number("2,000") -> NaN

Hi. Xalan-J outputs <xsl:number level="any"/> formatted
with grouping separator , (comma) as in 1,024

I need a numerical value which I can do some arithmetic
on. I tried using the number() function, but to no avail.
How can I strip the grouping separator or get a proper number
rather than the formatted string?

Thanks,

Morten



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