RE: [xsl] XSLT 2.0 empty string

Subject: RE: [xsl] XSLT 2.0 empty string
From: "Michael Kay" <mike@xxxxxxxxxxxx>
Date: Mon, 28 Feb 2005 16:06:26 -0000
> Is the error XT0570?
> [ERR XT0570] It is a type error if the supplied value of a 
> variable cannot be converted to the required type.

> How should we read the '?' in this case?
>  Convert to string if you can, else don't bother?

The ? is part of the type. It means that the value (after atomization) must
either be a string, or nothing (an empty sequence).

Michael Kay

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