--- a/Plugins/VcsPlugins/vcsMercurial/HgDiffDialog.py Tue Jul 27 12:58:35 2010 +0200 +++ b/Plugins/VcsPlugins/vcsMercurial/HgDiffDialog.py Tue Jul 27 17:15:48 2010 +0200 @@ -255,7 +255,7 @@ else: dname, fname = self.vcs.splitPath(self.filename[0]) if fname != '.': - fname = "%s.diff" % self.filename[0] + fname = "{0}.diff".format(self.filename[0]) else: fname = dname else: