RE: Defining a Variable that depends on an unknown num

> xsl file: How do I define variable "hasZero" based on these 
> conditions...
>   a) if at least one option has value="0", set "hasZero" to "yes"
>   b) otherwise "hasZero" is "no".
> 

<xsl:variable name="hasZero">
  <xsl:choose>
    <xsl:when test="option[@value='0']">yes</xsl:when>
    <xsl:otherwise>no</xsl:otherwise>
  </xsl:choose>
</xsl:variable>

Michael Kay
http://www.saxonica.com/