Length of a variable?

Subject: Length of a variable?
From: nigel.byrnes@xxxxxxxxxxx
Date: Wed, 15 Mar 2000 19:27:08 +0100
Hi all

Considering a the following xml code:


it is possible to set the variable colours to contain both colour elements as follows:

<xsl:variable name="colours" select="colour"/>

Further on in the stylesheet, there is to be a branch on whether $colours contains any colur elements or not. I have tried the following expressions without any success:

<xsl:if test="$colours[last()=0]">...</xsl:if>
<xsl:if test="$colours=''">...</xsl:if>

Does anyone have any ideas?


Nigel Byrnes, Philips Research
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