tmpwatch by default doesn't remove files to which root does not have write access. Formatted pages under /var/catman are created writable only for members of group "man". Therefore those pages are not removed by the command in /etc/cron.daily/tmpwatch. I suggest to add the "--force" flag to this command. This would make the command remove old formatted manual pages, as well as other old files failing the writability test.
the 6.0 version of tmpwatch _does_ include the -f flag for directories /var/catman/{X11R6/cat?,cat?,local/cat?}.
Are you really sure? In the stock 6.0 version? 22:22 uebn> rpm -q tmpwatch tmpwatch-1.7-1 22:22 uebn> rpm -V tmpwatch 22:22 uebn> cat /etc/cron.daily/tmpwatch /usr/sbin/tmpwatch 240 /tmp /var/tmp /var/catman/cat?
No, you are right and I was incorrect. But we have changed it to the behaviour you indicate for our next release. Sorry for the confusion.