Just attach files with the same name. Old versions will be visible but greyed out.
2011/7/11 Sébastien Brisard <sebastien.bris...@m4x.org> > I've attached a new file (#04) to JIRA MATH-581. Unfortunately, I don't > know how to remove the previous files, so this ticket is getting messy, I'm > sorry about that. >
