This commit was manufactured by cvs2svn to create tag 'r21b1'.
diff --git a/.hgtags b/.hgtags
index ea17f89..4c4812e 100644
--- a/.hgtags
+++ b/.hgtags
@@ -37,3 +37,4 @@
 626bb7ac74cf67c9f239a17a1e9d3456ebd5cbef v2.0
 0180e5ac89c19553284a72fc6303f05f4a5dfc4e v2.1a1
 03c65c82c38ea224c68cdc67ef62ac966881d61b v2.1a2
+c098f7c395893215e002db26c7557085e8b3527d v2.1b1