Re: variable going out of scope in a for-each loop?

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At 15:22 9-12-2001, Mike Brown wrote:
>Eric Smith wrote:
> > xsl fragment:
> >
> >      <xsl:for-each select="cell">
> >          <xsl:if test="number(.)=number(.)">
> >            We have a number here
>
>I think you meant
>
>            <xsl:if test="string(.) = number(.)">

No, he didn't.  This is a clever little bit of hackery.  NaN is not equal 
to itself.  So if the node value is a number, number(.)=number(.) is a 
tautology, but if the node value *isn't* a number, then NaN=NaN is false.

~Chris
- -- 
Christopher R. Maden, Principal Consultant, HMM Consulting Int'l, Inc.
DTDs/schemas - conversion - ebooks - publishing - Web - B2B - training
<URL: http://www.hmmci.com/ > <URL: http://crism.maden.org/consulting/ >
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