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RE: extended xhtml attribute with namespace not bound

2006-01-01 10:48:52
The error has nothing to do with the DTD/schema. Your input must be
namespace-well-formed XML, which means that if it contains an attribute
wicket:id then it must also contain a namespace declaration that binds the
prefix "wicket" to a URI.

Your input as shown below isn't even well-formed XML (attribute name
xmlns:wicket without a value) so I'm surprised it gets this far.

Michael Kay
http://www.saxonica.com/ 

-----Original Message-----
From: Juergen Donnerstag 
[mailto:juergen(_dot_)donnerstag(_at_)gmail(_dot_)com] 
Sent: 01 January 2006 11:24
To: xsl-list(_at_)lists(_dot_)mulberrytech(_dot_)com
Subject: [xsl] extended xhtml attribute with namespace not bound

Hi,

I'm using Wicket to develop a web application and my (wicket extended)
html markup looks like

<?xml version="1.0" encoding="UTF-8"?>
<html
    xmlns:wicket
    xmlns="http://www.w3.org/1999/xhtml"; xml:lang="en" lang="en">
<body>
  <span wicket:id="myLabel">mein Label</span>
</body>
</html>

Wicket identifies relevant tags by means of the wicket:id attribute
which from a Wicket point of view can be added to any tag. Wicket is a
server side web framework and handles the tags (in this case <span>)
accordingly. The wicket team choose the separate namespace to avoid
any collisions with any html tags. A wicket dtd or schema is currently
not available.

The markup above is what I'd like to XSL transform. You'll find my
"empty" xsl file below

<?xml version="1.0" encoding="ISO-8859-1"?>

<xsl:stylesheet version="1.0"
      xmlns:xsl="http://www.w3.org/1999/XSL/Transform";
      xmlns:wicket="http://wicket.sourceforge.net";>
      
<xsl:output method="xml" omit-xml-declaration="yes"/>

<xsl:template match="/">
</xsl:template>

</xsl:stylesheet>

I'm using jdk 1.5 and this is my error message
Caused by: 
com.sun.org.apache.xml.internal.utils.WrappedRuntimeException:
The prefix "wicket" for attribute "wicket:id" associated with an
element type "span" is not bound.

I think I understand the message but I don't know how to solve the
problem. I don't want to modify the XHTML dtd to include the wicket
tags, and I don't know how to write a dtd or schema which extends all
xhtml tags to allow for the wicket:id attribute. I don't even know if
that is possible/allowed at all. I guess what I need is either a way
to define the additional wicket attributes or to tell the xsl
processor to ignore the error and pass it trough unmodified.
I would very much appreciate any help.

Juergen

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