diff -r 0a55ac5bdd92 -r ced7163f1fe4 .hgtags
--- a/.hgtags	Wed Feb 13 11:46:48 2013 +0100
+++ b/.hgtags	Wed Feb 13 12:06:21 2013 +0100
@@ -29,7 +29,4 @@
 6d736d983d5cfec4a6c6fba174db2cd93493a96b Isabelle2011
 76fef3e570043b84a32716b5633085d2fb215525 Isabelle2011-1
 21c42b095c841d1a7508c143d6b6e98d95dbfa69 Isabelle2012
-2c3d0cb151c07469f16e5524bd175ea4a52785a7 Isabelle2013-RC1
-7fc61bfb1c2d89a70146a672dbcc14355e72652a Isabelle2013-RC2
-8cf38c6b33f88609253e0f6fc9e08cea5a97f6a3 Isabelle2013-RC3
 d90218288d517942cfbc80a6b2654ecb22735e5c Isabelle2013