> The construct I am using (in about 20 places in my transformation) is:
> 
>    <xsl:choose>
>       <xsl:when test="optional-element"><xsl:value-of
>    select="optional-element"/></xsl:when>
>       <xsl:otherwise>default-value</xsl:otherwise>
>    </xsl:choose>
> 
> This works, but seems to run slowly. I am using Xalan 1.0.

You can try:

concat( optional-element, 
        substring(default-value, boolean(optional-element)*1000000))

but I've no idea if it's faster.

Mike Kay 


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