From: Sergey Poznyakoff Date: Thu, 18 Oct 2007 07:59:39 +0000 (+0000) Subject: (gzip): Remove compression patent warning. According to Brett Smith, the patent is... X-Git-Url: https://git.brokenzipper.com/gitweb?a=commitdiff_plain;h=5bfb6c5f9d105850ca9628dae7ef8d4d27687f70;p=chaz%2Ftar (gzip): Remove compression patent warning. According to Brett Smith, the patent is expired. --- diff --git a/doc/tar.texi b/doc/tar.texi index 8316fa4..328ed9f 100644 --- a/doc/tar.texi +++ b/doc/tar.texi @@ -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