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2020-06-27  Antonio Diaz Diaz  <antonio@gnu.org>

	* Version 1.9 released.
	* zcmp.cc zdiff.cc: Read standard input only if requested.
	* zdiff.cc (main): Pass options '-W' and '-y' to diff.
	* zutils.cc (test_format): Detect bzip2 and lzip files better.
	* ztest.cc (main): Continue testing if any input file is a terminal.
	  If verbosity >= 1, print number of files that failed the test.
	* zcat.cc zgrep.cc ztest.cc (main): Check return value of close( infd ).
	* zutils.cc (good_status): Ignore trailing data remaining in feeder.
	* zupdate.cc (zupdate_file): Support new and old lzip option '-o'.
	  Keep combined extensions: tgz, tbz, tbz2, txz --> tlz.
	  Quote file names in zcmp_command to allow file names with spaces.
	* *.cc (main): Set a valid invocation_name even if argc == 0.
	* zutils.texi: Improve descriptions of zcat, zcmp, and zdiff.

2019-01-01  Antonio Diaz Diaz  <antonio@gnu.org>

	* Version 1.8 released.
	* zcat.cc: Fix a buffer overflow on outbuf when '-v' is used.
	* zcat.cc (cat): A canary byte has been added to outbuf.
	* New option '-R, --dereference-recursive'.
	* Option '-r, --recursive' now skips symlinks.
	* If no files and recursive, examine current working directory.
	* recursive.cc (test_full_name): Detect directory loops.
	* recursive.cc: Ignore directories if not --recursive.
	* recursive.cc: Remove extra trailing slashes from directory args.
	* zcatgrep.cc (open_instream): Show correct errno.
	* zutils.cc (good_status): Wait for killed child.
	* Test and document continuation or exit of zcat, zgrep, ztest,
	  and zupdate in case of error.
	* configure: Accept appending to CXXFLAGS, 'CXXFLAGS+=OPTIONS'.

2018-02-13  Antonio Diaz Diaz  <antonio@gnu.org>

	* Version 1.7 released.
	* zgrep.cc (main): Pass option '--color' to grep.
	* check.sh: Add new tests for zgrep.

2017-04-05  Antonio Diaz Diaz  <antonio@gnu.org>

	* Version 1.6 released.
	* zcmp.cc: Accept 'B' suffix in '--ignore-initial=1kB:1234B'.
	* zutils.cc (feed_data): Show input file name in error messages.

2016-05-15  Antonio Diaz Diaz  <antonio@gnu.org>

	* Version 1.5 released.
	* zupdate.cc (zupdate_file): Pass '-q' to zcmp if verbosity < 0.
	* zcat.cc zgrep.cc ztest.cc (main): Don't use stdin more than once.
	* zdiff.cc (set_fifonames): Use '_' if both names are different.
	* configure: Avoid warning on some shells when testing for g++.
	* Makefile.in: Detect the existence of install-info.
	* check.sh: A POSIX shell is required to run the tests.

2015-05-29  Antonio Diaz Diaz  <antonio@gnu.org>

	* Version 1.4 released.
	* Option '--format' has been renamed to '-O, --force-format'.
	* Add new option '-M, --format=<list>' to all utilities.
	* zgrep.cc (main): Pass '-e' to grep if pattern begins with '-'.
	* Makefile.in: New targets 'install*-compress'.

2014-08-30  Antonio Diaz Diaz  <antonio@gnu.org>

	* Version 1.3 released.
	* check.sh: Fix two values of expected exit status.
	* zutils.texi: Document that '--format' does not verify format.
	* Add two missing #includes.
	* Change license to GPL version 2 or later.

2014-02-01  Antonio Diaz Diaz  <antonio@gnu.org>

	* Version 1.2 released.
	* New utility; zupdate.
	* Remove zutils executable. Utils are now independent executables.
	* zgrep.cc: Fix the exit status returned on error.
	* zutils.texinfo: Rename to zutils.texi.

