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Re: BUG #4714: Unicode Big5 Conversion

From: Heikki Linnakangas <heikki(dot)linnakangas(at)enterprisedb(dot)com>
To: Tatsuo Ishii <ishii(at)postgresql(dot)org>
Cc: rchang111(at)gmail(dot)com, pgsql-bugs(at)postgresql(dot)org
Subject: Re: BUG #4714: Unicode Big5 Conversion
Date: 2009-03-18 16:27:38
Message-ID: 49C120FA.8010905@enterprisedb.com (view raw or flat)
Thread:
Lists: pgsql-bugs
Tatsuo Ishii wrote:
> Be very careful not to break the standard defined by Unicode.
> For example the glyph for 0xe7a281 == U+7881 is defined in page 43 of
> http://unicode.org/charts/PDF/U4E00.pdf. So we need to make sure that the
> particular kanji character defined in Big5 0xf9d6 has the same glyph
> as the one defined in Unicode(U+7881). Same thing can be said to rest
> of the proposed mapping.

The mappings look correct to me; it's the same mappings as defined in 
the CP950.TXT file from unicode.org.

I've added a perl script UCS_to_BIG5.pl to generate the mapping tables 
from BIG5.TXT as before, with the addition of those seven extra 
characters from CP950.TXT.

-- 
   Heikki Linnakangas
   EnterpriseDB   http://www.enterprisedb.com

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