Re: Charsets + encoding + codesets

From: Glenn Adams (glenn@spyglass.com)
Date: Tue Oct 07 1997 - 11:49:22 EDT


At 02:48 PM 10/6/97 -0700, Keld J|rn Simonsen wrote:
>The trouble is that the "repertoire" of Unicode and 10646 is different.
>10646 is clear on what is the repertoire: it is the characters of all
>its code points. Unicode is clear on "abstract characters" that
>you can make abstract characters by combining a number of characters
>such as a base letter and then one or more combining accents.
>But the combinations are not defined or limited, so for Unicode
>you have an unlimited repertoire of Unicode abstract characters.
>

Keld,

Why do you continue to mis-represent the facts. The Unicode
Standard *does not* have an unlimited repertoire. The repertoires of
Unicode and 10646 *are* identical. Let me ask something of you Keld,
have you ever read the Unicode standard? If so, then you apparently
have a learning disability; if not, then you have no business making
these statements.

Just to make the facts clear, what Unicode calls an abstract character
*is not* a necessarily a member of the Unicode repertoire. The Unicode
repertoire is precisely the collection of characters coded as single
UCS-2 code values or two UCS-2 code values in the case of surrogate pairs
(i.e., in both instances equivalent to a single UCS-4 code value and
a single element of the 10646 repertoire).

Regards,
Glenn Adams [speaking for myself]



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