Adding upstream version 1:9.18.19.upstream/1%9.18.19upstream

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

18 files changed, 2459 insertions, 0 deletions

diff --git a/doc/misc/Makefile.am b/doc/misc/Makefile.am
new file mode 100644
index 0000000..8d7c80d
--- /dev/null
+++ b/doc/misc/Makefile.am
@@ -0,0 +1,80 @@
+include $(top_srcdir)/Makefile.top
+include $(top_srcdir)/Makefile.docs
+
+OPTIONS_FILES =				\
+	rndc.grammar			\
+	options				\
+	primary.zoneopt			\
+	secondary.zoneopt			\
+	mirror.zoneopt			\
+	forward.zoneopt			\
+	hint.zoneopt			\
+	stub.zoneopt			\
+	static-stub.zoneopt		\
+	redirect.zoneopt		\
+	delegation-only.zoneopt		\
+	in-view.zoneopt
+
+EXTRA_DIST =			\
+	$(OPTIONS_FILES)	\
+	checkgrammar.py		\
+	parsegrammar.py		\
+	sort-options.pl
+
+if MAINTAINER_MODE
+
+MAINTAINERCLEANFILES = $(OPTIONS_FILES)
+
+noinst_PROGRAMS = cfg_test
+
+cfg_test_CPPFLAGS =			\
+	$(AM_CPPFLAGS)			\
+	$(LIBISC_CFLAGS)		\
+	$(LIBDNS_CFLAGS)		\
+	$(LIBISCCFG_CFLAGS)
+
+cfg_test_LDADD =			\
+	$(LIBISC_LIBS)			\
+	$(LIBDNS_LIBS)			\
+	$(LIBISCCFG_LIBS)
+
+BUILT_SOURCES =				\
+	$(OPTIONS_FILES)
+
+rndc.grammar: cfg_test
+	$(AM_V_CFG_TEST)$(builddir)/cfg_test --rndc --grammar | $(PERL) $(srcdir)/sort-options.pl > $@
+
+options: cfg_test
+	$(AM_V_CFG_TEST)$(builddir)/cfg_test --named --grammar | $(PERL) $(srcdir)/sort-options.pl > $@
+
+primary.zoneopt: cfg_test
+	$(AM_V_CFG_TEST)$(builddir)/cfg_test --zonegrammar primary > $@
+
+secondary.zoneopt: cfg_test
+	$(AM_V_CFG_TEST)$(builddir)/cfg_test --zonegrammar secondary > $@
+
+mirror.zoneopt: cfg_test
+	$(AM_V_CFG_TEST)$(builddir)/cfg_test --zonegrammar mirror > $@
+
+forward.zoneopt: cfg_test
+	$(AM_V_CFG_TEST)$(builddir)/cfg_test --zonegrammar forward > $@
+
+hint.zoneopt: cfg_test
+	$(AM_V_CFG_TEST)$(builddir)/cfg_test --zonegrammar hint > $@
+
+stub.zoneopt: cfg_test
+	$(AM_V_CFG_TEST)$(builddir)/cfg_test --zonegrammar stub > $@
+
+static-stub.zoneopt: cfg_test
+	$(AM_V_CFG_TEST)$(builddir)/cfg_test --zonegrammar static-stub > $@
+
+redirect.zoneopt: cfg_test
+	$(AM_V_CFG_TEST)$(builddir)/cfg_test --zonegrammar redirect > $@
+
+delegation-only.zoneopt: cfg_test
+	$(AM_V_CFG_TEST)$(builddir)/cfg_test --zonegrammar delegation-only > $@
+
+in-view.zoneopt: cfg_test
+	$(AM_V_CFG_TEST)$(builddir)/cfg_test --zonegrammar in-view > $@
+
+endif
diff --git a/doc/misc/Makefile.in b/doc/misc/Makefile.in
new file mode 100644
index 0000000..da99f62
--- /dev/null
+++ b/doc/misc/Makefile.in
@@ -0,0 +1,921 @@
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+RNDC_KEY = .. |rndc_key| replace:: ``$(sysconfdir)/rndc.key``
+NAMED_CONF = .. |named_conf| replace:: ``$(sysconfdir)/named.conf``
+BIND_KEYS = .. |bind_keys| replace:: ``$(sysconfdir)/bind.keys``
+NAMED_PID = .. |named_pid| replace:: ``$(runstatedir)/named.pid``
+SESSION_KEY = .. |session_key| replace:: ``$(runstatedir)/session.key``
+common_SPHINXOPTS = \
+	$(SPHINX_W)			\
+	-c $(srcdir)			\
+	-a				\
+	$(SPHINX_V)
+
+
+# The "today" variable set below is not directly used in the ARM, but its value
+# is implicitly inserted on the title page of the PDF file produced by Sphinx.
+ALLSPHINXOPTS = \
+	$(common_SPHINXOPTS)			\
+	-D today="$(RELEASE_DATE)"		\
+	-D rst_epilog="$$(printf "$${RST_EPILOG}")"	\
+	$(SPHINXOPTS)				\
+	$(srcdir)
+
+_ = @
+man_RNDC_CONF = .. |rndc_conf| replace:: ``$(_)sysconfdir$(_)/rndc.conf``
+man_RNDC_KEY = .. |rndc_key| replace:: ``$(_)sysconfdir$(_)/rndc.key``
+man_NAMED_CONF = .. |named_conf| replace:: ``$(_)sysconfdir$(_)/named.conf``
+man_BIND_KEYS = .. |bind_keys| replace:: ``$(_)sysconfdir$(_)/bind.keys``
+man_NAMED_PID = .. |named_pid| replace:: ``$(_)runstatedir$(_)/named.pid``
+man_SESSION_KEY = .. |session_key| replace:: ``$(_)runstatedir$(_)/session.key``
+man_SPHINXOPTS = \
+	$(common_SPHINXOPTS)			\
+	-D version="@""PACKAGE_VERSION@"	\
+	-D today="@""RELEASE_DATE@"		\
+	-D release="@""PACKAGE_VERSION@"	\
+	-D rst_epilog="$$(printf "$${man_RST_EPILOG}")"	\
+	$(SPHINXOPTS)				\
+	$(srcdir)
+
+AM_V_SED = $(AM_V_SED_@AM_V@)
+AM_V_SED_ = $(AM_V_SED_@AM_DEFAULT_V@)
+AM_V_SED_0 = @echo "  SED $@";
+AM_V_CFG_TEST = $(AM_V_CFG_TEST_@AM_V@)
+AM_V_CFG_TEST_ = $(AM_V_CFG_TEST_@AM_DEFAULT_V@)
+AM_V_CFG_TEST_0 = @echo "  CFG_GEN $@";
+OPTIONS_FILES = \
+	rndc.grammar			\
+	options				\
+	primary.zoneopt			\
+	secondary.zoneopt			\
+	mirror.zoneopt			\
+	forward.zoneopt			\
+	hint.zoneopt			\
+	stub.zoneopt			\
+	static-stub.zoneopt		\
+	redirect.zoneopt		\
+	delegation-only.zoneopt		\
+	in-view.zoneopt
+
+EXTRA_DIST = \
+	$(OPTIONS_FILES)	\
+	checkgrammar.py		\
+	parsegrammar.py		\
+	sort-options.pl
+
+@MAINTAINER_MODE_TRUE@MAINTAINERCLEANFILES = $(OPTIONS_FILES)
+@MAINTAINER_MODE_TRUE@cfg_test_CPPFLAGS = \
+@MAINTAINER_MODE_TRUE@	$(AM_CPPFLAGS)			\
+@MAINTAINER_MODE_TRUE@	$(LIBISC_CFLAGS)		\
+@MAINTAINER_MODE_TRUE@	$(LIBDNS_CFLAGS)		\
+@MAINTAINER_MODE_TRUE@	$(LIBISCCFG_CFLAGS)
+
+@MAINTAINER_MODE_TRUE@cfg_test_LDADD = \
+@MAINTAINER_MODE_TRUE@	$(LIBISC_LIBS)			\
+@MAINTAINER_MODE_TRUE@	$(LIBDNS_LIBS)			\
+@MAINTAINER_MODE_TRUE@	$(LIBISCCFG_LIBS)
+
+@MAINTAINER_MODE_TRUE@BUILT_SOURCES = \
+@MAINTAINER_MODE_TRUE@	$(OPTIONS_FILES)
+
+all: $(BUILT_SOURCES)
+	$(MAKE) $(AM_MAKEFLAGS) all-am
+
+.SUFFIXES:
+.SUFFIXES: .c .lo .o .obj
+$(srcdir)/Makefile.in: @MAINTAINER_MODE_TRUE@ $(srcdir)/Makefile.am $(top_srcdir)/Makefile.top $(top_srcdir)/Makefile.docs $(am__configure_deps)
+	@for dep in $?; do \
+	  case '$(am__configure_deps)' in \
+	    *$$dep*) \
+	      ( cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh ) \
+	        && { if test -f $@; then exit 0; else break; fi; }; \
+	      exit 1;; \
+	  esac; \
+	done; \
+	echo ' cd $(top_srcdir) && $(AUTOMAKE) --foreign doc/misc/Makefile'; \
+	$(am__cd) $(top_srcdir) && \
+	  $(AUTOMAKE) --foreign doc/misc/Makefile
+Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status
+	@case '$?' in \
+	  *config.status*) \
+	    cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh;; \
+	  *) \
+	    echo ' cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__maybe_remake_depfiles)'; \
+	    cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__maybe_remake_depfiles);; \
+	esac;
+$(top_srcdir)/Makefile.top $(top_srcdir)/Makefile.docs $(am__empty):
+
+$(top_builddir)/config.status: $(top_srcdir)/configure $(CONFIG_STATUS_DEPENDENCIES)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+
+$(top_srcdir)/configure: @MAINTAINER_MODE_TRUE@ $(am__configure_deps)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+$(ACLOCAL_M4): @MAINTAINER_MODE_TRUE@ $(am__aclocal_m4_deps)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+$(am__aclocal_m4_deps):
+
+clean-noinstPROGRAMS:
+	@list='$(noinst_PROGRAMS)'; test -n "$$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
+
+cfg_test$(EXEEXT): $(cfg_test_OBJECTS) $(cfg_test_DEPENDENCIES) $(EXTRA_cfg_test_DEPENDENCIES) 
+	@rm -f cfg_test$(EXEEXT)
+	$(AM_V_CCLD)$(LINK) $(cfg_test_OBJECTS) $(cfg_test_LDADD) $(LIBS)
+
+mostlyclean-compile:
+	-rm -f *.$(OBJEXT)
+
+distclean-compile:
+	-rm -f *.tab.c
+
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/cfg_test-cfg_test.Po@am__quote@ # am--include-marker
+
+$(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)depbase=`echo $@ | sed 's|[^/]*$$|$(DEPDIR)/&|;s|\.o$$||'`;\
+@am__fastdepCC_TRUE@	$(COMPILE) -MT $@ -MD -MP -MF $$depbase.Tpo -c -o $@ $< &&\
+@am__fastdepCC_TRUE@	$(am__mv) $$depbase.Tpo $$depbase.Po
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	$(AM_V_CC)source='$<' object='$@' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@	$(AM_V_CC@am__nodep@)$(COMPILE) -c -o $@ $<
+
+.c.obj:
+@am__fastdepCC_TRUE@	$(AM_V_CC)depbase=`echo $@ | sed 's|[^/]*$$|$(DEPDIR)/&|;s|\.obj$$||'`;\
+@am__fastdepCC_TRUE@	$(COMPILE) -MT $@ -MD -MP -MF $$depbase.Tpo -c -o $@ `$(CYGPATH_W) '$<'` &&\
+@am__fastdepCC_TRUE@	$(am__mv) $$depbase.Tpo $$depbase.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)depbase=`echo $@ | sed 's|[^/]*$$|$(DEPDIR)/&|;s|\.lo$$||'`;\
