(...) Netscape's newsreader used to be able to, but I just looked, and they seem to have taken it out, or at least moved it. Of course, there's always: #!/usr/bin/perl foreach ('a'..'m', 'A'..'M') { $q = chr(ord($_)+13); $p{$_} = $q; $p{$q} = $_; } (...) (25 years ago, 16-May-00, to lugnet.off-topic.fun, lugnet.admin.general, lugnet.publish)