--- a/tests/test-log	Mon Nov 27 22:03:36 2006 -0200
+++ b/tests/test-log	Mon Nov 27 22:56:26 2006 -0200
@@ -76,3 +76,8 @@
 
 echo % log -P 2
 hg log -P 2
+
+echo '% log -r ""'
+hg log -r ''
+
+exit 0