display the message(s) in a format suitable for trimming
and sending as a email reply.
+=item --stdin
+
+=item -
+
+C<lei lcat> implicitly reads from stdin if it is a L<pipe(7)>
+or regular file. This is handy for invoking C<lei lcat> from
+inside an C<$EDITOR> session (assuming you use an C<$EDITOR>
+which lets you pipe arbitrary lines to arbitrary commands).
+
=item --[no-]remote
=item --no-local