plugins/xpath/xpath-lang/testData/xslt/highlighting/unusedVariable.xsl - platform/tools/idea - Git at Google

 <xsl:stylesheet version="1.1" xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
   <xsl:variable name="bar" />

   <xsl:template name="abc">
     <xsl:variable name="<warning>foo</warning>" />
   </xsl:template>
 </xsl:stylesheet>
	<xsl:stylesheet version="1.1" xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
	<xsl:variable name="bar" />

	<xsl:template name="abc">
	<xsl:variable name="<warning>foo</warning>" />
	</xsl:template>
	</xsl:stylesheet>