diff -r 0e3c45a74683 -r 929d04962115 mercurial/ui.py
--- a/mercurial/ui.py	Tue Oct 10 18:43:20 2006 -0300
+++ b/mercurial/ui.py	Tue Oct 10 18:43:20 2006 -0300
@@ -30,8 +30,6 @@
             self.traceback = traceback
 
             self.updateopts(verbose, debug, quiet, interactive)
-            self.diffcache = None
-            self.revlogopts = self.configrevlog()
         else:
             # parentui may point to an ui object which is already a child
             self.parentui = parentui.parentui or parentui