Re: XSL:key and Column grouping

<xsl:for-each select="key('map', mapunits/maps)[position() mod 3 = 1]">
  <tr valign="top" style="width:100%">
    <xsl:apply-templates select=".|following-sibling::maps[position() &lt;
3]"/>
  </tr>
</xsl:for-each>

<xsl:variable name="key-value" select="mapunits/maps"/>
<xsl:for-each select="key('map', $key-value)">
  <xsl:if select="position() mod 3 = 1">
    <xsl:variable name="pos" select="position()"/>
    <tr valign="top" style="width:100%">
      <xsl:apply-templates select=". |
         key('map', $key-value)[$pos+1] |
         key('map', $key-value)[$pos+2]"/>
      <!-- and maybe you'll want code here to provide
           blank cells when you don't have exact multiples of three -->
    </tr>
  </xsl:if>
</xsl:for-each>

Cheers,
Wendell

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Wendell Piez                            mailto:wapiez@xxxxxxxxxxxxxxxx
Mulberry Technologies, Inc.                http://www.mulberrytech.com
17 West Jefferson Street                    Direct Phone: 301/315-9635
Suite 207                                          Phone: 301/315-9631
Rockville, MD  20850                                 Fax: 301/315-8285
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