# HG changeset patch
# User Gregory Szorc <gregory.szorc@gmail.com>
# Date 2018-07-19 18:10:48
# Node ID e90130af47ce8dd53a3109aed9d15876b3e7dee8
# Parent  c08ea1e219c087bb78961925b0fdd07c6566a1c0

configitems: restore alias for format.aggressivemergedeltas

913ca175c4ae broke BC by dropping support for reading
format.aggressivemergedeltas. Let's restore it.

Differential Revision: https://phab.mercurial-scm.org/D3966

diff --git a/mercurial/configitems.py b/mercurial/configitems.py
--- a/mercurial/configitems.py
+++ b/mercurial/configitems.py
@@ -929,7 +929,7 @@ coreconfigitem('push', 'pushvars.server'
 )
 coreconfigitem('revlog', 'optimize-delta-parent-choice',
     default=True,
-    # formely an experimental option: format.aggressivemergedeltas
+    alias=[('format', 'aggressivemergedeltas')],
 )
 coreconfigitem('server', 'bookmarks-pushkey-compat',
     default=True,