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Re: ifdefined test for variable

Subject: Re: ifdefined test for variable
From: Miloslav Nic <nicmila@xxxxxxxx>
Date: Fri, 06 Aug 1999 07:55:11 +0200
Look at http://zvon.vscht.cz/HTMLonly/XSLTutorial/Books/Book1/index.html
example 23.

Jon Smirl wrote:
> 
> 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
> 
>  XSL-List info and archive:  http://www.mulberrytech.com/xsl/xsl-list

-- 
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Dr. Miloslav Nic                        e-mail: nicmila@xxxxxxxx
Department of Organic Chemistry         TEL: +420 2 2435 5012  
ICT Prague (VSCHT Praha)                     +420 2 2435 4118
    				        FAX: +420 2 2435 4288  
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