Mailman の会員検索で、マルチバイトな会員名での検索ができない ref: http://qiita.com/komeda-shinji/items/0d8f1e3b03018d9c4cca

file0.txt

--- Mailman/Cgi/admin.py    2014-02-04 02:09:14.000000000 +0900
+++ Mailman/Cgi/admin.py    2015-04-10 15:13:58.810916527 +0900
@@ -900,12 +900,16 @@
     # The email addresses had /better/ be ASCII, but might be encoded in the
     # database as Unicodes.
     all = [_m.encode() for _m in mlist.getMembers()]
     all.sort(lambda x, y: cmp(x.lower(), y.lower()))
     # See if the query has a regular expression
     regexp = cgidata.getvalue('findmember', '').strip()
+    try:
+        regexp = regexp.decode(Utils.GetCharSet(mlist.preferred_language))
+    except:
+        pass
     if regexp:
         try:
             cre = re.compile(regexp, re.IGNORECASE)
         except re.error:
             doc.addError(_('Bad regular expression: ') + regexp)
         else: