
+
+<de>.*		{
+			no_newline = true;
+			ECHO;
+		}
+
+<de>\n		{
+			no_newline = false;
+			putchar ('\n');
+			LINE++;
+		}
+
+
+<lfnumber>\"?[0-9]+\"?	{
+			no_newline = true;
+			ECHO;
+			ZAP_QUOTES;
+			LINE = atoi (yytext);
+			BEGIN (lfname);
+		}
+
+<lfname>\"?[^ \t\n\"]+\"?	{	/* file names including whitespace ?? */
+			no_newline = true;
+			ECHO;
+			putchar ('\n');
+			ZAP_QUOTES;
+			if (NAME)
+				free (NAME);
+			NAME = xstrdup (yytext);
+			BEGIN (end_request);
+		}
+
+<lfname>{W}+	{
+			no_newline = true;
+			ECHO;
+		}
+
+<lfname>\n	{
+			no_newline = false;
+			putchar ('\n');
+			LINE++;
+			BEGIN (INITIAL);
+		}
+
+<lfnumber,lfname>.	{
+			no_newline = true;
+			debug (
+			       "%s:%d: warning: unhandled .lf request; "
+			       "line numbers may be wrong\n",
+			       NAME, LINE);
+			putchar (*yytext);
+			BEGIN (INITIAL);
+		}
+
+<lfnumber>\n	{
+			no_newline = false;
+			error (OK, 0,
+			       _("%s:%d: warning: newline in .lf request, "
+			         "ignoring"),
+			       NAME, LINE);
+			putchar ('\n');
+			LINE++;
+			BEGIN (INITIAL);
+		}
+
+<<EOF>>	{
+		decompress_wait (PIPE);
+		decompress_free (PIPE);
+		PIPE = NULL;
+		free (NAME);
+		NAME = NULL;
+
+		if (no_newline)
+			putchar ('\n');
+
+		if (--so_stack_ptr < 0) {
+			yyterminate ();
+		} else {
+			yy_delete_buffer (YY_CURRENT_BUFFER);
+			yy_switch_to_buffer (so_stack[so_stack_ptr]);
+			printf (".lf %d %s\n", LINE += 1, NAME);
+		}
+		no_newline = false;
+		BEGIN (end_request);
+	}
+%%
+
+#ifdef ACCEPT_QUOTES
+/* remove leading and trailing quotes in requests */
+static void zap_quotes (void)
+{
+	if (*yytext == '"') {
+		if (yytext[yyleng - 1] == '"') {
+			yytext[yyleng - 1] = '\0';
+			yytext++;
+		} else
+			error (OK, 0,
+			       _("%s:%d: unterminated quote in roff request"),
+			       NAME, LINE);
+	}
+}
+#endif
+
+/* initialise the stack and call the parser */
+void zsoelim_parse_file (gl_list_t manpathlist, const char *parent_path)
+{
+	const char *line;
+	int linenum = 1;
+
+	so_stack_ptr = 0;
+	so_manpathlist = manpathlist;
+	so_parent_path = parent_path;
+
+	/* Skip over the first line if it's something that manconv might
+	 * need to know about.
+	 */
+	line = decompress_peekline ((decompress *) yyin);
+	if (line &&
+	    (STRNEQ (line, PP_COOKIE, 4) || STRNEQ (line, ".\\\" ", 4))) {
+		fputs (line, stdout);
+		decompress_peek_skip ((decompress *) yyin, strlen (line));
+		++linenum;
+	}
+
+	printf (".lf %d %s\n", linenum, NAME);
+	LINE = 1;
+	yylex ();
+}
+
+static decompress *try_compressed (char **filename)
+{
+	struct compression *comp;
+	size_t len = strlen (*filename);
+	decompress *decomp;
+
+	/* Try the uncompressed name first. */
+	(*filename)[len - 1] = '\0';
+	debug ("trying %s\n", *filename);
+	decomp = decompress_open (*filename, DECOMPRESS_ALLOW_INPROCESS);
+	if (decomp)
+		return decomp;
+	(*filename)[len - 1] = '.';
+
+	for (comp = comp_list; comp->ext; ++comp) {
+		*filename = appendstr (*filename, comp->ext, NULL);
+		debug ("trying %s\n", *filename);
+		decomp = decompress_open (*filename,
+					  DECOMPRESS_ALLOW_INPROCESS);
+		if (decomp)
+			return decomp;
+		(*filename)[len] = '\0';
+	}
+
+	return NULL;
+}
+
+/* This routine is used to open the specified file or uncompress a compressed
+   version and open that instead */
+bool zsoelim_open_file (const char *filename, gl_list_t manpathlist,
+			const char *parent_path)
+{
+	decompress *decomp = NULL;
+
+	if (parent_path)
+		debug ("opening %s (parent path: %s)\n",
+		       filename, parent_path);
+	else
+		debug ("opening %s\n", filename);
+
+	if (strcmp (filename, "-") == 0) {
+		decomp = decompress_fdopen (dup (STDIN_FILENO));
+		NAME = xstrdup (filename);
+	} else {
+		char *compfile;
+		const char *mp;
+
+		/* If there is no parent path, try opening directly first. */
+		if (!parent_path) {
+			compfile = xasprintf ("%s.", filename);
+			assert (compfile);
+
+			decomp = try_compressed (&compfile);
+			if (decomp) {
+				NAME = compfile;
+				goto out;
+			} else
+				free (compfile);
+		}
+
+		if (strchr (filename, '/')) {
+			/* File name with a directory part.  Try looking it
+			 * up within each manpath entry.
+			 */
+			if (parent_path) {
+				compfile = xasprintf ("%s/%s.", parent_path,
+						      filename);
+				assert (compfile);
+
+				decomp = try_compressed (&compfile);
+				if (decomp) {
+					NAME = compfile;
+					goto out;
+				}
+
+				free (compfile);
+			}
+
+			GL_LIST_FOREACH (manpathlist, mp) {
+				if (parent_path && STREQ (mp, parent_path))
+					continue;
+
+				compfile = xasprintf ("%s/%s.", mp, filename);
+				assert (compfile);
+
+				decomp = try_compressed (&compfile);
+				if (decomp) {
+					NAME = compfile;
+					goto out;
+				}
+
+				free (compfile);
+			}
+		} else {
+			/* File name with no directory part.  Try searching
+			 * the manpath.
+			 */
+			char *name, *sec, *dot;
+			gl_list_t names;
+			const char *found_name;
+
+			name = xstrdup (filename);
+			dot = strchr (name, '.');
+			if (!dot) {
+				free (name);
+				goto out;
+			}
+			*dot++ = '\0';
+			sec = dot;
+			dot = strchr (dot, '.');
+			if (dot)
+				*dot = '\0';
+
+			if (parent_path) {
+				names = look_for_file (parent_path, sec, name,
+						       false, LFF_MATCHCASE);
+				GL_LIST_FOREACH (names, found_name) {
+					decomp = decompress_open
+						(found_name,
+						 DECOMPRESS_ALLOW_INPROCESS);
+					if (decomp) {
+						NAME = xstrdup (found_name);
+						gl_list_free (names);
+						goto out;
+					}
+				}
+				gl_list_free (names);
+			}
+
+			GL_LIST_FOREACH (manpathlist, mp) {
+				if (parent_path && STREQ (mp, parent_path))
+					continue;
+
+				names = look_for_file (mp, sec, name,
+						       false, LFF_MATCHCASE);
+				GL_LIST_FOREACH (names, found_name) {
+					decomp = decompress_open
+						(found_name,
+						 DECOMPRESS_ALLOW_INPROCESS);
+					if (decomp) {
+						NAME = xstrdup (found_name);
+						gl_list_free (names);
+						free (name);
+						goto out;
+					}
+				}
+				gl_list_free (names);
+			}
+
+			free (name);
+		}
+
+		/* If there is a parent path, try opening directly last. */
+		if (parent_path) {
+			compfile = xasprintf ("%s.", filename);
+			assert (compfile);
+
+			decomp = try_compressed (&compfile);
+			if (decomp) {
+				NAME = compfile;
+				goto out;
+			} else
+				free (compfile);
+		}
+
+out:
+		if (!decomp) {
+			error (0, errno, _("can't open %s"), filename);
+			return true;
+		}
+	}
+
+	debug ("opened %s\n", NAME);
+
+	decompress_start (decomp);
+	PIPE = decomp;
+	/* only used by YY_INPUT, which casts it back to 'decompress *' */
+	yyin = (FILE *) decomp;
+
+	return false;
+}
+
+void zsoelim_stdin (void *data)
+{
+	struct zsoelim_stdin_data *zsoelim_data = data;
+	gl_list_t empty;
+
+	empty = gl_list_create_empty (GL_LINKEDHASH_LIST, NULL, NULL, NULL,
+				      true);
+	zsoelim_open_file ("-", empty, zsoelim_data->path);
+	gl_list_free (empty);
+	zsoelim_parse_file (zsoelim_data->manpathlist, zsoelim_data->path);
+}
+
+struct zsoelim_stdin_data *zsoelim_stdin_data_new (const char *path,
+						   gl_list_t manpathlist)
+{
+	struct zsoelim_stdin_data *data = XMALLOC (struct zsoelim_stdin_data);
+
+	data->path = path ? xstrdup (path) : NULL;
+	data->manpathlist = manpathlist;
+
+	return data;
+}
+
+void zsoelim_stdin_data_free (void *data)
+{
+	struct zsoelim_stdin_data *zsoelim_data = data;
+
+	free (zsoelim_data->path);
+	free (zsoelim_data);
+}
diff --git a/src/zsoelim_main.c b/src/zsoelim_main.c
new file mode 100644
index 0000000..b4057b4
--- /dev/null
+++ b/src/zsoelim_main.c
@@ -0,0 +1,163 @@
+/*
+ * zsoelim_main.c: eliminate .so includes within *roff source
+ *
+ * Copyright (C) 1994, 1995 Graeme W. Wilford. (Wilf.)
