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Re: Possible Erratum in XML 1.0 Fourth Edition Specification

From: François Yergeau <francois@yergeau.com>
Date: Tue, 31 Oct 2006 17:21:11 -0800
To: Joel Merritt <joel1@sbcglobal.net>
Cc: xml-editor@w3.org
Message-id: <4547F687.3030905@yergeau.com>

Joel Merritt a écrit :
> In the [88] Digit definition in  the XML 1.0 Fourth Edition 
> Specification, the character range [#x0BE7-#x0BEF] starts with a code 
> point whose last digit is #x7 and not #x6 like several other ranges.  
> Upon investigation, http://www.unicode.org/charts/PDF/U0B80.pdf defines 
> #x0BE6 as "TAMIL DIGIT ZERO", so it seems that the range should be 
> [#x0BE6-#x0BEF].

U+0BE6 TAMIL DIGIT ZERO was added to Unicode in version 4.1, March 2005 
(cf. http://www.unicode.org/Public/5.0.0/ucd/DerivedAge.txt).  It did 
not exist in 1998 when XML 1.0 was originally published.

XML 1.0 was based on the then current Unicode 2.0, leaving out U+0BE6 
was not an error and we cannot now enlarge the range to [#x0BE6-#x0BEF] 
by way of an erratum.

François Yergeau
Received on Wednesday, 1 November 2006 01:21:21 UTC

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