[Python-Dev] UCS2/UCS4 default
Jeroen Ruigrok van der Werven
asmodai at in-nomine.org
Thu Jul 3 19:35:45 CEST 2008
-On [20080703 19:21], Adam Olsen (rhamph at gmail.com) wrote:
>On Thu, Jul 3, 2008 at 7:57 AM, M.-A. Lemburg <mal at egenix.com> wrote:
>> Please remember that lone surrogate pair code points are perfectly
>> valid Unicode code points, nevertheless. Just as a lone combining
>> code point is valid on its own.
>
>That is a big part of these problems. For all practical purposes, a
>surrogate is like a UTF-8 code unit, and must be handled the same way,
>so why the heck do they confuse everybody by saying "oh, it's a code
>point too!"?
Because surrogate code points are not Unicode scalar values, isolated UTF-16
code units in the range 0xd800-0xdfff are ill-formed. (D91 from Unicode
5.0/5.1, section 3.9)
So, no, it is not a code point too.
--
Jeroen Ruigrok van der Werven <asmodai(-at-)in-nomine.org> / asmodai
イェルーン ラウフロック ヴァン デル ウェルヴェン
http://www.in-nomine.org/ | http://www.rangaku.org/ | GPG: 2EAC625B
Als men blijft geloven kan de zwaarste steen niet zinken...
More information about the Python-Dev
mailing list