diff -r 3eceeede26e9 -r 5b630f2ccb4e mercurial/cmdutil.py
--- a/mercurial/cmdutil.py	Sat Feb 25 19:28:16 2017 +0900
+++ b/mercurial/cmdutil.py	Sat Feb 25 19:32:39 2017 +0900
@@ -2768,6 +2768,7 @@
     while forms:
         tmpl = repo.ui.config('committemplate', '.'.join(forms))
         if tmpl:
+            tmpl = templater.unquotestring(tmpl)
             templatetext = committext = buildcommittemplate(
                 repo, ctx, subs, extramsg, tmpl)
             break