update rsyncable patch, etc

[debian/gzip] / doc / gzip.texi

diff --git a/doc/gzip.texi b/doc/gzip.texi
index 7f3d4523cf15542ef16d5668a7f1d37b2d5d04f1..ffe20b4acfcf811d6edff48382e6bce5e3f7700c 100644 (file)
--- a/doc/gzip.texi
+++ b/doc/gzip.texi
@@ -370,6 +370,14 @@ synchronize files compressed with this flag.  @command{gunzip}
 cannot tell the difference between a compressed file created
 with this option, and one created without it.
 
+@item --rsyncable
+While compressing, synchronize the output occasionally based on the
+input.  This can reduce the compression slightly in some cases, but
+means that the @code{rsync} program can take advantage of similarities
+in the uncompressed input when syncronizing two files compressed with
+this flag.  @code{gunzip} cannot tell the difference between a
+compressed file created with this option, and one created without it.
+
 @item --suffix @var{suf}
 @itemx -S @var{suf}
 Use suffix @var{suf} instead of @samp{.gz}.  Any suffix can be