+ * Copyright (C) 1997 Fabrizio Polacco.
+ * Copyright (C) 2001, 2002, 2003, 2004, 2006, 2007, 2008, 2009, 2010
+ * Colin Watson.
+ *
+ * This file is part of man-db.
+ *
+ * man-db is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * man-db is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with man-db; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+
+#ifdef HAVE_CONFIG_H
+#  include "config.h"
+#endif /* HAVE_CONFIG_H */
+
+#include <stdbool.h>
+#include <stdlib.h>
+
+#include "argp.h"
+#include "attribute.h"
+#include "error.h"
+#include "gl_list.h"
+#include "progname.h"
+#include "xalloc.h"
+#include "xvasprintf.h"
+
+#include "gettext.h"
+#include <locale.h>
+#define N_(String) gettext_noop (String)
+
+#include "manconfig.h"
+
+#include "cleanup.h"
+#include "debug.h"
+#include "pipeline.h"
+#include "sandbox.h"
+#include "util.h"
+
+#include "decompress.h"
+#include "manp.h"
+#include "zsoelim.h"
+
+int quiet = 1;
+man_sandbox *sandbox;
+
+static gl_list_t manpathlist;
+
+static char **files;
+static int num_files;
+
+const char *argp_program_version = "zsoelim " PACKAGE_VERSION;
+const char *argp_program_bug_address = PACKAGE_BUGREPORT;
+error_t argp_err_exit_status = FAIL;
+
+static const char args_doc[] = N_("FILE...");
+
+static struct argp_option options[] = {
+	OPT ("debug", 'd', 0, N_("emit debugging messages")),
+	OPT ("compatible", 'C', 0, N_("compatibility switch (ignored)"), 1),
+	OPT_HELP_COMPAT,
+	{ 0 }
+};
+
+static error_t parse_opt (int key, char *arg MAYBE_UNUSED,
+			  struct argp_state *state)
+{
+	switch (key) {
+		case 'd':
+			debug_level = true;
+			return 0;
+		case 'C':
+			return 0; /* compatibility with GNU soelim */
+		case 'h':
+			argp_state_help (state, state->out_stream,
+					 ARGP_HELP_STD_HELP);
+			break;
+		case ARGP_KEY_NO_ARGS:
+			/* open stdin */
+			files = xmalloc (sizeof *files);
+			files[0] = xstrdup ("-");
+			num_files = 1;
+			return 0;
+		case ARGP_KEY_ARGS:
+			files = state->argv + state->next;
+			num_files = state->argc - state->next;
+			return 0;
+	}
+	return ARGP_ERR_UNKNOWN;
+}
+
+static struct argp argp = { options, parse_opt, args_doc };
+
+int main (int argc, char *argv[])
+{
+	char *multiple_locale = NULL, *internal_locale, *all_locales;
+	char *manp;
+	int i;
+
+	set_program_name (argv[0]);
+
+	init_debug ();
+	pipeline_install_post_fork (pop_all_cleanups);
+	sandbox = sandbox_init ();
+	init_locale ();
+
+	internal_locale = setlocale (LC_MESSAGES, NULL);
+	/* Use LANGUAGE only when LC_MESSAGES locale category is
+	 * neither "C" nor "POSIX". */
+	if (internal_locale && strcmp (internal_locale, "C") &&
+	    strcmp (internal_locale, "POSIX"))
+		multiple_locale = getenv ("LANGUAGE");
+	internal_locale = xstrdup (internal_locale ? internal_locale : "C");
+
+	if (argp_parse (&argp, argc, argv, 0, 0, 0))
+		exit (FAIL);
+
+	if (multiple_locale && *multiple_locale) {
+		if (internal_locale && *internal_locale)
+			all_locales = xasprintf ("%s:%s",
+						 multiple_locale,
+						 internal_locale);
+		else
+			all_locales = xstrdup (multiple_locale);
+	} else {
+		if (internal_locale && *internal_locale)
+			all_locales = xstrdup (internal_locale);
+		else
+			all_locales = NULL;
+	}
+
+	manp = add_nls_manpaths (get_manpath (NULL), all_locales);
+	free (all_locales);
+
+	manpathlist = create_pathlist (manp);
+
+	/* parse files in command line order */
+	for (i = 0; i < num_files; ++i) {
+		if (zsoelim_open_file (files[i], manpathlist, NULL))
+			continue;
+		zsoelim_parse_file (manpathlist, NULL);
+	}
+
+	free_pathlist (manpathlist);
+	free (manp);
+	free (internal_locale);
+	sandbox_free (sandbox);
+
+	return OK;
+}