xslt numeric comparisons

["Ian Sparks" <isparks@xxxxxxxxxxxxxxx>]

Here is a snippet from my xsl transform which fails (under the MSXML v3
engine) :

  <xsl:param name="start">10</xsl:param>
  <xsl:param name="end">20</xsl:param>
  <xsl:param name="size">10</xsl:param>
  <xsl:param name="maxrecords">200</xsl:param>

     <xsl:choose>
        <xsl:when test="($start - $size) >= $size">Previous</xsl:when>
        <xsl:when test="($start - $size) < $size">Next</xsl:when>
     </xsl:choose>


It appears to choke on the <xsl:when test="($start - $size) < $size">
section, complaining that the "<" is invalid.

"The character '<' cannot be used in an attribute value"

This comparison looks valid to my (albeit inexperienced eye) can anyone
explain the problem?

Many thanks.

- Ian Sparks.









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