--- a/tests/test-obsolete.t Sat Jan 10 18:09:25 2015 +0900
+++ b/tests/test-obsolete.t Thu Jan 08 23:05:45 2015 +0900
@@ -187,6 +187,8 @@
[255]
$ hg debugrevspec 'rev(6)'
$ hg debugrevspec 'rev(4)'
+ $ hg debugrevspec 'null'
+ -1
Check that public changeset are not accounted as obsolete: