gzip: minor time stamp cleanups

[debian/gzip] / gzip.1

diff --git a/gzip.1 b/gzip.1
index 3262a8788507450cb484bf2be9aeff73576cb2e1..8abba501cf81ef2b9b5e08cad1f19c9bd060974f 100644 (file)
--- a/gzip.1
+++ b/gzip.1
@@ -31,8 +31,6 @@ each file is replaced by one with the extension
 .BR "\&.gz" ,
 while keeping the same ownership modes, access and modification times.
 (The default extension is
-.B "\-gz"
-for VMS,
 .B "z"
 for MSDOS, OS/2 FAT, Windows NT FAT and Atari.)
 If no files are specified, or if a file name is "-", the standard input is
@@ -328,6 +326,11 @@ indicates the slowest compression method (best compression).
 The default compression level is
 .BR \-6
 (that is, biased towards high compression at expense of speed).
+.TP
+.B \-\-rsyncable
+When you synchronize a compressed file between two computers, this option allows rsync to transfer only files that were changed in the archive instead of the entire archive.
+Normally, after a change is made to any file in the archive, the compression algorithm can generate a new version of the archive that does not match the previous version of the archive. In this case, rsync transfers the entire new version of the archive to the remote computer.
+With this option, rsync can transfer only the changed files as well as a small amount of metadata that is required to update the archive structure in the area that was changed.
 .SH "ADVANCED USAGE"
 Multiple compressed files can be concatenated. In this case,
 .I gunzip
@@ -398,9 +401,6 @@ containing the following:
       #! /bin/sh
       export PATH=/usr/bin
       exec gzip \-9 "$@"
-
-On VMS, the name of the obsolescent environment variable is GZIP_OPT, to
-avoid a conflict with the symbol set for invocation of the program.
 .SH "SEE ALSO"
 znew(1), zcmp(1), zmore(1), zforce(1), gzexe(1), zip(1), unzip(1), compress(1)
 .PP