Parameters of named templates

      <xsl:stylesheet
                  xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
                  version="2.0">
            <xsl:output  method="xml"
                        indent="yes"
                        omit-xml-declaration="yes"/>

            <xsl:template  match="/">
                  <xxx>
                        <xsl:call-template  name="x">
                              <xsl:with-param  name="a"
                                          select="10"/>
                        </xsl:call-template>
                        <xsl:call-template  name="x">
                              <xsl:with-param  name="a"
                                          select="33"/>
                        </xsl:call-template>
                  </xxx>
            </xsl:template>

            <xsl:template  name="x">
                  <xsl:param  name="a"/>
                  <yyy>
                        <xsl:value-of  select="10 * $a"/>
                  </yyy>
            </xsl:template>

      </xsl:stylesheet>

      <aaa>
            <bbb  id="id1"/>
            <ccc  id="id2"/>
      </aaa>

      <xxx>
            <yyy>100</yyy>
            <yyy>330</yyy>
      </xxx>