+@am__fastdepCC_TRUE@	$(LTCOMPILE) -MT $@ -MD -MP -MF $$depbase.Tpo -c -o $@ $< &&\
+@am__fastdepCC_TRUE@	$(am__mv) $$depbase.Tpo $$depbase.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 $@ $<
+
+cfg_test-cfg_test.o: cfg_test.c
+@am__fastdepCC_TRUE@	$(AM_V_CC)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(cfg_test_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -MT cfg_test-cfg_test.o -MD -MP -MF $(DEPDIR)/cfg_test-cfg_test.Tpo -c -o cfg_test-cfg_test.o `test -f 'cfg_test.c' || echo '$(srcdir)/'`cfg_test.c
+@am__fastdepCC_TRUE@	$(AM_V_at)$(am__mv) $(DEPDIR)/cfg_test-cfg_test.Tpo $(DEPDIR)/cfg_test-cfg_test.Po
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	$(AM_V_CC)source='cfg_test.c' object='cfg_test-cfg_test.o' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@	$(AM_V_CC@am__nodep@)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(cfg_test_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -c -o cfg_test-cfg_test.o `test -f 'cfg_test.c' || echo '$(srcdir)/'`cfg_test.c
+
+cfg_test-cfg_test.obj: cfg_test.c
+@am__fastdepCC_TRUE@	$(AM_V_CC)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(cfg_test_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -MT cfg_test-cfg_test.obj -MD -MP -MF $(DEPDIR)/cfg_test-cfg_test.Tpo -c -o cfg_test-cfg_test.obj `if test -f 'cfg_test.c'; then $(CYGPATH_W) 'cfg_test.c'; else $(CYGPATH_W) '$(srcdir)/cfg_test.c'; fi`
+@am__fastdepCC_TRUE@	$(AM_V_at)$(am__mv) $(DEPDIR)/cfg_test-cfg_test.Tpo $(DEPDIR)/cfg_test-cfg_test.Po
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	$(AM_V_CC)source='cfg_test.c' object='cfg_test-cfg_test.obj' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@	$(AM_V_CC@am__nodep@)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(cfg_test_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -c -o cfg_test-cfg_test.obj `if test -f 'cfg_test.c'; then $(CYGPATH_W) 'cfg_test.c'; else $(CYGPATH_W) '$(srcdir)/cfg_test.c'; fi`
+
+mostlyclean-libtool:
+	-rm -f *.lo
+
+clean-libtool:
+	-rm -rf .libs _libs
+test-local: 
+unit-local: 
+doc-local: 
+
+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
+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
+check: $(BUILT_SOURCES)
+	$(MAKE) $(AM_MAKEFLAGS) check-am
+all-am: Makefile $(PROGRAMS)
+installdirs:
+install: $(BUILT_SOURCES)
+	$(MAKE) $(AM_MAKEFLAGS) install-am
+install-exec: $(BUILT_SOURCES)
+	$(MAKE) $(AM_MAKEFLAGS) install-exec-am
+install-data: install-data-am
+uninstall: uninstall-am
+
+install-am: all-am
+	@$(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:
+
+clean-generic:
+
+distclean-generic:
+	-test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
+	-test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES)
+
+maintainer-clean-generic:
+	@echo "This command is intended for maintainers to use"
+	@echo "it deletes files that may require special tools to rebuild."
+	-test -z "$(BUILT_SOURCES)" || rm -f $(BUILT_SOURCES)
+	-test -z "$(MAINTAINERCLEANFILES)" || rm -f $(MAINTAINERCLEANFILES)
+clean: clean-am
+
+clean-am: clean-generic clean-libtool clean-noinstPROGRAMS \
+	mostlyclean-am
+
+distclean: distclean-am
+		-rm -f ./$(DEPDIR)/cfg_test-cfg_test.Po
+	-rm -f Makefile
+distclean-am: clean-am distclean-compile distclean-generic \
+	distclean-tags
+
+doc: doc-am
+
+doc-am: doc-local
+
+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:
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+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)/cfg_test-cfg_test.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:
+
+test: test-am
+
+test-am: test-local
+
+uninstall-am:
+
+unit: unit-am
+
+unit-am: unit-local
+
+.MAKE: all check install install-am install-exec install-strip
+
+.PHONY: CTAGS GTAGS TAGS all all-am am--depfiles check check-am clean \
+	clean-generic clean-libtool clean-noinstPROGRAMS cscopelist-am \
+	ctags ctags-am distclean distclean-compile distclean-generic \
+	distclean-libtool distclean-tags distdir doc-am doc-local 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 \
+	tags tags-am test-am test-local uninstall uninstall-am unit-am \
+	unit-local
+
+.PRECIOUS: Makefile
+
+
+export RST_EPILOG = $(RNDC_CONF)$(LF)$(RNDC_KEY)$(LF)$(NAMED_CONF)$(LF)$(BIND_KEYS)$(LF)$(NAMED_PID)$(LF)$(SESSION_KEY)
+
+export man_RST_EPILOG = $(man_RNDC_CONF)$(LF)$(man_RNDC_KEY)$(LF)$(man_NAMED_CONF)$(LF)$(man_BIND_KEYS)$(LF)$(man_NAMED_PID)$(LF)$(man_SESSION_KEY)
+
+@MAINTAINER_MODE_TRUE@rndc.grammar: cfg_test
+@MAINTAINER_MODE_TRUE@	$(AM_V_CFG_TEST)$(builddir)/cfg_test --rndc --grammar | $(PERL) $(srcdir)/sort-options.pl > $@
+
+@MAINTAINER_MODE_TRUE@options: cfg_test
+@MAINTAINER_MODE_TRUE@	$(AM_V_CFG_TEST)$(builddir)/cfg_test --named --grammar | $(PERL) $(srcdir)/sort-options.pl > $@
+
+@MAINTAINER_MODE_TRUE@primary.zoneopt: cfg_test
+@MAINTAINER_MODE_TRUE@	$(AM_V_CFG_TEST)$(builddir)/cfg_test --zonegrammar primary > $@
+
+@MAINTAINER_MODE_TRUE@secondary.zoneopt: cfg_test
+@MAINTAINER_MODE_TRUE@	$(AM_V_CFG_TEST)$(builddir)/cfg_test --zonegrammar secondary > $@
+
+@MAINTAINER_MODE_TRUE@mirror.zoneopt: cfg_test
+@MAINTAINER_MODE_TRUE@	$(AM_V_CFG_TEST)$(builddir)/cfg_test --zonegrammar mirror > $@
+
+@MAINTAINER_MODE_TRUE@forward.zoneopt: cfg_test
+@MAINTAINER_MODE_TRUE@	$(AM_V_CFG_TEST)$(builddir)/cfg_test --zonegrammar forward > $@
+
+@MAINTAINER_MODE_TRUE@hint.zoneopt: cfg_test
+@MAINTAINER_MODE_TRUE@	$(AM_V_CFG_TEST)$(builddir)/cfg_test --zonegrammar hint > $@
+
+@MAINTAINER_MODE_TRUE@stub.zoneopt: cfg_test
+@MAINTAINER_MODE_TRUE@	$(AM_V_CFG_TEST)$(builddir)/cfg_test --zonegrammar stub > $@
+
+@MAINTAINER_MODE_TRUE@static-stub.zoneopt: cfg_test
+@MAINTAINER_MODE_TRUE@	$(AM_V_CFG_TEST)$(builddir)/cfg_test --zonegrammar static-stub > $@
+
+@MAINTAINER_MODE_TRUE@redirect.zoneopt: cfg_test
+@MAINTAINER_MODE_TRUE@	$(AM_V_CFG_TEST)$(builddir)/cfg_test --zonegrammar redirect > $@
+
+@MAINTAINER_MODE_TRUE@delegation-only.zoneopt: cfg_test
+@MAINTAINER_MODE_TRUE@	$(AM_V_CFG_TEST)$(builddir)/cfg_test --zonegrammar delegation-only > $@
+
+@MAINTAINER_MODE_TRUE@in-view.zoneopt: cfg_test
+@MAINTAINER_MODE_TRUE@	$(AM_V_CFG_TEST)$(builddir)/cfg_test --zonegrammar in-view > $@
+
+# 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/doc/misc/cfg_test.c b/doc/misc/cfg_test.c
new file mode 100644
index 0000000..d5f3654
--- /dev/null
+++ b/doc/misc/cfg_test.c
@@ -0,0 +1,195 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+/*! \file */
+
+#include <errno.h>
+#include <stdbool.h>
+#include <stdlib.h>
+
+#include <isc/mem.h>
+#include <isc/print.h>
+#include <isc/string.h>
+#include <isc/util.h>
+
+#include <dns/log.h>
+
+#include <isccfg/grammar.h>
+#include <isccfg/namedconf.h>
+
+static void
+check_result(isc_result_t result, const char *format, ...) {
+	va_list args;
+
+	if (result == ISC_R_SUCCESS) {
+		return;
+	}
+
+	va_start(args, format);
+	vfprintf(stderr, format, args);
+	va_end(args);
+	fprintf(stderr, ": %s\n", isc_result_totext(result));
+	exit(1);
+}
+
+static void
+output(void *closure, const char *text, int textlen) {
+	UNUSED(closure);
+	(void)fwrite(text, 1, textlen, stdout);
+}
+
+static void
+usage(void) {
+	fprintf(stderr, "usage: cfg_test --rndc|--named "
+			"[--grammar] [--zonegrammar] [--active] "
+			"[--memstats] conffile\n");
+	exit(1);
+}
+
+int
+main(int argc, char **argv) {
+	isc_result_t result;
+	isc_mem_t *mctx = NULL;
+	isc_log_t *lctx = NULL;
+	isc_logconfig_t *lcfg = NULL;
+	isc_logdestination_t destination;
+	cfg_parser_t *pctx = NULL;
+	cfg_obj_t *cfg = NULL;
+	cfg_type_t *type = NULL;
+	bool grammar = false;
+	bool memstats = false;
+	char *filename = NULL;
+	unsigned int zonetype = 0;
+	unsigned int pflags = 0;
+
+	isc_mem_create(&mctx);
+
+	isc_log_create(mctx, &lctx, &lcfg);
+	isc_log_setcontext(lctx);
+
+	/*
+	 * Create and install the default channel.
