Re: XML and ISO 10646 planes beyond the BMP

From: John Cowan (cowan@drv.cbc.com)
Date: Mon Aug 11 1997 - 15:13:20 EDT


Private replies to <cowan@ccil.org> to avoid bounces.

Misha Wolf wrote:

> S2. In both these places, amend the DESCSET accordingly: In the "SGML
> Declaration for XML", change the "65376" to "2147483488". In the
> box labelled "Scope Document", amend the "65536" to "2147483648".
> The SGML Declaration for HTML 4.0 has "2147483486" rather than
> "2147483488" (see the least significant digit), but I'll seek to
> have that changed.

By my reading of clause 7.1 of ISO/IEC 10646:1993, the correct
number of codepoints is 2147483646 (from 0000 0000 to 7FFF FFFD inclusive).
Deducting 160 for the C0, ASCII, and C1 ranges leaves 2147483486,
in conformity with HTML 4.0.

-- 
John Cowan	http://www.ccil.org/~cowan		cowan@ccil.org
			e'osai ko sarji la lojban



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