--- a/tests/test-help.t	Wed Jun 06 21:17:33 2012 -0500
+++ b/tests/test-help.t	Thu Jun 07 15:54:40 2012 +0200
@@ -598,6 +598,15 @@
   
   use "hg -v help nohelp" to show more info
 
+  $ hg help -k nohelp
+  Commands:
+  
+   nohelp hg nohelp
+  
+  Extension Commands:
+  
+   nohelp (no help text available)
+
 Test that default list of commands omits extension commands
 
   $ hg help