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RE: test if null

Subject: RE: test if null
From: Wendell Piez <wapiez@xxxxxxxxxxxxxxxx>
Date: Thu, 30 Jun 2005 14:01:36 -0400
xsl test if null
At 06:13 PM 6/29/2005, Mike wrote:
> Also, an aside -- I'm sure there's a reason why some people prefer
> "string-length(.)!=0" to "string()" (or more robustly,
> "normalize-space()")
> -- but I've never been able to guess what it could be.

Slight unease, I think, at relying on implicit type conversion. It feels a
bit sneaky, like using 0 to mean false in C.

Yes, funny that. I admit I also like the sneakiness of "0" for false. :-> (And of course the string-length solution does a type-conversion too.)


====================================================================== Wendell Piez mailto:wapiez@xxxxxxxxxxxxxxxx Mulberry Technologies, Inc. http://www.mulberrytech.com 17 West Jefferson Street Direct Phone: 301/315-9635 Suite 207 Phone: 301/315-9631 Rockville, MD 20850 Fax: 301/315-8285 ---------------------------------------------------------------------- Mulberry Technologies: A Consultancy Specializing in SGML and XML ======================================================================

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