diff --git a/.hgtags b/.hgtags
--- a/.hgtags
+++ b/.hgtags
@@ -2,3 +2,5 @@ fd734670ec16085f336994bea92f6701ce4b8caa
 0ffc78905f9712aaec17664d92839c59e75dfbaf Rev 1.0
 52b409d8427dde54ce69dbb2e1d605b13a3760a0 Rev
 52b409d8427dde54ce69dbb2e1d605b13a3760a0 1.2
+52b409d8427dde54ce69dbb2e1d605b13a3760a0 Rev
+0000000000000000000000000000000000000000 Rev