Subject: RE: [xsl] XSLT/XPath 2.0 (was "Identifying two tags...") From: "bryan" <bry@xxxxxxxxxx> Date: Tue, 14 May 2002 14:12:31 +0200 |
(I was going to not post this but then I noticed all the push-back this thread was getting) David Carlisle wrote: > So what is needed is not conformance levels by which to grade > implementations but "processing modes" by which to control > schema use (or more often useful, non-use). I think this touches on something I expressed a wish for some months back, although probably the expression was lacking in coherency what with my awful coffee problems, would it be possible to have the "processing-modes by which to control schema use (or more often useful, non-use)" be elastic enough that a vendor could specify what validation language they implement. I know this might lead to some fragmentation but I don't think it would be too terrible, obviously Microsoft would support Xml Schema, as would Saxon, Xalan and the major processors; however I think there might be a chance that Xalan would support Relax NG(seems like the Apache thing to do) and that would make me soooo happy(I've got a tear in my eye just thinking about this) I also expect that SUN would come with a processor that supported them all, and think about what weirdness might be possible if you had a specialized processor built on top of msxml coming from topologi or some such with support for schematron - oh man I feel like I've been doing helium! [Next Bit] Okay, some of the other concerns addressed on the list a propos xml schema is applicable to this as well. Evan says Xml Schema is going to be in there; I'm one of the Xml Schema disparagers, just last week I was talking with some database guys at a major international firm that were using Xml Schema to validate their Xml Instances, or rather trying to...it's sad to see grown men cry about technically complex matters... damn I thought, a few lines of schematron would fix their problems. I think W3C is being wrongheaded in the way it attempts to gain adherents for Xml Schema, by saddling a heretofore successful technology XPath with it as baggage. That said, is there a working Xml Schema for Xslt yet? James Clark suggested that one reason for Trex was that he couldn't find a way to represent Xslt in Xml Schema. If there is not one, doesn't it seem strange to base schema integration in a language with a type of schema that cannot describe that language, given that the language is an application of another language the schema format is meant to describe? What if I want to process Xslt using Xslt, do I derive any benefit? Not to say that I ever would with Relax NG but still. Okay I think I've probably been wrongheaded at several points in this post myself but I sometimes feel I'm watching a train wreck in slow motion taking place somewhere in the clouds above the Grand Canyon, y'know? XSL-List info and archive: http://www.mulberrytech.com/xsl/xsl-list
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