evolve: revision graph

graph

less more | rev 1846: (0) -1000 -300 -100 -30 -10 -3 +3 +10 +30 +100 +300 +1000 +3000 tip

docs: fix format of extension docstring
Wed, 10 Jun 2015 16:20:05 -0500, by Matt Mackall
constants: extract key for extra into a constant
Wed, 10 Jun 2015 16:13:20 -0400, by Augie Fackler
topic: add ability to change topic of non-public changes
Wed, 10 Jun 2015 15:03:39 -0400, by Augie Fackler

less more | rev 1846: (0) -1000 -300 -100 -30 -10 -3 +3 +10 +30 +100 +300 +1000 +3000 tip