# HG changeset patch
# User Pierre-Yves David <pierre-yves.david@octobus.net>
# Date 1497696697 -7200
# Node ID cd2fd1765654dd0a23dfe65777438998b5cd54a3
# Parent  61a8321c996266f23d83fb8531441e36e0129094
config: use the new '_unset' value for 'configsuboptions'

This should let configsuboptions delegate all special processing of the default
config value to the main 'config' method.

diff --git a/mercurial/ui.py b/mercurial/ui.py
--- a/mercurial/ui.py
+++ b/mercurial/ui.py
@@ -460,7 +460,7 @@
                                "%s.%s = %s\n" % (section, n, uvalue))
         return value
 
-    def configsuboptions(self, section, name, default=None, untrusted=False):
+    def configsuboptions(self, section, name, default=_unset, untrusted=False):
         """Get a config option and all sub-options.
 
         Some config options have sub-options that are declared with the