Added tag v2.7.3rc1 for changeset b2c6aff96e12
diff --git a/.hgtags b/.hgtags
index 2e59791..2a2266a 100644
--- a/.hgtags
+++ b/.hgtags
@@ -150,3 +150,4 @@
 5395f96588d4f0199d329cb79eb109648dc4ef5e v2.7.1
 f48756685406e8d0fa9d23d841fceb07e36a5656 v2.7.2rc1
 8527427914a29d895bcb30be76a465143993a793 v2.7.2
+b2c6aff96e1251a4f03cf866e7e75fb8232869f2 v2.7.3rc1