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xml editor

Hi Guys,

I have typical issue in handling HTML content in XML document of the  
below structure and i want to replace the HTML template with the  
respective node element text.

HTML is not well formed. For that matter we are doing base64 encode  
of the html content.

Please provide any resolution for the same.

The replacement content might be in any part of the document.

Any suggestions are welcome.
Input content

<?xml version="1.0" encoding="UTF-8"?>

<broadcast>

 <content_vars>

  <content name="subject"><html>Hello [[BUYERS_NAME]]</html></ 
content><!--encoded-->

  <content name="text">REF Order [WEB_ORDER_NUMBER]</content><!-- 
encoded->

 </content_vars>
   	<ORDER_FEED>
<ORDER>
<ORDER_HEADER>
<BUYERS_NAME>Senthil</BUYERS_NAME>
<WEB_ORDER_NUMBER>W12345<WEB_ORDER_NUMBER>
</ORDER_HEADER>
<!--Line Items-->
</ORDER>
</ORDER_FEED>
</broadcast>
XSLT I tried for the same

<?xml version="1.0" encoding="UTF-8"?>

<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/ 
Transform">
<xsl:output method="html" indent="yes" />
<xsl:template match="/broadcast">
       <xsl:apply-templates select="content_vars/content" />
</xsl:template>
<xsl:template match="content">
    <xsl:variable name="temp1" select="translate(., '[]', '')" />
    <xsl:variable name="temp2"
select="normalize-space(../following-sibling::*[contains($temp1,
local-name())])" />
    <xsl:variable name="temp3"
select="local-name(../following-sibling::*[contains($temp1,
local-name())])" />
    <xsl:value-of select="substring-before($temp1, $temp3)"
/><xsl:value-of select="$temp2" /><xsl:value-of
select="substring-after($temp1, $temp3)" />
</xsl:template>
</xsl:stylesheet>
Expected output
<html>
Hello Senthil
REF Order W12345
</html>
And I am getting unexpected

<html>

Hello BUYERS_NAME

REF Order WEB_ORDER_NUMBER

</html>

Let me know how do I tweak the code to work as desired.

Other part is how Do I handle NOT well formed HTML content to  
consider as XML content.

Thank,
Senthil

xml editor

[xsl] Handling Un well-Formed content in XSLT and Replacement string