Tagging for release of Python 3.0a1.
diff --git a/.hgtags b/.hgtags
index ddaa6ff..c3cecce 100644
--- a/.hgtags
+++ b/.hgtags
@@ -52,3 +52,4 @@
 ed396533d05e26c9d4a91fc94f89c0033fc7ae04 v2.4b2
 bbce19cba40401a87508677a2d6719397ccc2d8c v2.4c1
 9aed528daf61c323e10448ebd44ba70b92579023 v2.4
+dff1a7af33ba5c9a70f7372cdee53ce6ff7ba4f2 v3.0a1