[XSL-LIST Mailing List Archive Home] [By Thread] [By Date] [Recent Entries] [Reply To This Message] Re: () eq () vs () = ()
Hi,
On 9/30/2011 7:00 AM, David Carlisle wrote: So, each operator (with the possible exception of eq, which would perhaps most naturally have been defined to be an error on () eq () ) has a natural justification, and so the user will never be confused and order is restored to the universe... Mm. :-) The user who understands and accepts the rationale. Designing a system for use by people who do not fully understand is indeed an art. Method and consistency are important, but they only get you so far. This I know from experience since I am a user who only understands so much ... though I dare say this is true of all of us eventually (even Michael Kay) and XSLT actually works amazingly well, in general, in a situation of partial knowledge. It does help to know what you don't know. FWIW, I disagree with Andrew (or at any rate the earlier Andrew, before he understood) that () = () being false suggests that deep-equal((),()) should also be false; I see deep-equal() as being a different critter from = and that's the point. But I agree with David that () eq () giving an error might have been more "intuitive" for people like me (even if it is me, not the technology, that has to be intuitive). Oh, "to make things cozy for SQL people". I see. (Did I say something about people who don't understand? Should I have said something about people who understand something else?) 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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