--- a/tests/test-grep.t	Wed Nov 07 16:21:39 2012 -0600
+++ b/tests/test-grep.t	Mon Nov 12 19:27:03 2012 +0200
@@ -23,6 +23,10 @@
 
 simple
 
+  $ hg grep '.*'
+  port:4:export
+  port:4:vaportight
+  port:4:import/export
   $ hg grep port port
   port:4:export
   port:4:vaportight