Re: [xml] Bug in encoding detection with document()

[Chuck Bearden <cbearden rice edu>]

Bjoern Hoehrmann wrote:
> * Chuck Bearden wrote:
> > It appears that libxslt1.1 pays attention to the charset declaration in the 
> > Content-Type HTTP header when retrieving XML files with MIME types of 
> > application/xml or text/xml via the document() function.  If a misconfigured 
> > web server sends "Content-Type: text/xml; charset=iso-8859-15" but the XML 
> > file itself has no encoding declaration in the XML prolog (and is thus to be 
> > taken as UTF-8), libxslt treats the incoming file as ISO-8859-15 and so 
> > mangles byte sequences that express e.g. many common vowels with diacritics. 
>
> The charset parameter takes precedence over internal labels and defaults
> so it is the misconfigured server that mangles those sequences. See e.g.
> RFC 3023 for a discussion.

Thanks for the information.  So it looks like in this case Saxon 6.5.5 is not 
following the RFC.

When you say that the misconfigured server mangles the bytes, I take it that 
you mean it does so by virtue of giving the wrong information to libxslt.  The 
test files are byte-for-byte identical when retrieved with wget, so they 
aren't directly modified by the server.

Thanks again for the info.  I appreciate the pointers.
Chuck
--
Chuck Bearden (cbearden rice edu ; 713.348.3661)
XML Engineer, Connexions
http://cnx.org/