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Re: [xml-dev] q on xpath 2.0 reserved functions


> <xsl:value-of select="true+1"/>

that selects the element true, coerces its string value to a number
(which is NaN in this case) then adds 1 (resulting in NaN)

>     <test><xsl:value-of select="true-1"/></test>

That selects the sequence of elements with name true-1
which is empty in this case.


> Why is this the case?

because xml allows element with name <true-1/> but nit <true+1/>

David

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