------------------------------------------------------------
revno: 1660
fixes bug: https://launchpad.net/bugs/558155
committer: Mark Sapiro <m...@msapiro.net>
branch nick: 2.1
timestamp: Mon 2016-07-11 16:43:25 -0700
message:
  Use backslashreplace when encoding for header_filter_rules.
modified:
  Mailman/Handlers/SpamDetect.py
  NEWS


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=== modified file 'Mailman/Handlers/SpamDetect.py'
--- Mailman/Handlers/SpamDetect.py	2016-01-18 23:56:58 +0000
+++ Mailman/Handlers/SpamDetect.py	2016-07-11 23:43:25 +0000
@@ -86,7 +86,7 @@
                 # unicode it as iso-8859-1 which may result in a garbled
                 # mess, but we have to do something.
                 uvalue += unicode(frag, 'iso-8859-1', 'replace')
-        headers += '%s: %s\n' % (h, uvalue.encode(cset, 'replace'))
+        headers += '%s: %s\n' % (h, uvalue.encode(cset, 'backslashreplace'))
     return headers
 
 

=== modified file 'NEWS'
--- NEWS	2016-06-18 19:26:59 +0000
+++ NEWS	2016-07-11 23:43:25 +0000
@@ -9,6 +9,14 @@
  
   New Features
 
+    - RFC 2047 encoded headers are now decoded and re-encoded in the charset of
+      the list's preferred language for matching by header_filter_rules using
+      errors='backslashreplace' instead of the former errors='replace'.  This
+      means that characters that can't be represented in the charset of the
+      list's preferred language will now be represented as '\uxxxx' escapes
+      rather than '?' enabling regexps to be constructed to match specific
+      characters or ranges.  (LP: #558155)
+
     - Thanks to Jim Popovitch REMOVE_DKIM_HEADERS can now be set to 3 to
       preserve the original headers as X-Mailman-Original-... before removing
       them.

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