diff -r 0897bf8d54c7 -r 86c1d1d35593 mercurial/fancyopts.py
--- a/mercurial/fancyopts.py	Fri Dec 01 01:29:14 2006 -0600
+++ b/mercurial/fancyopts.py	Fri Dec 01 01:42:52 2006 -0600
@@ -24,7 +24,7 @@
         elif dt[map[opt]] is type(1): state[map[opt]] = int(arg)
         elif dt[map[opt]] is type(''): state[map[opt]] = arg
         elif dt[map[opt]] is type([]): state[map[opt]].append(arg)
-        elif dt[map[opt]] is type(None): state[map[opt]] = 1
+        elif dt[map[opt]] is type(None): state[map[opt]] = True
 
     return args