document mingw linker fix and close associated bug

[debian/gzip] / zdiff.1

diff --git a/zdiff.1 b/zdiff.1
index 3a586a2f3b01e2c3efe1a37d242ded419599e53a..0c826c3ffeaee9fb6dc42c3072c02a62119c6465 100644 (file)
--- a/zdiff.1
+++ b/zdiff.1
@@ -10,7 +10,6 @@ zcmp, zdiff \- compare compressed files
 [ diff_options ] file1
 [ file2 ]
 .SH DESCRIPTION
-.P
 .I  Zcmp
 and
 .I zdiff
@@ -24,26 +23,20 @@ All options specified are passed directly to
 .I cmp
 or
 .IR diff "."
-If only one file is specified, then it is compared to a file with the same name
-without the
-.I ".gz"
-extension. If two files are specified, then they are uncompressed if necessary
-and fed to
+If only
+.I file1
+is specified, it is compared to the uncompressed contents of
+.IR file1 ".gz."
+If two files are specified, their contents (uncompressed if necessary) are fed to
 .I cmp
 or
 .IR diff "."
+The input files are not modified.
 The exit status from
 .I cmp
 or
 .I diff
 is preserved.
-.P
-When both files must be uncompressed before comparison, the second is
-uncompressed to
-.IR "/tmp" "."
-In all other cases,
-.IR "zdiff" " and " "zcmp"
-use only a pipe.
 .SH "SEE ALSO"
 cmp(1), diff(1), zmore(1), zgrep(1), znew(1), zforce(1), gzip(1), gzexe(1)
 .SH BUGS
@@ -51,4 +44,5 @@ Messages from the
 .I cmp
 or
 .I diff
-programs refer to temporary filenames instead of those specified.
+programs may refer to file names such as "\-" instead of to the file
+names specified.