<xsl:variable name="header0"><xsl:value-of select="$interfaceURL"/>?url=</xsl:variable>
<xsl:variable name="thheader0"><xsl:value-of select="$thinterfaceURL"/>?url=</xsl:variable>
<xsl:variable name="header1"><xsl:value-of select="$escaped-processorURL"/>apply?keys=</xsl:variable>
<xsl:variable name="header0"><xsl:value-of select="$interfaceURL"/>?url=</xsl:variable>
<xsl:variable name="thheader0"><xsl:value-of select="$thinterfaceURL"/>?url=</xsl:variable>
<xsl:variable name="header1"><xsl:value-of select="$escaped-processorURL"/>apply?keys=</xsl:variable>