You know what, I never paid much attention to it but on version 7.5.5 it does it on my site also. Only seems to be on rss feeds set from the control panel. But My Stuff>Feeds Appears to not have the issue.
Blue Man Group There is no such thing as stupid questions. Just stupid answers
should be doable. i'm perty familiar with myfeeds.inc.php and doing what it does in ubbthreads.inc.php (generate_rss_feeds) wouldn't be a big modification