[PATCH 1 of 2] config: add a tip about using 'help extensions' to list available extensions

[Augie Fackler]

# HG changeset patch
# User Augie Fackler <raf at durin42.com>
# Date 1398790067 14400
#      Tue Apr 29 12:47:47 2014 -0400
# Node ID b78de345e00af1f2f2ca88b98eaafe2ae05824c2
# Parent  7afe70a5d2ad5b22c21ba9be849451407c1f337f
config: add a tip about using 'help extensions' to list available extensions

This should make it (in theory) a little more obvious to newcomers
that they might find helpful tools in that output, without actually
recommending rebase and histedit to all newcomers.

diff --git a/mercurial/commands.py b/mercurial/commands.py
--- a/mercurial/commands.py
+++ b/mercurial/commands.py
@@ -1497,7 +1497,8 @@
                 '\n'
                 '[extensions]\n'
                 '# uncomment these lines to enable some popular extensions\n'
-                '# (see "hg help extensions" for more info)\n'
+                '# (see "hg help extensions" for more info and \n'
+                '# a list of included extensions)\n'
                 '# pager =\n'
                 '# progress =\n'
                 '# color =\n')