help: hide phaseidx template keyword
I don't think it's great idea to expose the internal representation of phases.
Let's discourage use of the phaseidx keyword.
--- a/mercurial/templatekw.py Mon Oct 23 00:02:46 2017 +0530
+++ b/mercurial/templatekw.py Sat Oct 21 17:05:04 2017 +0900
@@ -816,7 +816,7 @@
@templatekeyword('phaseidx')
def showphaseidx(repo, ctx, templ, **args):
- """Integer. The changeset phase index."""
+ """Integer. The changeset phase index. (ADVANCED)"""
return ctx.phase()
@templatekeyword('rev')