bug#4689: 23.1.50; Matching of error lines in *compilation* buffer is broken for perl-files

[Glenn Morris]

merge 4689 3928
stop

LanX wrote:

> :~$ emacs-23.1.50 -Q -debug-init -no-site-file  ~/tst.pl -f cperl-mode
> --eval='(compile "perl ~/tst.pl")'

Thanks. If only we could have started here.

I guess this is a duplicate of bug#3928. (The patch in that report has
some issues, eg XXX in the perl part.)