config: use the new '_unset' value for 'configint'
This should let 'configint' delegates all special processing of the default
config value to the main 'config' method.
--- a/mercurial/ui.py Sat Jun 17 12:52:31 2017 +0200
+++ b/mercurial/ui.py Sat Jun 17 12:53:40 2017 +0200
@@ -574,7 +574,7 @@
raise error.ConfigError(_("%s.%s is not a valid %s ('%s')")
% (section, name, desc, v))
- def configint(self, section, name, default=None, untrusted=False):
+ def configint(self, section, name, default=_unset, untrusted=False):
"""parse a configuration element as an integer
>>> u = ui(); s = 'foo'