<xslt:variable name="书社:expansion-fragment">
<xslt:apply-templates select="$书社:source/node()" mode="书社:expand"/>
</xslt:variable>
<xslt:variable name="书社:expansion" select="书社:document-with-attributes-applied(exsl:node-set($书社:expansion-fragment))"/>
<xslt:variable name="书社:result-fragment">
<xslt:variable name="书社:expansion-fragment">
<xslt:apply-templates select="$书社:source/node()" mode="书社:expand"/>
</xslt:variable>
<xslt:variable name="书社:expansion" select="书社:document-with-attributes-applied(exsl:node-set($书社:expansion-fragment))"/>
<xslt:variable name="书社:result-fragment">