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RE: removing a null namespace

2005-04-29 05:42:44
You need to rename the elements in the source document: the namespace
component of the element names was null, and you want it to be
http://www.w3.org/1999/xhtml. xsl:copy-of does an exact copy, it can't be
used to make changes such as renaming the elements. So you need a variant of
the identity transform that renames all elements:

<xsl:template match="*" mode="rename">
  <xsl:element name="{local-name()}"
namespace="http://www.w3.org/1999/xhtml";>
    <xsl:copy-of select="namespace::*"/>  <!-- you may not need this line
-->
    <xsl:copy-of select="@*"/>
    <xsl:apply-templates mode="rename"/>
  </xsl:element>
</xsl:template>

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


-----Original Message-----
From: Gavin Montague [mailto:lists(_at_)gmontague(_dot_)co(_dot_)uk] 
Sent: 29 April 2005 13:04
To: xsl-list(_at_)lists(_dot_)mulberrytech(_dot_)com
Subject: [xsl] removing a null namespace

Hi,

I'd be grateful if someone could give me an answer/better solution to 
my problem....

I have a document which contains, in part, some fragments of xhtml.  
I'm using copy-of to pass these elements through to the final xhtml 
document unaltered but I find they are having a null 
namespace added.  
Here are some cut down's that will hopefully explain what I mean...

/////////////////////////  xsl ///////////////////////////
<?xml version="1.0"?>
<xsl:stylesheet version="1.0" 
xmlns:xsl="http://www.w3.org/1999/XSL/Transform"; 
xmlns="http://www.w3.org/1999/xhtml";>
<xsl:output method="xml"
     
doctype-system="http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd";
     doctype-public="-//W3C//DTD XHTML 1.0 Strict//EN" indent="yes"
/>
<xsl:template match="/">
<html lang="en" xml:lang="en">
<head>
        <meta http-equiv="Content-Type" 
content="application/xhtml+xml; 
charset=UTF-8" />
              <xsl:apply-templates select="document/metadata" />
              <link rel="stylesheet" type="text/css" 
href="/resources/sample.css" />
      </head>
      <body>
      <div id="container">
              <xsl:apply-templates 
select="document/content/markdown" />                         
              </div>
              </body>
</html>
</xsl:template>

<xsl:template match="markdown">
<xsl:copy-of  select="child::*"/>
</xsl:template>
</xsl:stylesheet>
/////////////////////////  output ///////////////////////////
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" 
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd";>
<html xmlns="http://www.w3.org/1999/xhtml"; lang="en" xml:lang="en">
   <head>
     <meta http-equiv="Content-Type" content="application/xhtml+xml; 
charset=UTF-8"/>
     <link rel="stylesheet" type="text/css" 
href="/resources/sample.css"/>
   </head>
   <body>
     <div id="container">

       <h1 xmlns="">header</h1>
       <p xmlns="">Lorem <em>ipsum</em> dolor sit amet, consectetuer 
adipiscing elit. Sed at justo id eros mollis lobortis. Donec 
dignissim. 
Aenean arcu. Nulla ultrices. Ut nec urna sed turpis elementum 
vehicula. 
Donec pretium mollis urna. Pellentesque pulvinar dui et erat. 
Donec sit 
amet dolor. Proin non dolor non nulla ullamcorper bibendum. 
Sed tempor 
ligula quis risus. Praesent a sapien nec leo imperdiet 
ultricies. Etiam 
ac justo. Maecenas euismod, dui ac aliquam tincidunt, erat sem 
hendrerit purus, eu dignissim sem sem sed odio. Suspendisse at leo. 
Phasellus vitae mauris et arcu malesuada aliquam. Mauris et pede. 
Vestibulum et augue.</p>
     </div>
   </body>
</html>
//////////////////////////
The xml document (not included here, but the relevant section is just 
plain <h1>header</h1><p>lipusm....</p>.

As I understand it doing a copy-of will include the namespace of the 
elements and, as there is no namespace in the original xml, 
this is "".

My problem is, how can I stop this being carried over into the 
transformed document?  I can't use exclude-result-prefixes to exclude 
"", unless I'm mistaken.

Any help would be gratefully received.

Thanks,
    Gavin


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