Subject: RE: [xsl] Better include them in the XSLT 2.0 spec (Was: Re: [xsl] Time for an exslt for 2.0?) From: "Michael Kay" <mike@xxxxxxxxxxxx> Date: Thu, 12 May 2005 23:15:51 +0100 |
> Or be prepared for all kinds of a nasty surprise following the fact > that the value of > > my:f($x) is my:f($x) > > is generally not guaranteed to be true() Yes indeed. The folks writing the formal semantics have been having fun with this - as have the folks writing optimizers, and those writing test suites ;-) It's not really any worse than the fact that (in XQuery notation) (<a/> is <a/>) return false. In fact, the problem is even there in XSLT 1.0. Michael Kay
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