--- a/tests/test-bookmarks.t Tue Apr 30 09:02:02 2013 +0900
+++ b/tests/test-bookmarks.t Wed May 01 15:31:39 2013 -0500
@@ -590,3 +590,24 @@
date: Thu Jan 01 00:00:00 1970 +0000
summary: 0
+
+test clearing divergent bookmarks of linear ancestors
+
+ $ hg bookmark Z -r 0
+ $ hg bookmark Z@1 -r 1
+ $ hg bookmark Z@2 -r 2
+ $ hg bookmark Z@3 -r 3
+ $ hg book
+ Z 0:f7b1eb17ad24
+ Z@1 1:925d80f479bb
+ Z@2 2:db815d6d32e6
+ * Z@3 3:9ba5f110a0b3
+ four 3:9ba5f110a0b3
+ should-end-on-two 2:db815d6d32e6
+ $ hg bookmark Z
+ moving bookmark 'Z' forward from f7b1eb17ad24
+ $ hg book
+ * Z 3:9ba5f110a0b3
+ Z@1 1:925d80f479bb
+ four 3:9ba5f110a0b3
+ should-end-on-two 2:db815d6d32e6