Forum Moderators: open
# Module Products.PageTemplates.unicodeconflictresolver, line 69, in resolve
# Module zope.publisher.http, line 1001, in getPreferredCharsets
This is the culprit:
HTTP_ACCEPT_CHARSET'ISO-8859-1;utf-8;q=0.7,*;q=0.7'
Zope is unable to parse it, a known bug...
[w3.org...]