--- a/mercurial/hgweb/webcommands.py Tue Dec 12 22:05:21 2017 -0800
+++ b/mercurial/hgweb/webcommands.py Thu Dec 14 21:30:00 2017 +0800
@@ -1176,11 +1176,16 @@
Information rendered by this handler can be used to create visual
representations of repository topology.
- The ``revision`` URL parameter controls the starting changeset.
+ The ``revision`` URL parameter controls the starting changeset. If it's
+ absent, the default is ``tip``.
The ``revcount`` query string argument can define the number of changesets
to show information for.
+ The ``graphtop`` query string argument can specify the starting changeset
+ for producing ``jsdata`` variable that is used for rendering graph in
+ JavaScript. By default it has the same value as ``revision``.
+
This handler will render the ``graph`` template.
"""