Re: XPath 2.0 - how much of XQuery should it include?
At 06:17 AM 5/11/2002 -0400, AndrewWatt2000@a... wrote: >I have asked you what is the vision for XPath and each time you have (in >the posts I have seen) failed to answer. > >How am I to interpret that? These are some possibilities that come to mind: >1. A clear strategy exists but you decline/refuse to share it. Impression >given - W3C does not consider us significant enough to have access to that >information. >2. No clear strategy exists. Impression given - you don't want us to >realise how ad hoc all this is. > >There are other variants but hopefully you get the idea. [[ !!! SNIP !!! ] >So, I will ask you once more: "What is the vision/strategy for XPath 2.0?". Actually, I have responded to requests on this topic, pointing you to the XPath 2.0 requirements document. This is largely a set of requests that XSLT users have made for extensions to XPath, as I understand it. Since XQuery provides these features, XPath has been taking them up. That's an incremental, rather than a revolutionary vision. I'm not convinced that current XPath users need anything revolutionary. However, support for types *is* one of the features that has been requested. The main places I see XPath being used today are in XSLT patterns, for querying XML stored in databases, and as a sublanguage in various home-grown systems. I have not seen a lot of commercial support for XPointer to date. Another *very* important vision for XPath 2.0 is to have a more orthogonal language, getting rid of a lot of the complicated special casing in XPath 1.0 that made it difficult to use as a subset of XQuery. Jonathan
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