<xsl:stylesheet xmlns:xsl = "http://www.w3.org/1999/XSL/Transform" version = "1.0" >
          <xsl:output method = "text" />

          <xsl:template match = "/" >
               <xsl:text >
      contains zvon: </xsl:text>
               <xsl:value-of select = "contains('http://zvon.org','zvon')" />
               <xsl:text >
      contains ZVON: </xsl:text>
               <xsl:value-of select = "contains('http://zvon.org','ZVON')" />
          </xsl:template>
     </xsl:stylesheet>
Author: Miloslav Nic [nicmila@idoox.com]