--- gzip.1.orig	Mon Sep 30 02:58:04 2002
+++ gzip.1	Tue Feb 22 18:55:51 2005
@@ -150,7 +150,9 @@
 will uncompress files that have the correct magic number whether
 they have a
 .B "\&.gz"
-suffix or not.
+suffix or not. In POSIX mode zcat will append
+.B ".Z"
+to all filenames that do not have that suffix.
 .PP
 .I Gzip
 uses the Lempel-Ziv algorithm used in
@@ -384,7 +386,7 @@
 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),
-pack(1), compact(1)
+pack(1), compact(1), compat(5)
 .PP
 The
 .I gzip
