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diff --git a/ChangeLog b/ChangeLog
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+++ b/ChangeLog
@@ -1,31 +1,46 @@
+2021-01-04 Antonio Diaz Diaz <antonio@gnu.org>
+
+ * Version 1.12 released.
+ * main.c (main): Report an error if a file name is empty.
+ Make '-o' behave like '-c', but writing to file instead of stdout.
+ Make '-c' and '-o' check whether the output is a terminal only once.
+ Do not open output if input is a terminal.
+ * Replace 'decompressed', 'compressed' with 'out', 'in' in output.
+ * lzip_index.c: Improve messages for corruption in last header.
+ * main.c: Set a valid invocation_name even if argc == 0.
+ * Document extraction from tar.lz in manual, '--help', and man page.
+ * clzip.texi (Introduction): Mention plzip and tarlz as alternatives.
+ * clzip.texi: Several fixes and improvements.
+ * testsuite: Add 9 new test files.
+
2019-01-03 Antonio Diaz Diaz <antonio@gnu.org>
* Version 1.11 released.
- * File_* renamed to Lzip_*.
+ * Rename File_* to Lzip_*.
* lzip.h (Lzip_trailer): New function 'Lt_verify_consistency'.
* lzip_index.c: Detect some kinds of corrupt trailers.
* main.c (main): Check return value of close( infd ).
* main.c: Compile on DOS with DJGPP.
- * clzip.texi: Improved descriptions of '-0..-9', '-m' and '-s'.
+ * clzip.texi: Improve descriptions of '-0..-9', '-m', and '-s'.
* configure: Accept appending to CFLAGS, 'CFLAGS+=OPTIONS'.
* INSTALL: Document use of CFLAGS+='-D __USE_MINGW_ANSI_STDIO'.
2018-02-06 Antonio Diaz Diaz <antonio@gnu.org>
* Version 1.10 released.
- * Added new option '--loose-trailing'.
- * Improved corrupt header detection to HD=3.
+ * New option '--loose-trailing'.
+ * Improve corrupt header detection to HD=3.
* main.c: Show corrupt or truncated header in multimember file.
* main.c (main): Option '-S, --volume-size' now keeps input files.
* encoder_base.*: Adjust dictionary size for each member.
- * Replaced 'bits/byte' with inverse compression ratio in output.
+ * Replace 'bits/byte' with inverse compression ratio in output.
* Show progress of decompression at verbosity level 2 (-vv).
* Show progress of (de)compression only if stderr is a terminal.
* main.c: Show final diagnostic when testing multiple files.
* main.c: Do not add a second .lz extension to the arg of -o.
* decoder.c (LZd_verify_trailer): Show stored sizes also in hex.
Show dictionary size at verbosity level 4 (-vvvv).
- * lzip.texi: Added chapter 'Output'.
+ * clzip.texi: New chapter 'Meaning of clzip's output'.
2017-04-13 Antonio Diaz Diaz <antonio@gnu.org>
@@ -38,19 +53,19 @@
* main.c: Continue testing if any input file is a terminal.
* main.c: Show trailing data in both hexadecimal and ASCII.
* lzip_index.c: Improve detection of bad dict and trailing data.
- * lzip.h: Unified messages for bad magic, trailing data, etc.
- * clzip.texi: Added missing chapters from lzip.texi.
+ * lzip.h: Unify messages for bad magic, trailing data, etc.
+ * clzip.texi: Add missing chapters from lzip.texi.
2016-05-13 Antonio Diaz Diaz <antonio@gnu.org>
* Version 1.8 released.
- * Added new option '-a, --trailing-error'.
+ * New option '-a, --trailing-error'.
* main.c (decompress): Print up to 6 bytes of trailing data
when '-vvvv' is specified.
- * decoder.c (LZd_verify_trailer): Removed test of final code.
+ * decoder.c (LZd_verify_trailer): Remove test of final code.
* main.c (main): Delete '--output' file if infd is a terminal.
* main.c (main): Don't use stdin more than once.
- * clzip.texi: Added chapter 'Trailing data'.
