- update to 1.9:
* 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.
OBS-URL: https://build.opensuse.org/request/show/827320
OBS-URL: https://build.opensuse.org/package/show/Archiving/zutils?expand=0&rev=16