+	 */
+	destination.file.stream = stderr;
+	destination.file.name = NULL;
+	destination.file.versions = ISC_LOG_ROLLNEVER;
+	destination.file.maximum_size = 0;
+	isc_log_createchannel(lcfg, "_default", ISC_LOG_TOFILEDESC,
+			      ISC_LOG_DYNAMIC, &destination, ISC_LOG_PRINTTIME);
+
+	result = isc_log_usechannel(lcfg, "_default", NULL, NULL);
+	check_result(result, "isc_log_usechannel()");
+
+	/*
+	 * Set the initial debug level.
+	 */
+	isc_log_setdebuglevel(lctx, 2);
+
+	if (argc < 3) {
+		usage();
+	}
+
+	while (argc > 1) {
+		if (strcmp(argv[1], "--active") == 0) {
+			pflags |= CFG_PRINTER_ACTIVEONLY;
+		} else if (strcmp(argv[1], "--grammar") == 0) {
+			grammar = true;
+		} else if (strcmp(argv[1], "--zonegrammar") == 0) {
+			argv++, argc--;
+			if (argc <= 1) {
+				usage();
+			}
+			if (strcmp(argv[1], "master") == 0 ||
+			    strcmp(argv[1], "primary") == 0)
+			{
+				zonetype = CFG_ZONE_PRIMARY;
+			} else if (strcmp(argv[1], "slave") == 0 ||
+				   strcmp(argv[1], "secondary") == 0)
+			{
+				zonetype = CFG_ZONE_SECONDARY;
+			} else if (strcmp(argv[1], "mirror") == 0) {
+				zonetype = CFG_ZONE_MIRROR;
+			} else if (strcmp(argv[1], "stub") == 0) {
+				zonetype = CFG_ZONE_STUB;
+			} else if (strcmp(argv[1], "static-stub") == 0) {
+				zonetype = CFG_ZONE_STATICSTUB;
+			} else if (strcmp(argv[1], "hint") == 0) {
+				zonetype = CFG_ZONE_HINT;
+			} else if (strcmp(argv[1], "forward") == 0) {
+				zonetype = CFG_ZONE_FORWARD;
+			} else if (strcmp(argv[1], "redirect") == 0) {
+				zonetype = CFG_ZONE_REDIRECT;
+			} else if (strcmp(argv[1], "delegation-only") == 0) {
+				zonetype = CFG_ZONE_DELEGATION;
+			} else if (strcmp(argv[1], "in-view") == 0) {
+				zonetype = CFG_ZONE_INVIEW;
+			} else {
+				usage();
+			}
+		} else if (strcmp(argv[1], "--memstats") == 0) {
+			memstats = true;
+		} else if (strcmp(argv[1], "--named") == 0) {
+			type = &cfg_type_namedconf;
+		} else if (strcmp(argv[1], "--rndc") == 0) {
+			type = &cfg_type_rndcconf;
+		} else if (argv[1][0] == '-') {
+			usage();
+		} else {
+			filename = argv[1];
+		}
+		argv++, argc--;
+	}
+
+	if (grammar) {
+		if (type == NULL) {
+			usage();
+		}
+		cfg_print_grammar(type, pflags, output, NULL);
+	} else if (zonetype != 0) {
+		cfg_print_zonegrammar(zonetype, pflags, output, NULL);
+	} else {
+		if (type == NULL || filename == NULL) {
+			usage();
+		}
+		RUNTIME_CHECK(cfg_parser_create(mctx, lctx, &pctx) ==
+			      ISC_R_SUCCESS);
+
+		result = cfg_parse_file(pctx, filename, type, &cfg);
+
+		fprintf(stderr, "read config: %s\n", isc_result_totext(result));
+
+		if (result != ISC_R_SUCCESS) {
+			exit(1);
+		}
+
+		cfg_print(cfg, output, NULL);
+
+		cfg_obj_destroy(pctx, &cfg);
+
+		cfg_parser_destroy(&pctx);
+	}
+
+	isc_log_destroy(&lctx);
+	if (memstats) {
+		isc_mem_stats(mctx, stderr);
+	}
+	isc_mem_destroy(&mctx);
+
+	fflush(stdout);
+	if (ferror(stdout)) {
+		fprintf(stderr, "write error\n");
+		return (1);
+	} else {
+		return (0);
+	}
+}
diff --git a/doc/misc/checkgrammar.py b/doc/misc/checkgrammar.py
new file mode 100644
index 0000000..09984ec
--- /dev/null
+++ b/doc/misc/checkgrammar.py
@@ -0,0 +1,167 @@
+############################################################################
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+############################################################################
+
+"""
+Utility to check ISC config grammar consistency. It detects statement names
+which use different grammar depending on position in the configuration file.
+E.g. "max-zone-ttl" in dnssec-policy uses '<duration>'
+vs. '( unlimited | <duration> ) used in options.
+"""
+
+from collections import namedtuple
+from itertools import groupby
+import fileinput
+
+import parsegrammar
+
+
+def statement2block(grammar, path):
+    """Return mapping statement name to "path" where it is allowed.
+    _top is placeholder name for the namesless topmost context.
+
+    E.g. {
+        'options: [('_top',)],
+        'server': [('_top', 'view'), ('_top',)],
+        'rate-limit': [('_top', 'options'), ('_top', 'view')],
+        'slip': [('_top', 'options', 'rate-limit'), ('_top', 'view', 'rate-limit')]
+    }
+    """
+    key2place = {}
+
+    for key in grammar:
+        assert not key.startswith("_")
+        key2place.setdefault(key, []).append(tuple(path))
+        if "_mapbody" in grammar[key]:
+            nested2block = statement2block(grammar[key]["_mapbody"], path + [key])
+            # merge to uppermost output dictionary
+            for nested_key, nested_path in nested2block.items():
+                key2place.setdefault(nested_key, []).extend(nested_path)
+    return key2place
+
+
+def get_statement_grammar(grammar, path, name):
+    """Descend into grammar dict using provided path
+    and return final dict found there.
+
+    Intermediate steps into "_mapbody" subkeys are done automatically.
+    """
+    assert path[0] == "_top"
+    path = list(path) + [name]
+    for step in path[1:]:
+        if "_mapbody" in grammar:
+            grammar = grammar["_mapbody"]
+        grammar = grammar[step]
+    return grammar
+
+
+Statement = namedtuple("Statement", ["path", "name", "subgrammar"])
+
+
+def groupby_grammar(statements):
+    """
+    Return groups of Statement tuples with identical grammars and flags.
+    See itertools.groupby.
+    """
+
+    def keyfunc(statement):
+        return sorted(statement.subgrammar.items())
+
+    groups = []
+    statements = sorted(statements, key=keyfunc)
+    for _key, group in groupby(statements, keyfunc):
+        groups.append(list(group))  # Store group iterator as a list
+    return groups
+
+
+def diff_statements(whole_grammar, places):
+    """
+    Return map {statement name: [groups of [Statement]s with identical grammar].
+    """
+    out = {}
+    for statement_name, paths in places.items():
+        grammars = []
+        for path in paths:
+            statement_grammar = get_statement_grammar(
+                whole_grammar, path, statement_name
+            )
+            grammars.append(Statement(path, statement_name, statement_grammar))
+        groups = groupby_grammar(grammars)
+        out[statement_name] = groups
+    return out
+
+
+def pformat_grammar(node, level=1):
+    """Pretty print a given grammar node in the same way as cfg_test would"""
+
+    def sortkey(item):
+        """Treat 'type' specially and always put it first, for zone types"""
+        key, _ = item
+        if key == "type":
+            return ""
+        return key
+
+    if "_grammar" in node:  # no nesting
+        assert "_id" not in node
+        assert "_mapbody" not in node
+        out = node["_grammar"] + ";"
+        if "_flags" in node:
+            out += " // " + ", ".join(node["_flags"])
+        return out + "\n"
+
+    # a nested map
+    out = ""
+    indent = level * "\t"
+    if not node.get("_ignore_this_level"):
+        if "_id" in node:
+            out += node["_id"] + " "
+        out += "{\n"
+
+    for key, subnode in sorted(node["_mapbody"].items(), key=sortkey):
+        if not subnode.get("_ignore_this_level"):
+            out += f"{indent}{subnode.get('_pprint_name', key)}"
+            inner_grammar = pformat_grammar(node["_mapbody"][key], level=level + 1)
+        else:  # act as if we were not in a map
+            inner_grammar = pformat_grammar(node["_mapbody"][key], level=level)
+        if inner_grammar[0] != ";":  # we _did_ find some arguments
+            out += " "
+        out += inner_grammar
+
+    if not node.get("_ignore_this_level"):
+        out += indent[:-1] + "};"  # unindent the closing bracket
+        if "_flags" in node:
+            out += " // " + ", ".join(node["_flags"])
+    return out + "\n"
+
+
+def main():
+    """
+    Ingest output from cfg_test --grammar and print out statements which use
+    different grammar in different contexts.
