For some of my users, every post looks as if it's been quoted, with lines above and below each post. This happens very often on Safari, Chrome and older versions of Firefox.
http://img213.imageshack.us/i/screenshot20091027at206.png/that's what it looks like on Safari
http://img35.imageshack.us/i/screenshot20091027at209.png/this is what it looks like on current Firefox
what can I do to fix this situation?
