diff -r e37e9904bf10 -r c5f0825c1dbb mercurial/ui.py
--- a/mercurial/ui.py	Wed Aug 05 15:00:44 2009 +0200
+++ b/mercurial/ui.py	Wed Aug 05 17:08:28 2009 +0200
@@ -288,7 +288,7 @@
         """Prompt user with msg, read response, and ensure it matches
         one of the provided choices. The index of the choice is returned.
         choices is a sequence of acceptable responses with the format:
-        ('&None', 'E&xec', 'Sym&link') Responses are case insensitive. 
+        ('&None', 'E&xec', 'Sym&link') Responses are case insensitive.
         If ui is not interactive, the default is returned.
         """
         resps = [s[s.index('&')+1].lower() for s in choices]