Can anyone tell me why I am getting this error?

"XSLT processing error: XML parser error 4: not well-formed (invalid 
token)"



I know the parameters in expat/php/sablotron are correct. I can get 
other things to parse.



the xsl:
<?xml version="1.0" encoding="UTF-8"?>
<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
xmlns="http://www.w3.org/TR/REC-html40"
xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
xmlns:DC="http://purl.oclc.org/dc/documents/rec-dces-199809.htm#"
xmlns:Technical="http://www.w3.org/2000/PhotoRDF/technical-1-0#"
version="1.0">
<xsl:output method="html" indent="no"/>
<xsl:template match="DC:Description">
<xsl:apply-templates/>
</xsl:template>
</xsl:stylesheet>

the xml:
<?xml version="1.0"?>
<rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
   xmlns="http://www.w3.org/1999/09/28-Photo-ns#"
    xmlns:DC="http://purl.oclc.org/dc/documents/rec-dces-199809.htm#"
    xmlns:Technical="http://www.w3.org/2000/PhotoRDF/technical-1-0#">
 <rdf:Description about="for awhile">
   <DC:Description>Take one</DC:Description>
   <DC:Type>image/jpeg</DC:Type>
   <DC:Subject>computers</DC:Subject>
   <DC:Source>ccd</DC:Source>
   <DC:Rights>public domain</DC:Rights>
   <DC:Title>Lets get this working</DC:Title>
   <DC:Date>2005-04-20</DC:Date>
   <DC:Coverage>USA</DC:Coverage>
   <DC:Creator>Me</DC:Creator>
   <Technical:devel-date>2005-05-01</Technical:devel-date>
   <Technical:lens>Minolta AF70-210</Technical:lens>
   <Technical:camera>Minolta800i</Technical:camera>
   <Technical:film>Fuji</Technical:film>
 </rdf:Description>
</rdf:RDF></xml>

aloha, nichols