> You need to declare a single variable, and set its value 
> conditionally:
> 
> <xsl:variable name="wasLeft">
>   <xsl:choose>
>     <xsl:when test="some condition">0</xsl:when>
>     <xsl:otherwise>1</xsl:otherwise>
>   </xsl:choose>
> </xsl:variable>

Really?  Does this mean that a variable is evaluated every time it is accessed?  I thought it was evaluated when it was defined, and then static while in scope.

-- 
  Thorbjørn


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