>  <xsl:stylesheet version="1.0"
>   xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
>   <xsl:output omit-xml-declaration="yes"/>
>   
>    <xsl:template match="@* | node()">
>      <xsl:copy>
>        <xsl:apply-templates select="@*"/>
>        <xsl:apply-templates select="node()[1]"/>
>      </xsl:copy>
>      <xsl:apply-templates select="following-sibling::node()[1]"/>
>    </xsl:template>
>  
>  </xsl:stylesheet>
>  
>  This transformation produces the same results as the more well-known
>  identity rule.
>  
>  The difference is that we now have the finest possible grain-level of
>  controll as every xsl:apply-templates instruction above always selects
>  at
>  most one node.
>  
>  It is trivial to add parameters and to override the one-at-a-time
>  identity
>  for elements. Thus we finally have:
>  
>  <xsl:stylesheet version="1.0"
>   xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
>   <xsl:output omit-xml-declaration="yes"/>
>   
>    <xsl:template match="@* | node()">
>      <xsl:param name="pnAncestors" select="0"/>
>      <xsl:param name="pnPreceding" select="0"/>
>      <xsl:copy>
>        <xsl:apply-templates select="@*"/>
>        <xsl:apply-templates select="node()[1]">
>          <xsl:with-param name="pnAncestors" 
>                          select="$pnAncestors+1"/>
>          <xsl:with-param name="pnPreceding"
>                          select="$pnPreceding"/>
>        </xsl:apply-templates>
>      </xsl:copy>
>      <xsl:apply-templates select="following-sibling::node()[1]">
>        <xsl:with-param name="pnAncestors" 
>                        select="$pnAncestors"/>
>        <xsl:with-param name="pnPreceding"
>                        select="$pnPreceding+1"/>
>            
>      </xsl:apply-templates>
>    </xsl:template>
>    
>    <xsl:template match="*">
>      <xsl:param name="pnAncestors" select="0"/>
>      <xsl:param name="pnPreceding" select="0"/>
>      
>      <xsl:copy>
>        <xsl:copy-of select="@*"/>
>        <xsl:attribute name="_id">
>          <xsl:value-of select=
>                      "concat(name(), '_',
>                              $pnAncestors, '_', 
>                              $pnPreceding 
>                              )"/>
>        </xsl:attribute>
>      </xsl:copy>
>      <xsl:apply-templates select="node()[1]">
>        <xsl:with-param name="pnAncestors" 
>                        select="$pnAncestors+1"/>
>        <xsl:with-param name="pnPreceding"
>                        select="$pnPreceding"/>
>      </xsl:apply-templates>
>      <xsl:apply-templates select="following-sibling::node()[1]">
>        <xsl:with-param name="pnAncestors" 
>                        select="$pnAncestors"/>
>        <xsl:with-param name="pnPreceding"
>                        select="$pnPreceding+1"/>
>            
>      </xsl:apply-templates>
>      
>    </xsl:template>
>  
>  </xsl:stylesheet>


Ooppss... 

The last but one xsl:apply-templates must be inside xsl:copy.

So, the correct override for elements is:

  <xsl:template match="*"> 
    <xsl:param name="pnAncestors" select="0"/> 
    <xsl:param name="pnPreceding" select="0"/> 
    
    <xsl:copy> 
      <xsl:copy-of select="@*"/> 
      <xsl:attribute name="_id"> 
        <xsl:value-of select=
                    "concat(name(), '_',
                            $pnAncestors, '_', 
                            $pnPreceding 
                            )"/> 
      </xsl:attribute> 
      <xsl:apply-templates select="node()[1]"> 
        <xsl:with-param name="pnAncestors" 
                        select="$pnAncestors+1"/> 
        <xsl:with-param name="pnPreceding"
                        select="$pnPreceding"/> 
      </xsl:apply-templates> 
    </xsl:copy> 
    <xsl:apply-templates select="following-sibling::node()[1]"> 
      <xsl:with-param name="pnAncestors" 
                      select="$pnAncestors"/> 
      <xsl:with-param name="pnPreceding"
                      select="$pnPreceding+1"/> 
          
    </xsl:apply-templates> 
    
  </xsl:template> 

Cheers,

Dimitre Novatchev 
FXSL developer,

http://fxsl.sourceforge.net/ -- the home of FXSL
Resume: http://fxsl.sf.net/DNovatchev/Resume/Res.html


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