--- a/mercurial/util.py	Tue Aug 15 21:06:26 2017 +0900
+++ b/mercurial/util.py	Tue Aug 15 21:09:33 2017 +0900
@@ -3759,5 +3759,7 @@
 
     return items
 
+i18nfunctions = bundlecompressiontopics().values()
+
 # convenient shortcut
 dst = debugstacktrace