[PATCH 1 of 9] configitems: register the 'ui.fallbackencoding' config

[Boris Feld]

# HG changeset patch
# User Boris Feld <boris.feld at octobus.net>
# Date 1498787083 -7200
#      Fri Jun 30 03:44:43 2017 +0200
# Node ID ffbd58343a63d0ddf02ba8d79ae52d216dc3fe83
# Parent  7008f6819002bc01bcc8626f2ff41af0949096c4
# EXP-Topic config.register.ui
configitems: register the 'ui.fallbackencoding' config

diff -r 7008f6819002 -r ffbd58343a63 mercurial/configitems.py
--- a/mercurial/configitems.py	Tue Jul 11 00:40:29 2017 -0400
+++ b/mercurial/configitems.py	Fri Jun 30 03:44:43 2017 +0200
@@ -439,6 +439,9 @@
 coreconfigitem('ui', 'debugger',
     default=None,
 )
+coreconfigitem('ui', 'fallbackencoding',
+    default=None,
+)
 coreconfigitem('ui', 'forcemerge',
     default=None,
 )