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Re: p:http-request content-type and encoding

From: Henry S. Thompson <ht@inf.ed.ac.uk>
Date: Thu, 26 Feb 2009 17:33:33 +0000
To: Norman Walsh <ndw@nwalsh.com>
Cc: public-xml-processing-model-comments@w3.org
Message-ID: <f5btz6hyufm.fsf@hildegard.inf.ed.ac.uk>
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I think Norm's use-case can't arise, for reasons discussed on today's
call, but Alex's question ("How do I send an XQuery which contains
only properly balanced XML, e.g. suppose I have constructed:

 <c:body content-type="text/plain">
  <books>
   { for $b in //book
      return $b/title
   }
  </books>
 </c:body>

will that work?

Answer: No, Don't Do That, you must do:

 <p:escape-markup name="em">
  <p:input port="source">
   <p:inline>
    <root>
     <books>
      { for $b in //book
         return $b/title
      }
     </books>
    </root>
   </p:inline>
  </p:input>
 </p:escape-markup>

 <p:insert position='first-child'>
  <p:input port="source">
   <p:inline>
    <c:body content-type="text/plain"/>
   </p:inline>
  </p:input>
  <p:input port="insertion" select="/root/node()">
   <p:pipe step="em" port="result"/>
  </p:input>
 </p:insert>

 <p:http-request. . .

ht

[I note that the documentation of p:escape-markup is lacking clarity
wrt what is preserved of the document element -- if it specified that
its attrs were passed through, then the above could be reversed and
simplified.]

[I note that the documentation of p:escape-markup appears to contain
nearly the same note twice, and a _very_ odd final paragraph]

- -- 
       Henry S. Thompson, School of Informatics, University of Edinburgh
                         Half-time member of W3C Team
      10 Crichton Street, Edinburgh EH8 9AB, SCOTLAND -- (44) 131 650-4440
                Fax: (44) 131 651-1426, e-mail: ht@inf.ed.ac.uk
                       URL: http://www.ltg.ed.ac.uk/~ht/
[mail really from me _always_ has this .sig -- mail without it is forged spam]
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Received on Thursday, 26 February 2009 17:34:32 GMT

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