It's not a quick quote bug, it's either a browser bug or the result of you selecting something by mistake. The quick quote feature simply asks the browser for the "range of text selected by the user." That should be blank if you haven't selected anything. O_o
quote:
Originally posted by vax
it's buggy in sense that it will quote text you've selected but clicked away from
True, but that's kind of a limitation... I think the feature would stop working properly in certain browsers if I changed it. =p