RE: [xsl] A proposal:xsl:result-document asynchronous attribute

Subject: RE: [xsl] A proposal:xsl:result-document asynchronous attribute
From: "Lars Huttar" <lars_huttar@xxxxxxx>
Date: Tue, 11 Mar 2003 14:23:58 -0600
Jeni Tennison wrote:
> Sent: Tuesday, March 11, 2003 5:22 AM
> Subject: Re: [xsl] A proposal:xsl:result-document 
> asynchronous attribute
> 
> Hi Americo,
> 
> > Does this means that doing something like
> > <xsl:if test="$foo=$foo"> might return false??
> 
> Yes, if the post() function is not idempotent (if it may return
> different results each time that it's used with the same arguments).

Actually, test="$foo = $foo" can return false already as it is,
e.g. if $foo is set to NaN.  Does this mean that the "constant" NaN
isn't idempotent (thinking of it as a function of zero arguments)?
Or to put it another way, number() is not idempotent if its argument
is "snizzlfritz" ... right?

Lars


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