[XSL-LIST Mailing List Archive Home] [By Thread] [By Date] [Recent Entries] [Reply To This Message] Re: XSLT/XPath 2.0 (was "Identifying two tags...")
Jeni Tennison wrote:
So you'll be able to use XPath 2.0 without worrying about schema stuff without any problems. With any luck, there will be levels of conformance that mean that processors won't have to support the more complex side of the validation system described in the XPath 2.0 draft, which means that if you're not interested in XML Schema validation then you won't have to be weighed down by a processor that is [ref. http://lists.xml.org/archives/xml-dev/200205/msg00343.html]. Respectfully, I don't agree with the "no worrying" part. Unless there is a named conformance level that doesn't require knowledge of the XML Schema spec, the PSVI, the modified PSVI defined by the XQuery 1.0 and XPath 2.0 data model, the XQuery formal semantics and the multitude of language about types in the XPath specs themselves - and I decide never to touch the "full XSLT 2.0" but only "XSLT 2.0 light" - and can persuade all others to do the same - I will have to worry about the complexity. There will always be people using static typing in xslt (whether they know it or not, or maybe just because it is there), and this will, I'm sure, cause problems that I will have to deal with at some point or other. And I'm not exactly thrilled about working with a language that I don't understand half of. XSLT 1.0 is not trivial, but it is graspable. XSLT 2.0 with static typing is not (I mean: has anyone actually read http://www.w3.org/TR/xmlschema-1/ and fully understood it? And that's just the foundation for the foundations of the data model of XPath 2 as it is used in XSLT 2. Wow.). I mean: I thought c++ was kind of complex, but c++ suddenly seems like childs play compared with XSLT 2. In other words, I'm very much in favour of the conformance level "XSLT 2.0-no-schema-types" (XSLTNST..?). I'm not so much worried about an implementation not handling XSLT 2 fast enough - I'm worried about me not handling XSLT 2 at all. And I wouldn't feel bad if the static typing stuff was dropped altogether. /dan -- Dan Holmsand Eyebee XSL-List info and archive: http://www.mulberrytech.com/xsl/xsl-list
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