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ifdefined test for variable

Subject: ifdefined test for variable
From: "Jon Smirl" <jonsmirl@xxxxxxxxxxxx>
Date: Thu, 5 Aug 1999 21:37:45 -0400
Using the latest XSLT spec, is there anyway to do an 'if defined' test on a
variable? I'm trying to add the variable as an attribute value if it is
defined. Here's what I'd like to do but I'm unable to figure out how to
achieve it.

<body>
<xsl:if test="ifdefined($onload)">
    <xsl:attribute name="onload">$onload</xsl:attribute>
</xsl:if>
    HTML text goes here
</body>

An even shorter way would be:

<body onload="{$onload}">

and to not generate the attribute if onload wasn't defined.

Jon Smirl
jonsmirl@xxxxxxxxxxxx



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