+    """
+    with fileinput.input() as filein:
+        grammar = parsegrammar.parse_mapbody(filein)
+    places = statement2block(grammar, ["_top"])
+
+    for statementname, groups in diff_statements(grammar, places).items():
+        if len(groups) > 1:
+            print(f'statement "{statementname}" is inconsistent across blocks')
+            for group in groups:
+                print(
+                    "- path:", ", ".join(" -> ".join(variant.path) for variant in group)
+                )
+                print(" ", pformat_grammar(group[0].subgrammar, level=1))
+            print()
+
+
+if __name__ == "__main__":
+    main()
diff --git a/doc/misc/delegation-only.zoneopt b/doc/misc/delegation-only.zoneopt
new file mode 100644
index 0000000..ab86327
--- /dev/null
+++ b/doc/misc/delegation-only.zoneopt
@@ -0,0 +1,3 @@
+zone <string> [ <class> ] {
+	type delegation-only;
+};
diff --git a/doc/misc/forward.zoneopt b/doc/misc/forward.zoneopt
new file mode 100644
index 0000000..069f2ce
--- /dev/null
+++ b/doc/misc/forward.zoneopt
@@ -0,0 +1,6 @@
+zone <string> [ <class> ] {
+	type forward;
+	delegation-only <boolean>; // deprecated
+	forward ( first | only );
+	forwarders [ port <integer> ]  { ( <ipv4_address> | <ipv6_address> ) [ port <integer> ]; ... };
+};
diff --git a/doc/misc/hint.zoneopt b/doc/misc/hint.zoneopt
new file mode 100644
index 0000000..d14c3ef
--- /dev/null
+++ b/doc/misc/hint.zoneopt
@@ -0,0 +1,6 @@
+zone <string> [ <class> ] {
+	type hint;
+	check-names ( fail | warn | ignore );
+	delegation-only <boolean>; // deprecated
+	file <quoted_string>;
+};
diff --git a/doc/misc/in-view.zoneopt b/doc/misc/in-view.zoneopt
new file mode 100644
index 0000000..c63c427
--- /dev/null
+++ b/doc/misc/in-view.zoneopt
@@ -0,0 +1,3 @@
+zone <string> [ <class> ] {
+	in-view <string>;
+};
diff --git a/doc/misc/mirror.zoneopt b/doc/misc/mirror.zoneopt
new file mode 100644
index 0000000..ac371cd
--- /dev/null
+++ b/doc/misc/mirror.zoneopt
@@ -0,0 +1,43 @@
+zone <string> [ <class> ] {
+	type mirror;
+	allow-notify { <address_match_element>; ... };
+	allow-query { <address_match_element>; ... };
+	allow-query-on { <address_match_element>; ... };
+	allow-transfer [ port <integer> ] [ transport <string> ] { <address_match_element>; ... };
+	allow-update-forwarding { <address_match_element>; ... };
+	also-notify [ port <integer> ]  { ( <remote-servers> | <ipv4_address> [ port <integer> ] | <ipv6_address> [ port <integer> ] ) [ key <string> ] [ tls <string> ]; ... };
+	alt-transfer-source ( <ipv4_address> | * ) ; // deprecated
+	alt-transfer-source-v6 ( <ipv6_address> | * ) ; // deprecated
+	check-names ( fail | warn | ignore );
+	database <string>;
+	file <quoted_string>;
+	ixfr-from-differences <boolean>;
+	journal <quoted_string>;
+	masterfile-format ( raw | text );
+	masterfile-style ( full | relative );
+	max-ixfr-ratio ( unlimited | <percentage> );
+	max-journal-size ( default | unlimited | <sizeval> );
+	max-records <integer>;
+	max-refresh-time <integer>;
+	max-retry-time <integer>;
+	max-transfer-idle-in <integer>;
+	max-transfer-idle-out <integer>;
+	max-transfer-time-in <integer>;
+	max-transfer-time-out <integer>;
+	min-refresh-time <integer>;
+	min-retry-time <integer>;
+	multi-master <boolean>;
+	notify ( explicit | master-only | primary-only | <boolean> );
+	notify-delay <integer>;
+	notify-source ( <ipv4_address> | * ) ;
+	notify-source-v6 ( <ipv6_address> | * ) ;
+	primaries [ port <integer> ]  { ( <remote-servers> | <ipv4_address> [ port <integer> ] | <ipv6_address> [ port <integer> ] ) [ key <string> ] [ tls <string> ]; ... };
+	request-expire <boolean>;
+	request-ixfr <boolean>;
+	transfer-source ( <ipv4_address> | * ) ;
+	transfer-source-v6 ( <ipv6_address> | * ) ;
+	try-tcp-refresh <boolean>;
+	use-alt-transfer-source <boolean>; // deprecated
+	zero-no-soa-ttl <boolean>;
+	zone-statistics ( full | terse | none | <boolean> );
+};
diff --git a/doc/misc/options b/doc/misc/options
new file mode 100644
index 0000000..e19261f
--- /dev/null
+++ b/doc/misc/options
@@ -0,0 +1,597 @@
+acl <string> { <address_match_element>; ... }; // may occur multiple times
+
+controls {
+	inet ( <ipv4_address> | <ipv6_address> | * ) [ port ( <integer> | * ) ] allow { <address_match_element>; ... } [ keys { <string>; ... } ] [ read-only <boolean> ]; // may occur multiple times
+	unix <quoted_string> perm <integer> owner <integer> group <integer> [ keys { <string>; ... } ] [ read-only <boolean> ]; // may occur multiple times
+}; // may occur multiple times
+
+dlz <string> {
+	database <string>;
+	search <boolean>;
+}; // may occur multiple times
+
+dnssec-policy <string> {
+	dnskey-ttl <duration>;
+	keys { ( csk | ksk | zsk ) [ ( key-directory ) ] lifetime <duration_or_unlimited> algorithm <string> [ <integer> ]; ... };
+	max-zone-ttl <duration>;
+	nsec3param [ iterations <integer> ] [ optout <boolean> ] [ salt-length <integer> ];
+	parent-ds-ttl <duration>;
+	parent-propagation-delay <duration>;
+	parent-registration-delay <duration>; // obsolete
+	publish-safety <duration>;
+	purge-keys <duration>;
+	retire-safety <duration>;
+	signatures-refresh <duration>;
+	signatures-validity <duration>;
+	signatures-validity-dnskey <duration>;
+	zone-propagation-delay <duration>;
+}; // may occur multiple times
+
+dyndb <string> <quoted_string> { <unspecified-text> }; // may occur multiple times
+
+http <string> {
+	endpoints { <quoted_string>; ... };
+	listener-clients <integer>;
+	streams-per-connection <integer>;
+}; // may occur multiple times
+
+key <string> {
+	algorithm <string>;
+	secret <string>;
+}; // may occur multiple times
+
+logging {
+	category <string> { <string>; ... }; // may occur multiple times
+	channel <string> {
+		buffered <boolean>;
+		file <quoted_string> [ versions ( unlimited | <integer> ) ] [ size <size> ] [ suffix ( increment | timestamp ) ];
+		null;
+		print-category <boolean>;
+		print-severity <boolean>;
+		print-time ( iso8601 | iso8601-utc | local | <boolean> );
+		severity <log_severity>;
+		stderr;
+		syslog [ <syslog_facility> ];
+	}; // may occur multiple times
+};
+
+managed-keys { <string> ( static-key | initial-key | static-ds | initial-ds ) <integer> <integer> <integer> <quoted_string>; ... }; // may occur multiple times, deprecated
+
+options {
+	allow-new-zones <boolean>;
+	allow-notify { <address_match_element>; ... };
+	allow-query { <address_match_element>; ... };
+	allow-query-cache { <address_match_element>; ... };
+	allow-query-cache-on { <address_match_element>; ... };
+	allow-query-on { <address_match_element>; ... };
+	allow-recursion { <address_match_element>; ... };
+	allow-recursion-on { <address_match_element>; ... };
+	allow-transfer [ port <integer> ] [ transport <string> ] { <address_match_element>; ... };
+	allow-update { <address_match_element>; ... };
+	allow-update-forwarding { <address_match_element>; ... };
+	also-notify [ port <integer> ]  { ( <remote-servers> | <ipv4_address> [ port <integer> ] | <ipv6_address> [ port <integer> ] ) [ key <string> ] [ tls <string> ]; ... };
+	alt-transfer-source ( <ipv4_address> | * ) ; // deprecated
+	alt-transfer-source-v6 ( <ipv6_address> | * ) ; // deprecated
+	answer-cookie <boolean>;
+	attach-cache <string>;
+	auth-nxdomain <boolean>;
+	auto-dnssec ( allow | maintain | off ); // deprecated
+	automatic-interface-scan <boolean>;
+	avoid-v4-udp-ports { <portrange>; ... }; // deprecated
+	avoid-v6-udp-ports { <portrange>; ... }; // deprecated
+	bindkeys-file <quoted_string>;
+	blackhole { <address_match_element>; ... };
+	catalog-zones { zone <string> [ default-primaries [ port <integer> ]  { ( <remote-servers> | <ipv4_address> [ port <integer> ] | <ipv6_address> [ port <integer> ] ) [ key <string> ] [ tls <string> ]; ... } ] [ zone-directory <quoted_string> ] [ in-memory <boolean> ] [ min-update-interval <duration> ]; ... };
+	check-dup-records ( fail | warn | ignore );
+	check-integrity <boolean>;
+	check-mx ( fail | warn | ignore );
+	check-mx-cname ( fail | warn | ignore );
+	check-names ( primary | master | secondary | slave | response ) ( fail | warn | ignore ); // may occur multiple times
+	check-sibling <boolean>;
+	check-spf ( warn | ignore );
+	check-srv-cname ( fail | warn | ignore );
+	check-wildcard <boolean>;
+	clients-per-query <integer>;
+	cookie-algorithm ( aes | siphash24 );
+	cookie-secret <string>; // may occur multiple times
+	coresize ( default | unlimited | <sizeval> ); // deprecated
+	datasize ( default | unlimited | <sizeval> ); // deprecated
+	deny-answer-addresses { <address_match_element>; ... } [ except-from { <string>; ... } ];
+	deny-answer-aliases { <string>; ... } [ except-from { <string>; ... } ];
+	dialup ( notify | notify-passive | passive | refresh | <boolean> ); // deprecated
+	directory <quoted_string>;
+	disable-algorithms <string> { <string>; ... }; // may occur multiple times
+	disable-ds-digests <string> { <string>; ... }; // may occur multiple times
+	disable-empty-zone <string>; // may occur multiple times
+	dns64 <netprefix> {
+		break-dnssec <boolean>;
+		clients { <address_match_element>; ... };
+		exclude { <address_match_element>; ... };
+		mapped { <address_match_element>; ... };
+		recursive-only <boolean>;
+		suffix <ipv6_address>;
+	}; // may occur multiple times
+	dns64-contact <string>;
+	dns64-server <string>;
+	dnskey-sig-validity <integer>;
+	dnsrps-enable <boolean>; // not configured
+	dnsrps-options { <unspecified-text> }; // not configured
+	dnssec-accept-expired <boolean>;
+	dnssec-dnskey-kskonly <boolean>;
+	dnssec-loadkeys-interval <integer>;
+	dnssec-must-be-secure <string> <boolean>; // may occur multiple times, deprecated
+	dnssec-policy <string>;
+	dnssec-secure-to-insecure <boolean>;
+	dnssec-update-mode ( maintain | no-resign );
+	dnssec-validation ( yes | no | auto );
+	dnstap { ( all | auth | client | forwarder | resolver | update ) [ ( query | response ) ]; ... }; // not configured
+	dnstap-identity ( <quoted_string> | none | hostname ); // not configured
+	dnstap-output ( file | unix ) <quoted_string> [ size ( unlimited | <size> ) ] [ versions ( unlimited | <integer> ) ] [ suffix ( increment | timestamp ) ]; // not configured
+	dnstap-version ( <quoted_string> | none ); // not configured
+	dscp <integer>; // obsolete
+	dual-stack-servers [ port <integer> ] { ( <quoted_string> [ port <integer> ] | <ipv4_address> [ port <integer> ] | <ipv6_address> [ port <integer> ] ); ... };
+	dump-file <quoted_string>;
