Re: Round trip mapping - SJI S to Unicode

From: Smita Desai [InConcert Software Engineer] (sdesai@inconcert.com)
Date: Mon Aug 24 1998 - 00:29:26 EDT


Thanks Abishek, that's what I thought it was, but the Japanese may not like it.

Smita

Smita Desai
Software Engineer, Internationalization

InConcert, Inc.
Four Cambridge Center
Cambridge, MA 02142
sdesai@inconcert.com
Tel - 617.499.4427

->From amishra@adobe.com Mon Aug 24 07:05:14 1998
->Errors-To: uni-bounce@unicode.org
->Mime-Version: 1.0
->Content-Type: text/plain; charset="us-ascii"
->X-Uml-Sequence: 5796 (1998-08-24 08:30:10 GMT)
->From: Abhishek Kumar Mishra <amishra@adobe.com>
->Reply-To: unicode@unicode.org
->To: Unicode List <unicode@unicode.org>
->Cc: sdesai@inconcert.com
->Subject: Re: Round trip mapping - SJI S to Unicode
->Content-Length: 1562
->X-Lines: 54
->
->At 04:35 AM 8/21/98 -0700, Smita Desai [InConcert Software Engineer] wrote:
->
->It does not matter because the characters are just duplicates.
->For e.g. in the case of 0x879c --> Ux222a --> 0x81be, 0x879c, Ux222a and
->0x879c represent the same character. 0x879c and 0x81be are just duplicates.
->
->Hope that helps.
->Regards,
->Abhishek
->
->
->>Hello,
->>
->>I would appreciate if someone could if possible, offer any background
->information or workarounds to the following.
->>
->>According to Microsoft KnowledgeBase article Q170559, there are 398
->characters that do inaccurate round trip mapping, between SJIS and Unicode.
->Some of the examples are as follows:
->>Code page 932
->>
->>0x879c --> Ux222a --> 0x81be
->>0xed40 --> Ux7e8a --> 0xfa5c
->>0xed41 --> Ux819c --> 0xfa5d
->>
->>According to that article, these are duplicates that do not round trip map
->and were added for NEC needs.
->>
->>Does anyone have any background info? Is the only solution to create a
->table in the code, which would have a bad performance hit? If these are
->duplicates, then does it matter that they do not round trip map?
->>
->>Any help would be greatly appreciated.
->>
->>Thanks,
->>Smita Desai
->>
->>
->>Smita Desai
->>Software Engineer, Internationalization
->>InConcert, Inc.
->>Four Cambridge Center,
->>Cambridge, MA 02142
->>Tel - 617.499.4427
->>email - sdesai@inconcert.com
->>
->>
-> -------------------------------
-> |Abhishek Kumar Mishra |
-> |Member Technical Staff |
-> |Adobe .
-> |email: amishra@adobe.com |
-> --------------------------------
-> visit ADOBE at http://www.adobe.com



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