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Re: expression syntax

2004-11-15 08:11:55

But woldn't value-of select="2004-11-15" give 1978?

Citando "M. David Peterson" <m(_dot_)david(_at_)mdptws(_dot_)com>:

G. Ken Holman wrote:


XPath 1.0 Section 3.4

  "When neither object to be compared is a node-set and the
   operator is <=, <, >= or >, then the objects are compared
   by converting both objects to numbers and comparing the
   numbers according to IEEE 754."

Mucho Gracias Ken!  I will note this in my notebook of "references that
may come in handy again some day" section :)


And "2004-11-15" is not a number, so the cast to a number results in NaN

Yeah, the "2004-11-15" not being considered a number I knew, but without
referencing the spec I was unsure of the exact nature of the number
function and what the intended primary purpose was.

... which, BTW, doesn't compare true in any comparison with anything,
including itself.

Wait, are you refering to attember a cast to a number and then
comparing?  Obviously if compared to another string of equal value it
would evaluate to true... or am I missing something that is important to
understand in the comparison of this particular string?


I hope this helps.

It does, as always!  Thanks Ken!

<M:D/>


........................... Ken

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