Yup, you are right about cperl mode. It's just that I don't know a better replacement. In my experience, nearly all modes for Perl break on complicated constructs (this is BTW a good incentive to keep your Perl readable).

If you can find out where this "pretty-print" option comes from, it should not be hard to automate it, too - I will be glad to help (though I don't use xemacs, but GNU emacs, and pretty-print is not there in my emacs :-( ... might be the incentive to go for xemacs?).

Christian Lemburg
Brainbench MVP for Perl
http://www.brainbench.com