diff --git a/.hgtags b/.hgtags
--- a/.hgtags
+++ b/.hgtags
@@ -9,3 +9,4 @@ e730ce1f2d31ab502530c4e41706559b31493d5a
 b5cc18bab69786675e756a5a478042c45cc558ae rd and growth
 ce40edbe6273c1821e1e5561cabe5c6191eb03b7 no vascular expansion
 bd77d1217180d16ee0ae0170346a93d77cb0a086 auxin upstream pumping
+ab6363909dc1c57a1dc5f29ebd54d26d510d9563 pin1 recycling