On Thursday, July 17, 2003 9:23 PM, Michael Everson <[EMAIL PROTECTED]> wrote:

> At 17:01 +0100 2003-07-17, William Overington wrote:
> > Now, I have never heard of the MES-2 whatever that is.  However, I
> > do not have deep knowledge of the various standards which exist. 
> > Could you possibly say some more about MES-2 please.
> 
> 282 MES-2 is specified by the following ranges of code positions as
> indicated for each row.
> Rows: Positions (cells)
> 00: 20-7E A0-FF
> 01: 00-7F 8F 92 B7 DE-EF FA-FF
> 02: 18-1B 1E-1F 59 7C 92 BB-BD C6-C7 C9 D8-DD EE
>
> 03: 74-75 7A 7E 84-8A 8C 8E-A1 A3-CE D7 DA-E1
> 04: 00-5F 90-C4 C7-C8 CB-CC D0-EB EE-F5 F8-F9
>
> 1E: 02-03 0A-0B 1E-1F 40-41 56-57 60-61 6A-6B 80-85 9B
>       F2-F3
> 1F: 00-15 18-1D 20-45 48-4D 50-57 59 5B 5D 5F-7D
>       80-B4 B6-C4 C6-D3 D6-DB DD-EF F2-F4 F6-FE
> 20: 13-15 17-1E 20-22 26 30 32-33 39-3A 3C 3E 44 4A
>       7F 82 A3-A4 A7 AC AF 
> 21: 05 16 22 26 5B-5E 90-95 A8
> 22: 00 02-03 06 08-09 0F 11-12 19-1A 1E-1F 27-2B
>       48 59 60-61 64-65 82-83 95 97 
> 23: 02 10 20-21 29-2A
>
> 25: 00 02 0C 10 14 18 1C 24 2C 34 3C 50-6C 80 84 88 8C
>       90-93 A0 AC B2 BA BC C4 CA-CB D8-D9
> 26: 3A-3C 40 42 60 63 65-66 6A-6B
>
> FB: 01-02
> FF: FD

As most of these characters are canonically decomposable, shouldn't this
list include also the decomposed characters?

Why is row 03 so resticted? Shouldn't it include those accents and
diacritics that are used by other characters once canonically
decomposed? Or does it imply that MES-2 is only supposed to use
strings if NFC form?

Also, is this list under full closure with existing character properties, like
NFKD decompositions, and case mappings?

-- 
Philippe.
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