[Bug 28740] GB18030 : specify that it's GB18030-2000 s opposed to GB18030-2005

https://www.w3.org/Bugs/Public/show_bug.cgi?id=28740

--- Comment #1 from Jungshik Shin <jshin@chromium.org> ---
Created attachment 1612
  --> https://www.w3.org/Bugs/Public/attachment.cgi?id=1612&action=edit
GB18030-2000 vs GB18030-2005 : PUA =>regular

The attachment lists all the  PUA code points for which Simsun (font on
Windows) have glyphs.

The first column is GB18030 byte sequences (2-byte). The second is GB18030-2000
Unicode mapping (PUA) and the third is GB18030-2005 (presumably if glibc's
iconv is correct [1] ) Unicode mapping (non-PUA). 

Simsun have glyphs for PUA code points, but it does not cover regular non-PUA
code points (3rd column). 

A new Simplfiied Chinese font on Windows (Microsoft Yahei) does cover non-PUA
code points (3rd column) while it does not cover PUA code points (2nd column). 


[1] At least for U+FE10 .. U+FE19, it's very likely that it's correct. Those
characters were added to Unicode 4.1 in March 2005 (see
http://unicode.org/cldr/utility/list-unicodeset.jsp?a=\p{subhead=Glyphs%20for%20vertical%20variants}
).

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Received on Tuesday, 2 June 2015 22:49:25 UTC