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RE: Vendor-specific data-types
- To: "'xsl-list at lists dot mulberrytech dot com'" <xsl-list at lists dot mulberrytech dot com>
- Subject: RE: [xsl] Vendor-specific data-types
- From: Andrew Kimball <akimball at microsoft dot com>
- Date: Thu, 22 Feb 2001 17:21:11 -0800
- Reply-To: xsl-list at lists dot mulberrytech dot com
>From section 14: "XSLT allow two kinds of extensions, extension elements and
extension functions". Since adding data-types extends XSLT, this sentence
implies that vendors may not do this.
I admit that my argument is inconclusive--the spec just doesn't seem to
resolve this question clearly either way. This would be a good candidate
for WG debate and insertion into the errata.
~Andy
-----Original Message-----
From: Michael Kay [mailto:mhkay@iclway.co.uk]
Sent: Thursday, February 22, 2001 4:23 PM
To: xsl-list@lists.mulberrytech.com
Subject: RE: [xsl] Vendor-specific data-types
XPath says (section 1) that the value of an expression may be "of additional
types not specified here".
Beyond that, I can only fall back on the defense that everything is allowed
unless the spec prohibits it; and it doesn't prohibit vendor-defined data
types.
Mike Kay
>
> Michael Kay's XSLT Programmer's Reference mentions on page
> 123 that vendors
> are allowed to add custom data types to XSLT/XPath. Can
> anyone point me to
> the place in the XSLT/XPath specs where this is mentioned?
>
> Thanks,
> Andy Kimball
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