1. <?xml version="1.0" encoding="UTF-8" ?>
2. <?xml-stylesheet href="mondeuxieme.xsl" type="text/xsl"?>
4. <refs>
5.  <cat1>
6.   <name>toto</name>
7.  </cat1>
8.  <cat1>
9.   <name>tata</name>
10.  </cat1>
12.  <cat2>
13.   <name>tutu</name>
14.  </cat2>
15.  <cat2>
16.   <name>toto</name>
17.  </cat2>
18. </refs>

1. <xsl:variable name="namePath" select="//name" />
2. <xsl:for-each select="$namePath">
3.     <xsl:variable name="a" select="position()"/>
4.     <p><xsl:value-of select="$namePath[$a]"></xsl:value-of></p>
5. </xsl:for-each>

1. <p>toto</p>
2. <p>tata </p>
3. <p>tutu</p>
4. <p>toto</p>

1. <p>toto </p>
2. <p>tata </p>
3. <p>tutu</p>

<?xml version="1.0" encoding="UTF-8"?>
<xsl:stylesheet  
  xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
  version="2.0">
  
  <xsl:output method="xml" indent="yes"/>
  
  <xsl:template match="/">
    <xsl:for-each select="distinct-values(//name)">
      <p><xsl:value-of select="."/></p>
    </xsl:for-each>
  </xsl:template>
  
</xsl:stylesheet>

<?xml version="1.0" encoding="UTF-8"?>
<xsl:stylesheet  
  xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
  version="2.0">
  
  <xsl:output method="xml" indent="yes"/>
  
  <xsl:template match="/">
    <xsl:for-each select="distinct-values(//name)">
      <xsl:sort select="."/>
        <p><xsl:value-of select="."/></p>
    </xsl:for-each>
  </xsl:template>
  
</xsl:stylesheet>