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(gzip): Remove compression patent warning. According to Brett Smith, the patent is expired.

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Sergey Poznyakoff
2007-10-18 07:59:39 +00:00
parent 3725b5606f
commit 5bfb6c5f9d
1 changed files with 2 additions and 9 deletions
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doc/tar.texi
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@@ -7957,10 +7957,8 @@ switch to @samp{posix}.
@command{gzip}, @command{bzip2} and @command{lzma} compression
programs. For backward compatibility, it also supports
@command{compress} command, although we strongly recommend against
using it, since there is a patent covering the algorithm it uses and
you could be sued for patent infringement merely by running
@command{compress}! Besides, it is by far less effective than other
compression programs.
using it, because it is by far less effective than other compression
programs@footnote{It also had patent problems in the past.}.
Creating a compressed archive is simple: you just specify a
@dfn{compression option} along with the usual archive creation
@@ -8115,11 +8113,6 @@ Filter the archive through @command{lzma}. Otherwise like @option{--gzip}.
@itemx --uncompress
Filter the archive through @command{compress}. Otherwise like @option{--gzip}.
The @acronym{GNU} Project recommends you not use
@command{compress}, because there is a patent covering the algorithm it
uses. You could be sued for patent infringement merely by running
@command{compress}.
@opindex use-compress-program
@item --use-compress-program=@var{prog}
Use external compression program @var{prog}. Use this option if you