diff -r 0224d22ef5d8 -r 4799b5c4aaf4 mercurial/help.py
--- a/mercurial/help.py	Fri Sep 25 23:10:47 2015 -0500
+++ b/mercurial/help.py	Sat Sep 26 11:25:38 2015 +0900
@@ -14,6 +14,13 @@
 import cmdutil
 import hgweb.webcommands as webcommands
 
+_exclkeywords = [
+    "DEPRECATED",
+    "EXPERIMENTAL",
+    _("DEPRECATED"),
+    _("EXPERIMENTAL"),
+    ]
+
 def listexts(header, exts, indent=1, showdeprecated=False):
     '''return a text listing of the given extensions'''
     rst = []
@@ -43,9 +50,7 @@
             shortopt, longopt, default, desc = option
             optlabel = _("VALUE") # default label
 
-        if not verbose and ("DEPRECATED" in desc or _("DEPRECATED") in desc or
-                            "EXPERIMENTAL" in desc or
-                            _("EXPERIMENTAL") in desc):
+        if not verbose and any(w in desc for w in _exclkeywords):
             continue
 
         so = ''