Subject: Re: [xsl] Namespace Identifiers - URI, URN, URL? From: "Michael Beddow" <mbnospam@xxxxxxxxxxx> Date: Wed, 29 Aug 2001 16:25:22 +0100 |
> My guess is that this would be an alias contained within the XML parser Well, a unique identifier (for which "xsl" is then one of an unlimited number of possible local aliases), yes > because if it was an actual URL, then the earlier versions of the MSXML > parser would not have to be upgraded. Alas, another plausible misunderstanding the W3C have inflicted on us by using URIs for unique identifiers. The XSL namespace identifiers do happen to be resolvable URLs, but under no circumstances could an XML processor be allowed to resolve them in order to obtain updateable information about what they identify. If that were allowed, they wouldn't be unique identifiers. A "unique" identifier cannot identify one thing today and a different thing tomorrow. It would be an equivalent error to suggest the Microsoft could have "solved" the "compatability mode" woes over MSXML by assigning the same CLSID to successive releases of MSXML. Of course, nobody would make such a suggestion about CLSIDs because their format, unlike URI's, doesn't invite such confusions. Michael --------------------------------------------------------- Michael Beddow http://www.mbeddow.net/ XML and the Humanities page: http://xml.lexilog.org.uk/ --------------------------------------------------------- XSL-List info and archive: http://www.mulberrytech.com/xsl/xsl-list
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