Re: Proposal - Support for National Characters functionality

> On Mon, Jul 15, 2013 at 4:37 AM, Robert Haas <robertmhaas@gmail.com> wrote:
>> On Fri, Jul 5, 2013 at 2:35 PM, Pavel Stehule <pavel.stehule@gmail.com> wrote:
>>> Yes, what I know almost all use utf8 without problems. Long time I didn't
>>> see any request for multi encoding support.
>>
>> Well, not *everything* can be represented as UTF-8; I think this is
>> particularly an issue with Asian languages.
> 
> What cannot be represented as UTF-8? UTF-8 can represent every
> character in the Unicode character set, whereas UTF-16 can encode
> characters 0 to 0x10FFFF.
> 
> Does support for alternative multi-byte encodings have something to do
> with the Han unification controversy? I don't know terribly much about
> this, so apologies if that's just wrong.

There's a famous problem regarding conversion between Unicode and other
encodings, such as Shift Jis.

There are lots of discussion on this. Here is the one from Microsoft:

http://support.microsoft.com/kb/170559/EN-US
--
Tatsuo Ishii
SRA OSS, Inc. Japan
English: http://www.sraoss.co.jp/index_en.php
Japanese: http://www.sraoss.co.jp