[xsl] special chars appearing in href - %09 %0A etc

[Jitu <jibhatia@xxxxxxxxxxx>]

Hi

I am trying to create href out of my xsl but some special characters 
like %09 and %0A are getting added to the href.
How can i avoid this

My XSL is :

                       <a>
                           <xsl:attribute name="href">
                                                       <xsl:value-of 
select="$url"/>?a=b&amp;c=d
                           </xsl:attribute>
                           <xsl:value-of select="."/>
                       </a>   

The href produced is :
http://localhost:8080/report/servlet/RepManagerServlet?a=b&c=d 
%0A%0A%09%09%09%09%09%09%09

What could be the problem.
I am using xalan and xerces.

regds
Jitu



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