tag 3.1 release candidate 2
diff --git a/.hgtags b/.hgtags
index 5aa3dd6..48bca2e 100644
--- a/.hgtags
+++ b/.hgtags
@@ -73,3 +73,4 @@
 ee430e5075db2adf8124e6b94916a89ca41d3171 v3.1a2
 b63020797f9678adaf4d2c3e26574a9eef2ef028 v3.1b1
 4353fd0843cb31b356adc50f93d220e2e7255ef2 v3.1rc1
+0b87e438e1b53e3f812cad963a7fdb65d198ba2f v3.1rc2