Yes. Browse to the page showing all open bugs, if you think it's open, and hit Ctrl+F (or in Mozilla, you can just hit slash, then start typing) to search for a bug.
In other words: No, it's one of the many improvements that I would love to make in bug-tracker. Or even better: See someone else contribute.
(For starters, we need to upgrade openacs.org to run a bug-tracker fresher than a year old ... we made significant improvements in Feb-Mar this year. But Dave's working on that. 😉)
/Lars