+	edns-udp-size <integer>;
+	empty-contact <string>;
+	empty-server <string>;
+	empty-zones-enable <boolean>;
+	fetch-quota-params <integer> <fixedpoint> <fixedpoint> <fixedpoint>;
+	fetches-per-server <integer> [ ( drop | fail ) ];
+	fetches-per-zone <integer> [ ( drop | fail ) ];
+	files ( default | unlimited | <sizeval> ); // deprecated
+	flush-zones-on-shutdown <boolean>;
+	forward ( first | only );
+	forwarders [ port <integer> ]  { ( <ipv4_address> | <ipv6_address> ) [ port <integer> ]; ... };
+	fstrm-set-buffer-hint <integer>; // not configured
+	fstrm-set-flush-timeout <integer>; // not configured
+	fstrm-set-input-queue-size <integer>; // not configured
+	fstrm-set-output-notify-threshold <integer>; // not configured
+	fstrm-set-output-queue-model ( mpsc | spsc ); // not configured
+	fstrm-set-output-queue-size <integer>; // not configured
+	fstrm-set-reopen-interval <duration>; // not configured
+	geoip-directory ( <quoted_string> | none );
+	glue-cache <boolean>; // deprecated
+	heartbeat-interval <integer>; // deprecated
+	hostname ( <quoted_string> | none );
+	http-listener-clients <integer>;
+	http-port <integer>;
+	http-streams-per-connection <integer>;
+	https-port <integer>;
+	interface-interval <duration>;
+	ipv4only-contact <string>;
+	ipv4only-enable <boolean>;
+	ipv4only-server <string>;
+	ixfr-from-differences ( primary | master | secondary | slave | <boolean> );
+	keep-response-order { <address_match_element>; ... };
+	key-directory <quoted_string>;
+	lame-ttl <duration>;
+	listen-on [ port <integer> ] [ tls <string> ] [ http <string> ] { <address_match_element>; ... }; // may occur multiple times
+	listen-on-v6 [ port <integer> ] [ tls <string> ] [ http <string> ] { <address_match_element>; ... }; // may occur multiple times
+	lmdb-mapsize <sizeval>;
+	lock-file ( <quoted_string> | none );
+	managed-keys-directory <quoted_string>;
+	masterfile-format ( raw | text );
+	masterfile-style ( full | relative );
+	match-mapped-addresses <boolean>;
+	max-cache-size ( default | unlimited | <sizeval> | <percentage> );
+	max-cache-ttl <duration>;
+	max-clients-per-query <integer>;
+	max-ixfr-ratio ( unlimited | <percentage> );
+	max-journal-size ( default | unlimited | <sizeval> );
+	max-ncache-ttl <duration>;
+	max-records <integer>;
+	max-recursion-depth <integer>;
+	max-recursion-queries <integer>;
+	max-refresh-time <integer>;
+	max-retry-time <integer>;
+	max-rsa-exponent-size <integer>;
+	max-stale-ttl <duration>;
+	max-transfer-idle-in <integer>;
+	max-transfer-idle-out <integer>;
+	max-transfer-time-in <integer>;
+	max-transfer-time-out <integer>;
+	max-udp-size <integer>;
+	max-zone-ttl ( unlimited | <duration> );
+	memstatistics <boolean>;
+	memstatistics-file <quoted_string>;
+	message-compression <boolean>;
+	min-cache-ttl <duration>;
+	min-ncache-ttl <duration>;
+	min-refresh-time <integer>;
+	min-retry-time <integer>;
+	minimal-any <boolean>;
+	minimal-responses ( no-auth | no-auth-recursive | <boolean> );
+	multi-master <boolean>;
+	new-zones-directory <quoted_string>;
+	no-case-compress { <address_match_element>; ... };
+	nocookie-udp-size <integer>;
+	notify ( explicit | master-only | primary-only | <boolean> );
+	notify-delay <integer>;
+	notify-rate <integer>;
+	notify-source ( <ipv4_address> | * ) ;
+	notify-source-v6 ( <ipv6_address> | * ) ;
+	notify-to-soa <boolean>;
+	nsec3-test-zone <boolean>; // test only
+	nta-lifetime <duration>;
+	nta-recheck <duration>;
+	nxdomain-redirect <string>;
+	parental-source ( <ipv4_address> | * ) ;
+	parental-source-v6 ( <ipv6_address> | * ) ;
+	pid-file ( <quoted_string> | none );
+	port <integer>;
+	preferred-glue <string>;
+	prefetch <integer> [ <integer> ];
+	provide-ixfr <boolean>;
+	qname-minimization ( strict | relaxed | disabled | off );
+	query-source [ address ] ( <ipv4_address> | * );
+	query-source-v6 [ address ] ( <ipv6_address> | * );
+	querylog <boolean>;
+	random-device ( <quoted_string> | none ); // obsolete
+	rate-limit {
+		all-per-second <integer>;
+		errors-per-second <integer>;
+		exempt-clients { <address_match_element>; ... };
+		ipv4-prefix-length <integer>;
+		ipv6-prefix-length <integer>;
+		log-only <boolean>;
+		max-table-size <integer>;
+		min-table-size <integer>;
+		nodata-per-second <integer>;
+		nxdomains-per-second <integer>;
+		qps-scale <integer>;
+		referrals-per-second <integer>;
+		responses-per-second <integer>;
+		slip <integer>;
+		window <integer>;
+	};
+	recursing-file <quoted_string>;
+	recursion <boolean>;
+	recursive-clients <integer>;
+	request-expire <boolean>;
+	request-ixfr <boolean>;
+	request-nsid <boolean>;
+	require-server-cookie <boolean>;
+	reserved-sockets <integer>; // deprecated
+	resolver-nonbackoff-tries <integer>;
+	resolver-query-timeout <integer>;
+	resolver-retry-interval <integer>;
+	response-padding { <address_match_element>; ... } block-size <integer>;
+	response-policy { zone <string> [ add-soa <boolean> ] [ log <boolean> ] [ max-policy-ttl <duration> ] [ min-update-interval <duration> ] [ policy ( cname | disabled | drop | given | no-op | nodata | nxdomain | passthru | tcp-only <quoted_string> ) ] [ recursive-only <boolean> ] [ nsip-enable <boolean> ] [ nsdname-enable <boolean> ]; ... } [ add-soa <boolean> ] [ break-dnssec <boolean> ] [ max-policy-ttl <duration> ] [ min-update-interval <duration> ] [ min-ns-dots <integer> ] [ nsip-wait-recurse <boolean> ] [ nsdname-wait-recurse <boolean> ] [ qname-wait-recurse <boolean> ] [ recursive-only <boolean> ] [ nsip-enable <boolean> ] [ nsdname-enable <boolean> ] [ dnsrps-enable <boolean> ] [ dnsrps-options { <unspecified-text> } ];
+	reuseport <boolean>;
+	root-delegation-only [ exclude { <string>; ... } ]; // deprecated
+	root-key-sentinel <boolean>;
+	rrset-order { [ class <string> ] [ type <string> ] [ name <quoted_string> ] <string> <string>; ... };
+	secroots-file <quoted_string>;
+	send-cookie <boolean>;
+	serial-query-rate <integer>;
+	serial-update-method ( date | increment | unixtime );
+	server-id ( <quoted_string> | none | hostname );
+	servfail-ttl <duration>;
+	session-keyalg <string>;
+	session-keyfile ( <quoted_string> | none );
+	session-keyname <string>;
+	sig-signing-nodes <integer>;
+	sig-signing-signatures <integer>;
+	sig-signing-type <integer>;
+	sig-validity-interval <integer> [ <integer> ];
+	sortlist { <address_match_element>; ... };
+	stacksize ( default | unlimited | <sizeval> ); // deprecated
+	stale-answer-client-timeout ( disabled | off | <integer> );
+	stale-answer-enable <boolean>;
+	stale-answer-ttl <duration>;
+	stale-cache-enable <boolean>;
+	stale-refresh-time <duration>;
+	startup-notify-rate <integer>;
+	statistics-file <quoted_string>;
+	suppress-initial-notify <boolean>; // obsolete
+	synth-from-dnssec <boolean>;
+	tcp-advertised-timeout <integer>;
+	tcp-clients <integer>;
+	tcp-idle-timeout <integer>;
+	tcp-initial-timeout <integer>;
+	tcp-keepalive-timeout <integer>;
+	tcp-listen-queue <integer>;
+	tcp-receive-buffer <integer>;
+	tcp-send-buffer <integer>;
+	tkey-dhkey <quoted_string> <integer>; // deprecated
+	tkey-domain <quoted_string>;
+	tkey-gssapi-credential <quoted_string>;
+	tkey-gssapi-keytab <quoted_string>;
+	tls-port <integer>;
+	transfer-format ( many-answers | one-answer );
+	transfer-message-size <integer>;
+	transfer-source ( <ipv4_address> | * ) ;
+	transfer-source-v6 ( <ipv6_address> | * ) ;
+	transfers-in <integer>;
+	transfers-out <integer>;
+	transfers-per-ns <integer>;
+	trust-anchor-telemetry <boolean>; // experimental
+	try-tcp-refresh <boolean>;
+	udp-receive-buffer <integer>;
+	udp-send-buffer <integer>;
+	update-check-ksk <boolean>;
+	update-quota <integer>;
+	use-alt-transfer-source <boolean>; // deprecated
+	use-v4-udp-ports { <portrange>; ... }; // deprecated
+	use-v6-udp-ports { <portrange>; ... }; // deprecated
+	v6-bias <integer>;
+	validate-except { <string>; ... };
+	version ( <quoted_string> | none );
+	zero-no-soa-ttl <boolean>;
+	zero-no-soa-ttl-cache <boolean>;
+	zone-statistics ( full | terse | none | <boolean> );
+};
+
+parental-agents <string> [ port <integer> ]  { ( <remote-servers> | <ipv4_address> [ port <integer> ] | <ipv6_address> [ port <integer> ] ) [ key <string> ] [ tls <string> ]; ... }; // may occur multiple times
+
+plugin ( query ) <string> [ { <unspecified-text> } ]; // may occur multiple times
+
+primaries <string> [ port <integer> ]  { ( <remote-servers> | <ipv4_address> [ port <integer> ] | <ipv6_address> [ port <integer> ] ) [ key <string> ] [ tls <string> ]; ... }; // may occur multiple times
+
+server <netprefix> {
+	bogus <boolean>;
+	edns <boolean>;
+	edns-udp-size <integer>;
+	edns-version <integer>;
+	keys <server_key>;
+	max-udp-size <integer>;
+	notify-source ( <ipv4_address> | * ) ;
+	notify-source-v6 ( <ipv6_address> | * ) ;
+	padding <integer>;
+	provide-ixfr <boolean>;
+	query-source [ address ] ( <ipv4_address> | * );
+	query-source-v6 [ address ] ( <ipv6_address> | * );
+	request-expire <boolean>;
+	request-ixfr <boolean>;
+	request-nsid <boolean>;
+	send-cookie <boolean>;
+	tcp-keepalive <boolean>;
+	tcp-only <boolean>;
+	transfer-format ( many-answers | one-answer );
+	transfer-source ( <ipv4_address> | * ) ;
+	transfer-source-v6 ( <ipv6_address> | * ) ;
+	transfers <integer>;
+}; // may occur multiple times
+
+statistics-channels {
+	inet ( <ipv4_address> | <ipv6_address> | * ) [ port ( <integer> | * ) ] [ allow { <address_match_element>; ... } ]; // may occur multiple times
+}; // may occur multiple times
+
+tls <string> {
+	ca-file <quoted_string>;
+	cert-file <quoted_string>;
+	ciphers <string>;
+	dhparam-file <quoted_string>;
+	key-file <quoted_string>;
+	prefer-server-ciphers <boolean>;
+	protocols { <string>; ... };
+	remote-hostname <quoted_string>;
+	session-tickets <boolean>;
+}; // may occur multiple times
+
+trust-anchors { <string> ( static-key | initial-key | static-ds | initial-ds ) <integer> <integer> <integer> <quoted_string>; ... }; // may occur multiple times
+
+trusted-keys { <string> <integer> <integer> <integer> <quoted_string>; ... }; // may occur multiple times, deprecated
+
+view <string> [ <class> ] {
+	allow-new-zones <boolean>;
+	allow-notify { <address_match_element>; ... };
+	allow-query { <address_match_element>; ... };
+	allow-query-cache { <address_match_element>; ... };
+	allow-query-cache-on { <address_match_element>; ... };
+	allow-query-on { <address_match_element>; ... };
+	allow-recursion { <address_match_element>; ... };
+	allow-recursion-on { <address_match_element>; ... };
+	allow-transfer [ port <integer> ] [ transport <string> ] { <address_match_element>; ... };
+	allow-update { <address_match_element>; ... };
+	allow-update-forwarding { <address_match_element>; ... };
+	also-notify [ port <integer> ]  { ( <remote-servers> | <ipv4_address> [ port <integer> ] | <ipv6_address> [ port <integer> ] ) [ key <string> ] [ tls <string> ]; ... };
+	alt-transfer-source ( <ipv4_address> | * ) ; // deprecated
+	alt-transfer-source-v6 ( <ipv6_address> | * ) ; // deprecated
+	attach-cache <string>;
+	auth-nxdomain <boolean>;
+	auto-dnssec ( allow | maintain | off ); // deprecated
+	catalog-zones { zone <string> [ default-primaries [ port <integer> ]  { ( <remote-servers> | <ipv4_address> [ port <integer> ] | <ipv6_address> [ port <integer> ] ) [ key <string> ] [ tls <string> ]; ... } ] [ zone-directory <quoted_string> ] [ in-memory <boolean> ] [ min-update-interval <duration> ]; ... };
+	check-dup-records ( fail | warn | ignore );
+	check-integrity <boolean>;
+	check-mx ( fail | warn | ignore );
+	check-mx-cname ( fail | warn | ignore );
+	check-names ( primary | master | secondary | slave | response ) ( fail | warn | ignore ); // may occur multiple times
+	check-sibling <boolean>;
+	check-spf ( warn | ignore );
+	check-srv-cname ( fail | warn | ignore );
+	check-wildcard <boolean>;
+	clients-per-query <integer>;
+	deny-answer-addresses { <address_match_element>; ... } [ except-from { <string>; ... } ];
+	deny-answer-aliases { <string>; ... } [ except-from { <string>; ... } ];
+	dialup ( notify | notify-passive | passive | refresh | <boolean> ); // deprecated
+	disable-algorithms <string> { <string>; ... }; // may occur multiple times
+	disable-ds-digests <string> { <string>; ... }; // may occur multiple times
+	disable-empty-zone <string>; // may occur multiple times
+	dlz <string> {
+		database <string>;
+		search <boolean>;
+	}; // may occur multiple times
+	dns64 <netprefix> {
+		break-dnssec <boolean>;
+		clients { <address_match_element>; ... };
+		exclude { <address_match_element>; ... };
+		mapped { <address_match_element>; ... };
+		recursive-only <boolean>;
+		suffix <ipv6_address>;
+	}; // may occur multiple times
+	dns64-contact <string>;
+	dns64-server <string>;
+	dnskey-sig-validity <integer>;
+	dnsrps-enable <boolean>; // not configured
+	dnsrps-options { <unspecified-text> }; // not configured
+	dnssec-accept-expired <boolean>;
+	dnssec-dnskey-kskonly <boolean>;
+	dnssec-loadkeys-interval <integer>;
+	dnssec-must-be-secure <string> <boolean>; // may occur multiple times, deprecated
+	dnssec-policy <string>;
+	dnssec-secure-to-insecure <boolean>;
+	dnssec-update-mode ( maintain | no-resign );
+	dnssec-validation ( yes | no | auto );
+	dnstap { ( all | auth | client | forwarder | resolver | update ) [ ( query | response ) ]; ... }; // not configured
+	dual-stack-servers [ port <integer> ] { ( <quoted_string> [ port <integer> ] | <ipv4_address> [ port <integer> ] | <ipv6_address> [ port <integer> ] ); ... };
+	dyndb <string> <quoted_string> { <unspecified-text> }; // may occur multiple times
+	edns-udp-size <integer>;
+	empty-contact <string>;
+	empty-server <string>;
+	empty-zones-enable <boolean>;
+	fetch-quota-params <integer> <fixedpoint> <fixedpoint> <fixedpoint>;
+	fetches-per-server <integer> [ ( drop | fail ) ];
+	fetches-per-zone <integer> [ ( drop | fail ) ];
+	forward ( first | only );
+	forwarders [ port <integer> ]  { ( <ipv4_address> | <ipv6_address> ) [ port <integer> ]; ... };
+	glue-cache <boolean>; // deprecated
+	ipv4only-contact <string>;
+	ipv4only-enable <boolean>;
+	ipv4only-server <string>;
+	ixfr-from-differences ( primary | master | secondary | slave | <boolean> );
+	key <string> {
+		algorithm <string>;
+		secret <string>;
+	}; // may occur multiple times
+	key-directory <quoted_string>;
+	lame-ttl <duration>;
+	lmdb-mapsize <sizeval>;
+	managed-keys { <string> ( static-key | initial-key | static-ds | initial-ds ) <integer> <integer> <integer> <quoted_string>; ... }; // may occur multiple times, deprecated
+	masterfile-format ( raw | text );
+	masterfile-style ( full | relative );
+	match-clients { <address_match_element>; ... };
+	match-destinations { <address_match_element>; ... };
+	match-recursive-only <boolean>;
+	max-cache-size ( default | unlimited | <sizeval> | <percentage> );
+	max-cache-ttl <duration>;
+	max-clients-per-query <integer>;
+	max-ixfr-ratio ( unlimited | <percentage> );
+	max-journal-size ( default | unlimited | <sizeval> );
+	max-ncache-ttl <duration>;
+	max-records <integer>;
+	max-recursion-depth <integer>;
+	max-recursion-queries <integer>;
+	max-refresh-time <integer>;
+	max-retry-time <integer>;
+	max-stale-ttl <duration>;
+	max-transfer-idle-in <integer>;
+	max-transfer-idle-out <integer>;
+	max-transfer-time-in <integer>;
+	max-transfer-time-out <integer>;
+	max-udp-size <integer>;
+	max-zone-ttl ( unlimited | <duration> );
+	message-compression <boolean>;
+	min-cache-ttl <duration>;
+	min-ncache-ttl <duration>;
+	min-refresh-time <integer>;
+	min-retry-time <integer>;
+	minimal-any <boolean>;
+	minimal-responses ( no-auth | no-auth-recursive | <boolean> );
+	multi-master <boolean>;
+	new-zones-directory <quoted_string>;
+	no-case-compress { <address_match_element>; ... };
+	nocookie-udp-size <integer>;
+	notify ( explicit | master-only | primary-only | <boolean> );
+	notify-delay <integer>;
+	notify-source ( <ipv4_address> | * ) ;
+	notify-source-v6 ( <ipv6_address> | * ) ;
+	notify-to-soa <boolean>;
+	nsec3-test-zone <boolean>; // test only
+	nta-lifetime <duration>;
+	nta-recheck <duration>;
+	nxdomain-redirect <string>;
+	parental-source ( <ipv4_address> | * ) ;
+	parental-source-v6 ( <ipv6_address> | * ) ;
+	plugin ( query ) <string> [ { <unspecified-text> } ]; // may occur multiple times
+	preferred-glue <string>;
+	prefetch <integer> [ <integer> ];
+	provide-ixfr <boolean>;
+	qname-minimization ( strict | relaxed | disabled | off );
+	query-source [ address ] ( <ipv4_address> | * );
+	query-source-v6 [ address ] ( <ipv6_address> | * );
+	rate-limit {
+		all-per-second <integer>;
+		errors-per-second <integer>;
+		exempt-clients { <address_match_element>; ... };
+		ipv4-prefix-length <integer>;
+		ipv6-prefix-length <integer>;
+		log-only <boolean>;
+		max-table-size <integer>;
+		min-table-size <integer>;
+		nodata-per-second <integer>;
+		nxdomains-per-second <integer>;
+		qps-scale <integer>;
+		referrals-per-second <integer>;
+		responses-per-second <integer>;
+		slip <integer>;
+		window <integer>;
+	};
+	recursion <boolean>;
+	request-expire <boolean>;
+	request-ixfr <boolean>;
+	request-nsid <boolean>;
+	require-server-cookie <boolean>;
+	resolver-nonbackoff-tries <integer>;
+	resolver-query-timeout <integer>;
+	resolver-retry-interval <integer>;
+	response-padding { <address_match_element>; ... } block-size <integer>;
+	response-policy { zone <string> [ add-soa <boolean> ] [ log <boolean> ] [ max-policy-ttl <duration> ] [ min-update-interval <duration> ] [ policy ( cname | disabled | drop | given | no-op | nodata | nxdomain | passthru | tcp-only <quoted_string> ) ] [ recursive-only <boolean> ] [ nsip-enable <boolean> ] [ nsdname-enable <boolean> ]; ... } [ add-soa <boolean> ] [ break-dnssec <boolean> ] [ max-policy-ttl <duration> ] [ min-update-interval <duration> ] [ min-ns-dots <integer> ] [ nsip-wait-recurse <boolean> ] [ nsdname-wait-recurse <boolean> ] [ qname-wait-recurse <boolean> ] [ recursive-only <boolean> ] [ nsip-enable <boolean> ] [ nsdname-enable <boolean> ] [ dnsrps-enable <boolean> ] [ dnsrps-options { <unspecified-text> } ];
+	root-delegation-only [ exclude { <string>; ... } ]; // deprecated
+	root-key-sentinel <boolean>;
+	rrset-order { [ class <string> ] [ type <string> ] [ name <quoted_string> ] <string> <string>; ... };
+	send-cookie <boolean>;
+	serial-update-method ( date | increment | unixtime );
+	server <netprefix> {
+		bogus <boolean>;
+		edns <boolean>;
+		edns-udp-size <integer>;
+		edns-version <integer>;
+		keys <server_key>;
+		max-udp-size <integer>;
+		notify-source ( <ipv4_address> | * ) ;
+		notify-source-v6 ( <ipv6_address> | * ) ;
+		padding <integer>;
+		provide-ixfr <boolean>;
+		query-source [ address ] ( <ipv4_address> | * );
+		query-source-v6 [ address ] ( <ipv6_address> | * );
+		request-expire <boolean>;
+		request-ixfr <boolean>;
+		request-nsid <boolean>;
+		send-cookie <boolean>;
+		tcp-keepalive <boolean>;
+		tcp-only <boolean>;
+		transfer-format ( many-answers | one-answer );
+		transfer-source ( <ipv4_address> | * ) ;
+		transfer-source-v6 ( <ipv6_address> | * ) ;
+		transfers <integer>;
+	}; // may occur multiple times
+	servfail-ttl <duration>;
+	sig-signing-nodes <integer>;
+	sig-signing-signatures <integer>;
+	sig-signing-type <integer>;
+	sig-validity-interval <integer> [ <integer> ];
+	sortlist { <address_match_element>; ... };
+	stale-answer-client-timeout ( disabled | off | <integer> );
+	stale-answer-enable <boolean>;
+	stale-answer-ttl <duration>;
+	stale-cache-enable <boolean>;
+	stale-refresh-time <duration>;
+	suppress-initial-notify <boolean>; // obsolete
+	synth-from-dnssec <boolean>;
+	transfer-format ( many-answers | one-answer );
+	transfer-source ( <ipv4_address> | * ) ;
+	transfer-source-v6 ( <ipv6_address> | * ) ;
+	trust-anchor-telemetry <boolean>; // experimental
+	trust-anchors { <string> ( static-key | initial-key | static-ds | initial-ds ) <integer> <integer> <integer> <quoted_string>; ... }; // may occur multiple times
+	trusted-keys { <string> <integer> <integer> <integer> <quoted_string>; ... }; // may occur multiple times, deprecated
+	try-tcp-refresh <boolean>;
+	update-check-ksk <boolean>;
+	use-alt-transfer-source <boolean>; // deprecated
+	v6-bias <integer>;
+	validate-except { <string>; ... };
+	zero-no-soa-ttl <boolean>;
+	zero-no-soa-ttl-cache <boolean>;
+	zone-statistics ( full | terse | none | <boolean> );
+}; // may occur multiple times
+
diff --git a/doc/misc/parsegrammar.py b/doc/misc/parsegrammar.py
new file mode 100644
index 0000000..b3fede0
--- /dev/null
+++ b/doc/misc/parsegrammar.py
@@ -0,0 +1,194 @@
+############################################################################
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+############################################################################
+
+"""
+Read ISC config grammar description produced by "cfg_test --grammar",
+transform it into JSON, and print it to stdout.
