<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" version="1.0">
<xsl:output method="xml" encoding="utf-8" />
<xsl:variable name="s">&lt;xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform"&gt;
&lt;xsl:output method="xml" encoding="utf-8" /&gt;
&lt;xsl:variable name="s"&gt;&lt;/xsl:variable&gt;
&lt;xsl:template match="/"&gt;
&lt;xsl:value-of select="substring($s,1,148)" disable-output-escaping="yes" /&gt;
&lt;xsl:value-of select="$s" /&gt;
&lt;xsl:value-of select="substring($s,149)" disable-output-escaping="yes" /&gt;
&lt;/xsl:template&gt;
&lt;/xsl:stylesheet&gt;
</xsl:variable>
<xsl:template match="/">
<xsl:value-of select="substring($s,1,148)" disable-output-escaping="yes" />
<xsl:value-of select="$s" />
<xsl:value-of select="substring($s,149)" disable-output-escaping="yes" />
</xsl:template>
</xsl:stylesheet>