Re: using boolean to compare id numbers

  <xsl:if test="preceding-sibling::user/@uid=@uid">

  Isn't this some of those "heavy-weight" instructions if the XML is big?


yes but I usually work on a principle of get it working before speeding
it up.

If you prefer:

<xsl:key name="x" match="user" use="@uid"/>

<xsl:template match="user">
 <xsl:if test="key('x',@uid)[2]">
  <xsl:message>oops</xsl:message>
 </xsl:if>
....


David

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