diff -r 507c49e297e1 -r fca54469480e mercurial/error.py
--- a/mercurial/error.py	Thu Apr 23 15:40:10 2009 -0500
+++ b/mercurial/error.py	Thu Apr 23 15:40:10 2009 -0500
@@ -28,6 +28,9 @@
 class ParseError(Exception):
     """Exception raised on errors in parsing the command line."""
 
+class ConfigError(Exception):
+    'Exception raised when parsing config files'
+
 class RepoError(Exception):
     pass