+
+Beware: This parser is pretty dumb and heavily depends on cfg_test output
+format. See parse_mapbody() for more details.
+
+Maps are recursively parsed into sub-dicts, all other elements (lists etc.)
+are left intact and returned as one string.
+
+Output example from named.conf grammar showing three variants follow.
+Keys "_flags" and "_id" are present only if non-empty. Key "_grammar" denotes
+end node, key "_mapbody" denotes a nested map.
+
+{
+    "acl": {
+        "_flags": [
+            "may occur multiple times"
+        ],
+        "_grammar": "<string> { <address_match_element>; ... }"
+    },
+    "http": {
+        "_flags": [
+            "may occur multiple times"
+        ],
+        "_id": "<string>",
+        "_mapbody": {
+            "endpoints": {
+                "_grammar": "{ <quoted_string>; ... }"
+            },
+            "streams-per-connection": {
+                "_grammar": "<integer>"
+            }
+        }
+    },
+    "options": {
+        "_mapbody": {
+            "rate-limit": {
+                "_mapbody": {
+                    "all-per-second": {
+                        "_grammar": "<integer>"
+                    }
+                }
+            }
+        }
+    }
+}
+"""
+import fileinput
+import json
+import re
+
+FLAGS = [
+    "may occur multiple times",
+    "obsolete",
+    "deprecated",
+    "experimental",
+    "test only",
+]
+
+KEY_REGEX = re.compile("[a-zA-Z0-9-]+")
+
+
+def split_comments(line):
+    """Split line on comment boundary and strip right-side whitespace.
+    Supports only #, //, and /* comments which end at the end of line.
+    It does NOT handle:
+    - quoted strings
+    - /* comments which do not end at line boundary
+    - multiple /* comments on a single line
+    """
+    assert '"' not in line, 'lines with " are not supported'
+    data_end_idx = len(line)
+    for delimiter in ["#", "//", "/*"]:
+        try:
+            data_end_idx = min(line.index(delimiter), data_end_idx)
+        except ValueError:
+            continue
+        if delimiter == "/*":
+            # sanity checks
+            if not line.rstrip().endswith("*/"):
+                raise NotImplementedError(
+                    "unsupported /* comment, does not end at the end of line", line
+                )
+            if "/*" in line[data_end_idx + 1 :]:
+                raise NotImplementedError(
+                    "unsupported line with multiple /* comments", line
+                )
+
+    noncomment = line[:data_end_idx]
+    comment = line[data_end_idx:]
+    return noncomment, comment
+
+
+def parse_line(filein):
+    """Consume single line from input, return non-comment and comment."""
+    for line in filein:
+        line, comment = split_comments(line)
+        line = line.strip()
+        comment = comment.strip()
+        if not line:
+            continue
+        yield line, comment
+
+
+def parse_flags(comments):
+    """Extract known flags from comments. Must match exact strings used by cfg_test."""
+    out = []
+    for flag in FLAGS:
+        if flag in comments:
+            out.append(flag)
+    return out
+
+
+def parse_mapbody(filein):
+    """Parse body of a "map" in ISC config format.
+
+    Input lines can be only:
+    - whitespace & comments only -> ignore
+    - <keyword> <anything>; -> store <anything> as "_grammar" for this keyword
+    - <keyword> <anything> { -> parse sub-map and store (optional) <anything> as "_id",
+                                producing nested dict under "_mapbody"
+    Also store known strings found at the end of line in "_flags".
+
+    Returns:
+    - tuple (map dict, map comment) when }; line is reached
+    - map dict when we run out of lines without the closing };
+    """
+    thismap = {}
+    for line, comment in parse_line(filein):
+        flags = parse_flags(comment)
+        if line == "};":  # end of a nested map
+            return thismap, flags
+
+        # first word - a map key name
+        # beware: some statements do not have parameters, e.g. "null;"
+        key = line.split()[0].rstrip(";")
+        # map key sanity check
+        if not KEY_REGEX.fullmatch(key):
+            raise NotImplementedError("suspicious keyword detected", line)
+
+        # omit keyword from the grammar
+        grammar = line[len(key) :].strip()
+        # also skip final ; or {
+        grammar = grammar[:-1].strip()
+
+        thismap[key] = {}
+        if line.endswith("{"):
+            # nested map, recurse, but keep "extra identifiers" if any
+            try:
+                subkeys, flags = parse_mapbody(filein)
+            except ValueError:
+                raise ValueError("unfinished nested map, missing }; detected") from None
+            if flags:
+                thismap[key]["_flags"] = flags
+            if grammar:
+                # for lines which look like "view <name> {" store "<name>"
+                thismap[key]["_id"] = grammar
+            thismap[key]["_mapbody"] = subkeys
+        else:
+            assert line.endswith(";")
+            if flags:
+                thismap[key]["_flags"] = flags
+            thismap[key]["_grammar"] = grammar
+
+    # Ran out of lines: can happen only on the end of the top-level map-body!
+    # Intentionally do not return second parameter to cause ValueError
+    # if we reach this spot with a missing }; in a nested map.
