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Re: //* and position()
- To: xsl-list at mulberrytech dot com
- Subject: Re: //* and position()
- From: Mike Brown <mike at skew dot org>
- Date: Thu, 7 Sep 2000 12:13:54 -0600 (MDT)
- Reply-To: xsl-list at mulberrytech dot com
Gary L Peskin wrote:
> In the case of //*[position() < 3], this is an abbreviation for
>
> /descendents-or-self::node()/child::*[position() < 3]
>
> In other words, this will select any node that is one of the first two
> children of another node.
> [...]
> In the case of $all_elements[position() < 3] (equivalent to
> (//*)[position() < 3]), this will select the first two items in the
> node-set $all-elements.
I saw this in the XPath spec when I was looking for the answer, but it
just didn't click. Even when I considered that // was an abbreviation, I
couldn't see how $foo[bar] was different from //*[bar] if $foo was //*.
Your explanation makes more sense. Thank you.
- Mike
____________________________________________________________________
Mike J. Brown, software engineer at My XML/XSL resources:
webb.net in Denver, Colorado, USA http://www.skew.org/xml/
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