>Doug Ewell wrote:
>Harald Tveit Alvestrand <Harald@Alvestrand.no> wrote:
>
>> the current trend in UNICODE/ISO 10646 seems to be to limit the number
>> of planes to 17 (U+0 to U+10FFFF).
>> Can someone tell me the rationale for not deprecating plane 16, and
>> leave us with the much more rational U+0 to U+FFFFF?
>> Or even allocating the whole bit, and making it U+0 to U+1FFFFF?
>
>The "obvious" answer is that U-0010FFFF is the highest code point
>accessible through the UTF-16 retrofit. You couldn't allocate through
>U-001FFFFF (plane 31) because everything from plane 18 on could not be
>reached with UTF-16.
So what? There is no reason to limit the range just because of UTF-16
(which is a dreadfull thing removing many good character code values
so they cannot be used as characters).
Either use UCS-4 to represent your characters or UTF-8. Both allows
the full UCS range (all 31 bits).
Dan
This archive was generated by hypermail 2.1.2 : Tue Jul 10 2001 - 17:20:59 EDT