--- a/.hgtags
+++ b/.hgtags
@@ -8,3 +8,4 @@
 d62a98d8fa5d6ab7569f6005ee81795e3a45dd49 start
 dbd854b891d2808f3ef97187c84f971f954c97c6 release-3_0_0
 cfebd7ccd727f37139c53745d15f33c840048bf9 release-3_1_0
+0a5322209eec27a1d1e7c024e70ab407633cc439 help