+    assert len(thismap)
+    return thismap
+
+
+def main():
+    """Read stdin or filename provided on command line"""
+    with fileinput.input() as filein:
+        grammar = parse_mapbody(filein)
+    print(json.dumps(grammar, indent=4))
+
+
+if __name__ == "__main__":
+    main()
diff --git a/doc/misc/primary.zoneopt b/doc/misc/primary.zoneopt
new file mode 100644
index 0000000..8f646e3
--- /dev/null
+++ b/doc/misc/primary.zoneopt
@@ -0,0 +1,62 @@
+zone <string> [ <class> ] {
+	type primary;
+	allow-query { <address_match_element>; ... };
+	allow-query-on { <address_match_element>; ... };
+	allow-transfer [ port <integer> ] [ transport <string> ] { <address_match_element>; ... };
+	allow-update { <address_match_element>; ... };
+	also-notify [ port <integer> ]  { ( <remote-servers> | <ipv4_address> [ port <integer> ] | <ipv6_address> [ port <integer> ] ) [ key <string> ] [ tls <string> ]; ... };
+	alt-transfer-source ( <ipv4_address> | * ) ; // deprecated
+	alt-transfer-source-v6 ( <ipv6_address> | * ) ; // deprecated
+	auto-dnssec ( allow | maintain | off ); // deprecated
+	check-dup-records ( fail | warn | ignore );
+	check-integrity <boolean>;
+	check-mx ( fail | warn | ignore );
+	check-mx-cname ( fail | warn | ignore );
+	check-names ( fail | warn | ignore );
+	check-sibling <boolean>;
+	check-spf ( warn | ignore );
+	check-srv-cname ( fail | warn | ignore );
+	check-wildcard <boolean>;
+	database <string>;
+	dialup ( notify | notify-passive | passive | refresh | <boolean> ); // deprecated
+	dlz <string>;
+	dnskey-sig-validity <integer>;
+	dnssec-dnskey-kskonly <boolean>;
+	dnssec-loadkeys-interval <integer>;
+	dnssec-policy <string>;
+	dnssec-secure-to-insecure <boolean>;
+	dnssec-update-mode ( maintain | no-resign );
+	file <quoted_string>;
+	forward ( first | only );
+	forwarders [ port <integer> ]  { ( <ipv4_address> | <ipv6_address> ) [ port <integer> ]; ... };
+	inline-signing <boolean>;
+	ixfr-from-differences <boolean>;
+	journal <quoted_string>;
+	key-directory <quoted_string>;
+	masterfile-format ( raw | text );
+	masterfile-style ( full | relative );
+	max-ixfr-ratio ( unlimited | <percentage> );
+	max-journal-size ( default | unlimited | <sizeval> );
+	max-records <integer>;
+	max-transfer-idle-out <integer>;
+	max-transfer-time-out <integer>;
+	max-zone-ttl ( unlimited | <duration> );
+	notify ( explicit | master-only | primary-only | <boolean> );
+	notify-delay <integer>;
+	notify-source ( <ipv4_address> | * ) ;
+	notify-source-v6 ( <ipv6_address> | * ) ;
+	notify-to-soa <boolean>;
+	nsec3-test-zone <boolean>; // test only
+	parental-agents [ port <integer> ]  { ( <remote-servers> | <ipv4_address> [ port <integer> ] | <ipv6_address> [ port <integer> ] ) [ key <string> ] [ tls <string> ]; ... };
+	parental-source ( <ipv4_address> | * ) ;
+	parental-source-v6 ( <ipv6_address> | * ) ;
+	serial-update-method ( date | increment | unixtime );
+	sig-signing-nodes <integer>;
+	sig-signing-signatures <integer>;
+	sig-signing-type <integer>;
+	sig-validity-interval <integer> [ <integer> ];
+	update-check-ksk <boolean>;
+	update-policy ( local | { ( deny | grant ) <string> ( 6to4-self | external | krb5-self | krb5-selfsub | krb5-subdomain | krb5-subdomain-self-rhs | ms-self | ms-selfsub | ms-subdomain | ms-subdomain-self-rhs | name | self | selfsub | selfwild | subdomain | tcp-self | wildcard | zonesub ) [ <string> ] <rrtypelist>; ... } );
+	zero-no-soa-ttl <boolean>;
+	zone-statistics ( full | terse | none | <boolean> );
+};
diff --git a/doc/misc/redirect.zoneopt b/doc/misc/redirect.zoneopt
new file mode 100644
index 0000000..bcd9a57
--- /dev/null
+++ b/doc/misc/redirect.zoneopt
@@ -0,0 +1,13 @@
+zone <string> [ <class> ] {
+	type redirect;
+	allow-query { <address_match_element>; ... };
+	allow-query-on { <address_match_element>; ... };
+	dlz <string>;
+	file <quoted_string>;
+	masterfile-format ( raw | text );
+	masterfile-style ( full | relative );
+	max-records <integer>;
+	max-zone-ttl ( unlimited | <duration> );
+	primaries [ port <integer> ]  { ( <remote-servers> | <ipv4_address> [ port <integer> ] | <ipv6_address> [ port <integer> ] ) [ key <string> ] [ tls <string> ]; ... };
+	zone-statistics ( full | terse | none | <boolean> );
+};
diff --git a/doc/misc/rndc.grammar b/doc/misc/rndc.grammar
new file mode 100644
index 0000000..9d5604f
--- /dev/null
+++ b/doc/misc/rndc.grammar
@@ -0,0 +1,21 @@
+key <string> {
+	algorithm <string>;
+	secret <string>;
+}; // may occur multiple times
+
+options {
+	default-key <string>;
+	default-port <integer>;
+	default-server <string>;
+	default-source-address ( <ipv4_address> | * );
+	default-source-address-v6 ( <ipv6_address> | * );
+};
+
+server <string> {
+	addresses { ( <quoted_string> [ port <integer> ] | <ipv4_address> [ port <integer> ] | <ipv6_address> [ port <integer> ] ); ... };
+	key <string>;
+	port <integer>;
+	source-address ( <ipv4_address> | * );
+	source-address-v6 ( <ipv6_address> | * );
+}; // may occur multiple times
+
diff --git a/doc/misc/secondary.zoneopt b/doc/misc/secondary.zoneopt
new file mode 100644
index 0000000..3237aab
--- /dev/null
+++ b/doc/misc/secondary.zoneopt
@@ -0,0 +1,65 @@
+zone <string> [ <class> ] {
+	type secondary;
+	allow-notify { <address_match_element>; ... };
+	allow-query { <address_match_element>; ... };
+	allow-query-on { <address_match_element>; ... };
+	allow-transfer [ port <integer> ] [ transport <string> ] { <address_match_element>; ... };
+	allow-update-forwarding { <address_match_element>; ... };
+	also-notify [ port <integer> ]  { ( <remote-servers> | <ipv4_address> [ port <integer> ] | <ipv6_address> [ port <integer> ] ) [ key <string> ] [ tls <string> ]; ... };
+	alt-transfer-source ( <ipv4_address> | * ) ; // deprecated
+	alt-transfer-source-v6 ( <ipv6_address> | * ) ; // deprecated
+	auto-dnssec ( allow | maintain | off ); // deprecated
+	check-names ( fail | warn | ignore );
+	database <string>;
+	dialup ( notify | notify-passive | passive | refresh | <boolean> ); // deprecated
+	dlz <string>;
+	dnskey-sig-validity <integer>;
+	dnssec-dnskey-kskonly <boolean>;
+	dnssec-loadkeys-interval <integer>;
+	dnssec-policy <string>;
+	dnssec-update-mode ( maintain | no-resign );
+	file <quoted_string>;
+	forward ( first | only );
+	forwarders [ port <integer> ]  { ( <ipv4_address> | <ipv6_address> ) [ port <integer> ]; ... };
+	inline-signing <boolean>;
+	ixfr-from-differences <boolean>;
+	journal <quoted_string>;
+	key-directory <quoted_string>;
+	masterfile-format ( raw | text );
+	masterfile-style ( full | relative );
+	max-ixfr-ratio ( unlimited | <percentage> );
+	max-journal-size ( default | unlimited | <sizeval> );
+	max-records <integer>;
+	max-refresh-time <integer>;
+	max-retry-time <integer>;
+	max-transfer-idle-in <integer>;
+	max-transfer-idle-out <integer>;
+	max-transfer-time-in <integer>;
+	max-transfer-time-out <integer>;
+	min-refresh-time <integer>;
+	min-retry-time <integer>;
+	multi-master <boolean>;
+	notify ( explicit | master-only | primary-only | <boolean> );
+	notify-delay <integer>;
+	notify-source ( <ipv4_address> | * ) ;
+	notify-source-v6 ( <ipv6_address> | * ) ;
+	notify-to-soa <boolean>;
+	nsec3-test-zone <boolean>; // test only
+	parental-agents [ port <integer> ]  { ( <remote-servers> | <ipv4_address> [ port <integer> ] | <ipv6_address> [ port <integer> ] ) [ key <string> ] [ tls <string> ]; ... };
+	parental-source ( <ipv4_address> | * ) ;
+	parental-source-v6 ( <ipv6_address> | * ) ;
+	primaries [ port <integer> ]  { ( <remote-servers> | <ipv4_address> [ port <integer> ] | <ipv6_address> [ port <integer> ] ) [ key <string> ] [ tls <string> ]; ... };
+	request-expire <boolean>;
+	request-ixfr <boolean>;
+	sig-signing-nodes <integer>;
+	sig-signing-signatures <integer>;
+	sig-signing-type <integer>;
+	sig-validity-interval <integer> [ <integer> ];
+	transfer-source ( <ipv4_address> | * ) ;
+	transfer-source-v6 ( <ipv6_address> | * ) ;
+	try-tcp-refresh <boolean>;
+	update-check-ksk <boolean>;
+	use-alt-transfer-source <boolean>; // deprecated
+	zero-no-soa-ttl <boolean>;
+	zone-statistics ( full | terse | none | <boolean> );
+};
diff --git a/doc/misc/sort-options.pl b/doc/misc/sort-options.pl
new file mode 100644
index 0000000..f60b0b7
--- /dev/null
+++ b/doc/misc/sort-options.pl
@@ -0,0 +1,45 @@
+#!/bin/perl
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+sub sortlevel() {
+	my @options = ();
+	my $fin = "";
+	my $i = 0;
+	while (<>) {
+		if (/^\s*};$/ || /^\s*}; \/\/.*$/) {
+			$fin = $_;
+			# print 2, $_;
+			last;
+		}
+		next if (/^$/);
+		if (/{$/) {
+			# print 3, $_;
+			my $sec = $_;
+			push(@options, $sec . sortlevel());
+		} else {
+			push(@options, $_);
+			# print 1, $_;
+		}
+		$i++;
+	}
+	my $result = "";
+	foreach my $i (sort @options) {
+		$result = ${result}.${i};
+		$result = $result."\n" if ($i =~ /^[a-z]/i);
+		# print 5, ${i};
+	}
+	$result = ${result}.${fin};
+	return ($result);
+}
+
+print sortlevel();
diff --git a/doc/misc/static-stub.zoneopt b/doc/misc/static-stub.zoneopt
new file mode 100644
index 0000000..5357528
--- /dev/null
+++ b/doc/misc/static-stub.zoneopt
@@ -0,0 +1,11 @@
+zone <string> [ <class> ] {
+	type static-stub;
+	allow-query { <address_match_element>; ... };
+	allow-query-on { <address_match_element>; ... };
+	forward ( first | only );
+	forwarders [ port <integer> ]  { ( <ipv4_address> | <ipv6_address> ) [ port <integer> ]; ... };
+	max-records <integer>;
+	server-addresses { ( <ipv4_address> | <ipv6_address> ); ... };
+	server-names { <string>; ... };
+	zone-statistics ( full | terse | none | <boolean> );
+};
diff --git a/doc/misc/stub.zoneopt b/doc/misc/stub.zoneopt
new file mode 100644
index 0000000..29c1d56
--- /dev/null
+++ b/doc/misc/stub.zoneopt
@@ -0,0 +1,27 @@
+zone <string> [ <class> ] {
+	type stub;
+	allow-query { <address_match_element>; ... };
+	allow-query-on { <address_match_element>; ... };
+	check-names ( fail | warn | ignore );
+	database <string>;
+	delegation-only <boolean>; // deprecated
+	dialup ( notify | notify-passive | passive | refresh | <boolean> ); // deprecated
+	file <quoted_string>;
+	forward ( first | only );
+	forwarders [ port <integer> ]  { ( <ipv4_address> | <ipv6_address> ) [ port <integer> ]; ... };
+	masterfile-format ( raw | text );
+	masterfile-style ( full | relative );
+	max-records <integer>;
+	max-refresh-time <integer>;
+	max-retry-time <integer>;
+	max-transfer-idle-in <integer>;
+	max-transfer-time-in <integer>;
+	min-refresh-time <integer>;
+	min-retry-time <integer>;
+	multi-master <boolean>;
+	primaries [ port <integer> ]  { ( <remote-servers> | <ipv4_address> [ port <integer> ] | <ipv6_address> [ port <integer> ] ) [ key <string> ] [ tls <string> ]; ... };
+	transfer-source ( <ipv4_address> | * ) ;
+	transfer-source-v6 ( <ipv6_address> | * ) ;
+	use-alt-transfer-source <boolean>; // deprecated
+	zone-statistics ( full | terse | none | <boolean> );
+};