This commit was manufactured by cvs2svn to create tag 'r21a1'.
diff --git a/.hgtags b/.hgtags
index 7a9c10b..db5deb8 100644
--- a/.hgtags
+++ b/.hgtags
@@ -35,3 +35,4 @@
 a9b82af0e08d20685d39d2cf03b510b302c022ac v2.0b2
 2dd741465060d88cb7a4aff7c57aef5cb9e2c7be v2.0c1
 626bb7ac74cf67c9f239a17a1e9d3456ebd5cbef v2.0
+0180e5ac89c19553284a72fc6303f05f4a5dfc4e v2.1a1