--- a/tests/test-help	Thu Dec 24 11:41:06 2009 +0100
+++ b/tests/test-help	Thu Dec 24 18:53:34 2009 +0200
@@ -14,6 +14,10 @@
 hg add -h --version | sed 's/[(]version [^)]*[)]/(version xxx)/'
 
 hg add --skjdfks
+
+echo %% test ambiguous command help
+hg help ad
+
 hg help diff
 hg help status
 hg -q help status