2013-08-02  Antonio Diaz Diaz  <antonio@gnu.org>

	* Version 1.1 released.
	* Add options '--bz2', '--gz', '--lz', and '--xz' to all utilities.
	* Add runtime configuration file 'zutilsrc'.
	* New function 'good_status' checks exit status of all children.
	* Fix all uses of decompressed/uncompressed in the documentation.

2013-05-31  Antonio Diaz Diaz  <antonio@gnu.org>

	* Version 1.0 released.
	* Add new option '--format' to all utilities.
	* main.cc (main): Make 'grep_show_name' tri-state so that file
	  name is no prefixed to output by default when searching one
	  file and '--recursive' has not been selected.
	* Zgrep: Fix output of option '-L' (it behaved like '-l').
	* zcmp.cc: Fix deadlock when option '-n' is used.
	* zdiff.cc (set_data_feeder): Call compressor with option '-q'
	  only if verbosity < 0.
	* zutils.cc (set_data_feeder): Likewise.
	* Change quote characters in messages as advised by GNU Standards.
	* configure: Options now accept a separate argument.
	  Rename 'datadir' to 'datarootdir'. Ignore environment variables.
	* Makefile.in: New target 'install-bin'.
	* Use 'setmode' instead of '_setmode' on Windows and OS/2.
	* zcat.cc (Line_number): Fix a portability issue with Solaris 9.
	* INSTALL: Document installing zutils along with GNU gzip.

2011-01-11  Antonio Diaz Diaz  <ant_diaz@teleline.es>

	* Version 0.9 released.
	* configure: New options 'DIFF' and 'GREP'.
	* zcmp.cc: Fix deadlock when files differ.
	* zgrep.cc: Fix deadlock when binary file matches.

2010-11-15  Antonio Diaz Diaz  <ant_diaz@teleline.es>

	* Version 0.8 released.
	* main.cc: New options '--zcat', '--zgrep', and '--ztest'.
	* zcat.cc: New file implementing zcat+cat functionality in C++.
	* zcmp.cc: New file implementing zcmp+cmp functionality in C++.
	* doc/zcmp.1: New file.
	* Remove files zcmp.in, zdiff.in.
	* zdiff.cc: New file implementing zdiff functionality in C++.
	* zgrep.cc: New file implementing zgrep functionality in C++.
	* All mentions to zegrep and zfgrep have been removed from the
	  documentation because egrep and fgrep are deprecated.
	* ztest.cc: New file implementing ztest functionality in C++.
	* Makefile.in: Add quotes to directory names.
	* check.sh: Use 'test.txt' instead of 'COPYING' for testing.
	* Remove environment safeguards from configure as requested by
	  Richard Stallman. Now environment variables affect configure.

2009-10-21  Antonio Diaz Diaz  <ant_diaz@teleline.es>

	* Version 0.7 released.
	* New utility; ztest.
	* zcat.in: New option '-r, --recursive'.

2009-10-05  Antonio Diaz Diaz  <ant_diaz@teleline.es>

	* Version 0.6 released.
	* zcat.in, zgrep.in: Remove again default compressor. Format of
	  data read from stdin is now automatically detected.
	* Makefile.in: Add option '--name' to help2man invocation.

2009-10-01  Antonio Diaz Diaz  <ant_diaz@teleline.es>

	* Version 0.5 released.
	* zcat.in, zgrep.in: Read again data from stdin.
	* Add again default compressor for stdin only.

2009-09-17  Antonio Diaz Diaz  <ant_diaz@teleline.es>

	* Version 0.4 released.
	* Add two new utilities; zegrep and zfgrep.
	* Add zutils executable which recognizes file formats.

2009-08-28  Antonio Diaz Diaz  <ant_diaz@teleline.es>

	* Version 0.3 released.
	* Remove default compressor.
	* zcat.in, zgrep.in: Don't read data from stdin.
	* Update home page and mailing list addresses.

2009-08-13  Antonio Diaz Diaz  <ant_diaz@teleline.es>

	* Version 0.2 released.
	* Add support for xz.

2009-08-07  Antonio Diaz Diaz  <ant_diaz@teleline.es>

	* Version 0.1 released.


Copyright (C) 2009-2020 Antonio Diaz Diaz.

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