Again mails from my Cron Daemon:
Modification of non-creatable array value attempted, subscript -1 at /usr/local/lib/perl5/site_perl/5.6.1/XML/RSS.pm line 1352.
Looks like my script does not like the new FreeBSD committers :-(. The feed seems to be valid, as Mozilla does not complain.
le pointed me to this URL, that shows some obscure errors: http://www.w3.org/RDF/Validator/