[ZCM] [ZC] 2262/ 2 Assign "new convertToUnicode() broken"

Issue #2262 Update (Assign) "new convertToUnicode() broken"
 Status Accepted, Zope/bug critical
To followup, visit:
  http://www.zope.org/Collectors/Zope/2262

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= Assign - Entry #2 by ajung on Jan 11, 2007 8:19 am

 Status: Pending => Accepted

 Supporters added: andreasjung

a) clearly a bug
b) you can't create a ZPT instance with a content-type other than text/html or text/xml
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= Request - Entry #1 by yuppie on Jan 11, 2007 7:56 am

There are two issues in Products.PageTemplates.utils.convertToUnicode:

1.) If charsetFromMetaEquiv(source) returns a value, it is ignored and a TypeError is raised. The sniffing result should be used for decoding instead.

2.) Other content-types than 'text/xml' or 'text/html' always trigger a ValueError. I guess it would be better to try decoding based on preferred_encodings.
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