RE:Re: [Proposal] Extended UTF-16 by us

From: B (前寺正彦)
Date: Mon Apr 12 1999 - 23:07:51 EDT


Dear, Mr.Peter Constable.

  Thank you for your comment.

>>>UCS-4 range:
>>> 0x00110000-0x3FFFFFFF

>>>Extended UTF-16 expression:
>>> U+DB7C + low surrogate + U+DB7E + low surrogate + U+DB7F + low surrogate

>>>UCS-4 range:
>>> 0x40000000-0x7FFFFFFF

>>>Extended UTF-16 expression:
>>> U+DB7D + low surrogate + U+DB7E + low surrogate + U+DB7F + low surrogate

>>In addition to Geoffrey's comments, is there not also a problem
>>with this that the sequence of three pairs of high- and
>>low-surrogates can (and, in accordance with existing
>>specifications, should) be interpreted as a seqence of three
>>surrogate pairs, i.e. three characters in the range x10000 -
>>10FFFF?

  I would like to use other expression in addition to those.
  0x000EF000-0x000EF7FF ex-high surrogate
  0x000EF800-0x000EFBFF ex-middle surrogate
  0x000EFC00-0x000EFFFF ex-low surrogate

  According to my proposal,
  These areas are reserved for transformation.

Best regards,
  Masahiko Maedera.



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