+ * clzip.texi: New chapter 'Trailing data'.
* configure: Avoid warning on some shells when testing for gcc.
* Makefile.in: Detect the existence of install-info.
* check.sh: A POSIX shell is required to run the tests.
@@ -59,16 +74,16 @@
2015-07-07 Antonio Diaz Diaz <antonio@gnu.org>
* Version 1.7 released.
- * Ported fast encoder and option '-0' from lzip.
- * Makefile.in: Added new targets 'install*-compress'.
+ * Port fast encoder and option '-0' from lzip.
+ * Makefile.in: New targets 'install*-compress'.
2014-08-28 Antonio Diaz Diaz <antonio@gnu.org>
* Version 1.6 released.
* Compression ratio of option '-9' has been slightly increased.
* main.c (close_and_set_permissions): Behave like 'cp -p'.
- * clzip.texinfo: Renamed to clzip.texi.
- * License changed to GPL version 2 or later.
+ * clzip.texinfo: Rename to clzip.texi.
+ * Change license to GPL version 2 or later.
2013-09-17 Antonio Diaz Diaz <antonio@gnu.org>
@@ -85,8 +100,7 @@
* Compression ratio has been slightly increased.
* Compression time has been reduced by 10%.
* Decompression time has been reduced by 8%.
- * Makefile.in: Added new target 'install-as-lzip'.
- * Makefile.in: Added new target 'install-bin'.
+ * Makefile.in: New targets 'install-as-lzip' and 'install-bin'.
* main.c: Use 'setmode' instead of '_setmode' on Windows and OS/2.
* main.c: Define 'strtoull' to 'strtoul' on Windows.
@@ -98,33 +112,33 @@
* encoder.c (Mf_init): Return false if out of memory instead of
calling cleanup_and_fail.
* Small change in '--help' output and man page.
- * Changed quote characters in messages as advised by GNU Standards.
- * configure: 'datadir' renamed to 'datarootdir'.
+ * Change quote characters in messages as advised by GNU Standards.
+ * configure: Rename 'datadir' to 'datarootdir'.
2011-05-18 Antonio Diaz Diaz <ant_diaz@teleline.es>
* Version 1.2 released.
- * Added new option '-F, --recompress'.
+ * New option '-F, --recompress'.
* main.c (decompress): Print only one status line for each
multimember file when only one '-v' is specified.
* encoder.h (Lee_update_prices): Update high length symbol prices
independently of the value of 'pos_state'. This gives better
compression for large values of '--match-length' without being
slower.
- * encoder.h encoder.c: Optimize pair price calculations. This
- reduces compression time for large values of '--match-length'
- by up to 6%.
+ * encoder.h, encoder.c: Optimize pair price calculations, reducing
+ compression time for large values of '--match-length' by up to 6%.
2011-01-11 Antonio Diaz Diaz <ant_diaz@teleline.es>
* Version 1.1 released.
* Code has been converted to 'C89 + long long' from C99.
- * main.c: Fixed warning about fchown return value being ignored.
+ * main.c: Fix warning about fchown return value being ignored.
* decoder.c: '-tvvvv' now shows compression ratio.
* main.c: Match length limit set by options -1 to -8 has been
reduced to extend range of use towards gzip. Lower numbers now
- compress less but faster. (-1 now takes 43% less time for only
- 20% larger compressed size).
+ compress less but faster. (-1 now takes 43% less time for only 20%
+ larger compressed size).
+ Exit with status 1 if any output file exists and is skipped.
* Compression ratio of option '-9' has been slightly increased.
* main.c (open_instream): Don't show the message
" and '--stdout' was not specified" for directories, etc.
@@ -137,8 +151,8 @@
* Translated to C from the C++ source of lzip 1.10.
-Copyright (C) 2010-2019 Antonio Diaz Diaz.
+Copyright (C) 2010-2021 Antonio Diaz Diaz.
This file is a collection of facts, and thus it is not copyrightable,
-but just in case, you have unlimited permission to copy, distribute and
+but just in case, you have unlimited permission to copy, distribute, and
modify it.