diff -r 7bb5bcb089e3 -r 9881abfc0e44 mercurial/ui.py
--- a/mercurial/ui.py	Tue Jun 26 18:39:28 2007 +0200
+++ b/mercurial/ui.py	Tue Jun 26 20:37:15 2007 +0200
@@ -237,7 +237,7 @@
             try:
                 func = getattr(cdata, funcname)
                 return func(section, name)
-            except ConfigParser.InterpolationError, inst:
+            except (ConfigParser.InterpolationError, ValueError), inst:
                 msg = _("Error in configuration section [%s] "
                         "parameter '%s':\n%s") % (section, name, inst)
                 if abort: