<xsl:text disable-output-escaping="yes">]]></xsl:text>
</description>
<xsl:if test="$generate-enclosure = 1">
- <xsl:copy-of select="php:function('Tweeper::generateEnclosure', string($picture-url))"/>
+ <xsl:copy-of select="php:functionString('Tweeper::generateEnclosure', $picture-url)"/>
</xsl:if>
</item>
</xsl:template>