That reminds me, I've been meaning for a long time to complain: This isn't working in acediff. It treats "\/\/" as a comment too. - Dave > From: Richard Durbin <rd at sanger.ac.uk> > the string "//" means a comment in a .ace file, as in some languages. > You can parse them in by escaping the slash characters, as in > > http:\/\/www.sanger.ac.uk ---