log: mention ordering
a user complained that hg help log did not hint how to sort
the output by date
--- a/mercurial/commands.py Wed Jan 06 11:12:09 2016 -0800
+++ b/mercurial/commands.py Wed Jan 06 19:29:45 2016 -0500
@@ -5034,7 +5034,7 @@
See :hg:`help dates` for a list of formats valid for -d/--date.
See :hg:`help revisions` and :hg:`help revsets` for more about
- specifying revisions.
+ specifying and ordering revisions.
See :hg:`help templates` for more about pre-packaged styles and
specifying custom templates.