Documented the new "outgoing chmod" daemon option.

rsyncd.conf.yo

@@ -263,12 +263,22 @@ only superficially equivalent to the client specifying the
 bf(--include-from) option with a equivalent file.
 See the "exclude" option above.
 
-dit(bf(incoming chmod)) This option allows you to specify a chmod string
-that will affect the permissions of all incoming files (files that are
-being copied to the daemon).  These changes happen last, giving you the
-final word on what the permissions should look like in the repository.  See
-the description of the bf(--chmod) rsync option and the bf(chmod) manpage
-for information on the format of this string.
+dit(bf(incoming chmod)) This option allows you to specify a set of
+comma-separated chmod strings that will affect the permissions of all
+incoming files (files that are being received by the daemon).  These
+changes happen last, giving this setting the final word on what the
+permissions should look like in the repository.
+See the description of the bf(--chmod) rsync option and the bf(chmod)
+utility's manpage for information on the format of this string.
+
+dit(bf(outgoing chmod)) This option allows you to specify a set of
+comma-separated chmod strings that will affect the permissions of all
+outgoing files (files that are being sent out from the daemon).  These
+changes happen first, making the sent permissions appear to be different
+than those stored in the filesystem itself (which, for instance, you
+could disable group write permissions on the server).
+See the description of the bf(--chmod) rsync option and the bf(chmod)
+utility's manpage for information on the format of this string.
 
 dit(bf(auth users)) The "auth users" option specifies a comma and
 space-separated list of usernames that will be allowed to connect to