--- a/mercurial/configitems.py	Wed Oct 11 04:14:01 2017 +0200
+++ b/mercurial/configitems.py	Wed Oct 11 04:14:14 2017 +0200
@@ -724,6 +724,9 @@
 coreconfigitem('web', 'allow_push',
     default=list,
 )
+coreconfigitem('web', 'allowzip',
+    default=None,
+)
 coreconfigitem('web', 'accesslog',
     default='-',
 )