[XSL-LIST Mailing List Archive Home] [By Thread] [By Date] [Recent Entries] [Reply To This Message] Re: How do you test for "if something exists" using <xsl:if>
> How do I express "if x exists" > ie. if the value of the parameter "x" exists you don't. You can always tell if a parameter is in scope at the time the stylesheet is written, it never depends on run time behaviour. parameters in scope always have a value, you can't declare without giving a value in xslt. <xsl:if test="{$x}"> test is not an AVT so you don't want the {} <xsl:if test="$x"> tests if x has the value true if coerced to a boolean. in particular it tests if a node set valued variable is non empty. David XSL-List info and archive: http://www.mulberrytech.com/xsl/xsl-list
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