XSL bracket nested in HTML a tag

Hi all,
I'm currently writing an XSL file in order to transform an XML file into
HTML.
I'm using an XSL parameter :  <xsl:param
name="server">www.hp.com</xsl:param>
so, in my XSL file, I want to use :
<a HREF="http://<xsl:value-of select="$server">">, but guess what... It
doesn't work!
the parser does not accept bracket within tag.
Has anybody an idea about how to solve this pb?

thanks

Patrick


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