--- a/tests/test-fileset.t	Wed Aug 15 17:39:03 2012 +0200
+++ b/tests/test-fileset.t	Wed Aug 15 19:02:04 2012 +0200
@@ -36,4 +36,6 @@
   b1
   $ fileset '! ("a*")'
   b1
+  $ fileset 'a* - a1'
+  a2