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Re: A - B
- From: Mike Brown <mike at skew dot org>
- To: xsl-list at lists dot mulberrytech dot com
- Date: Thu, 22 Aug 2002 11:40:03 -0600 (MDT)
- Subject: Re: [xsl] A - B
- Reply-to: xsl-list at lists dot mulberrytech dot com
pcoustillas wrote:
> hi, how could i do A-B when A or B does not exist or is absent...
> because without a test i recieve "NaN". Thanks.
NaN is the correct answer, if A or B cannot both be converted to numbers.
What do you want that would be different than this? Do you want non-numbers
like empty strings and empty node-sets to be treated as zeroes?
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