Subject: Re: [xsl] // expanding to descendant-or-self::node() From: Wendell Piez <wapiez@xxxxxxxxxxxxxxxx> Date: Tue, 16 Sep 2008 10:35:24 -0400 |
> currently // expands to /descendant-or-self::node()/ which is not owhat > one would first think of, but it works consistently without depending on > the following step. And that expansion is at the level of expression > terms not syntax fragments. > > one might expect // to expand to descendant:: but descendant:: itself > isn't really an expression, just part of the syntax for an axis step and > that causes problems.. > > //foo could have been defined to be /descendant::foo > but you can not define > //@foo to be descendant::@foo as that's a syntax error, wheras > /descendant-or-self::node()/@foo is all foo attributes in the document, > which is the desired meaning. > > similarly any other axis, including child:: > //child::foo can't expand to /descendant::child::foo
//@foo and //child:: would both be errors - //@* would need to be //*/@foo and //child:: doesn't make sense anyway
I think that's a better situation than we have now...
Cheers, Wendell
====================================================================== Wendell Piez mailto:wapiez@xxxxxxxxxxxxxxxx Mulberry Technologies, Inc. http://www.mulberrytech.com 17 West Jefferson Street Direct Phone: 301/315-9635 Suite 207 Phone: 301/315-9631 Rockville, MD 20850 Fax: 301/315-8285 ---------------------------------------------------------------------- Mulberry Technologies: A Consultancy Specializing in SGML and XML ======================================================================
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