Subject: Re: [xsl] Confused about "/.." pattern From: Jeni Tennison <jeni@xxxxxxxxxxxxxxxx> Date: Thu, 16 May 2002 16:38:50 +0100 |
Hi Paul, > I'm a little confused about the interpretation of the pattern, "/.." > My feeble knowledge of XSLT would parse this as the parent of the > root, but that doesn't make any sense to me. Any help on what I'm > missing would be appreciated. That's absolutely right. As you know, the root doesn't have a parent, therefore the path /.. is a good way of getting an empty node set. People use it as the default value for parameters that should be passed node sets so that they can guarantee that if a value *isn't* passed for that parameter, the stylesheet won't crash when you try to use the nodes held in the parameter as the start of a path. Cheers, Jeni --- Jeni Tennison http://www.jenitennison.com/ XSL-List info and archive: http://www.mulberrytech.com/xsl/xsl-list
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