Merging upstream version 1.12~rc1.

Signed-off-by: Daniel Baumann <daniel@debian.org>

doc/zupdate.1

@@ -1,5 +1,5 @@
 .\" DO NOT MODIFY THIS FILE!  It was generated by help2man 1.47.16.
-.TH ZUPDATE "1" "April 2022" "zutils 1.12-pre2" "User Commands"
+.TH ZUPDATE "1" "December 2022" "zutils 1.12-rc1" "User Commands"
 .SH NAME
 zupdate \- recompress bzip2, gzip, xz, zstd files to lzip format
 .SH SYNOPSIS
@@ -33,8 +33,8 @@ The names of the original files must have one of the following extensions:
 Exit status is 0 if all the compressed files were successfully recompressed
 (if needed), compared, and deleted (if requested). 1 if a non\-fatal error
 occurred (file not found or not regular, or has invalid format, or can't be
-deleted). 2 if a fatal error occurred (compressor can't be run, or
-comparison fails).
+deleted). 2 if a fatal error occurred (invalid command line options,
+compressor can't be run, or comparison fails).
 .SH OPTIONS
 .TP
 \fB\-h\fR, \fB\-\-help\fR
@@ -43,6 +43,9 @@ display this help and exit
 \fB\-V\fR, \fB\-\-version\fR
 output version information and exit
 .TP
+\fB\-d\fR, \fB\-\-destdir=\fR<dir>
+write recompressed files into <dir>
+.TP
 \fB\-e\fR, \fB\-\-expand\-extensions\fR
 expand combined extensions; tgz \-> tar.lz
 .TP
@@ -93,6 +96,8 @@ set compressor and options for xz format
 .TP
 \fB\-\-zst=\fR<command>
 set compressor and options for zstd format
+.PP
+Valid formats for option '\-M' are 'bz2', 'gz', 'lz', 'xz', and 'zst'.
 .SH "REPORTING BUGS"
 Report bugs to zutils\-bug@nongnu.org
 .br