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Subject: [SG16-Unicode] Fwd: Re: Shift-JIS NEC/IBM discussion
From: Tom Honermann (tom_at_[hidden])
Date: 2018-04-15 09:08:30


Preserving from the old std-text-wg_at_[hidden] mailing list.

-------- Forwarded Message --------
Subject: Re: Shift-JIS NEC/IBM discussion
Date: Tue, 27 Feb 2018 21:56:33 +0000
From: Mark Zeren <mzeren_at_[hidden]>
To: std-text-wg <std-text-wg_at_[hidden]>

rmf [1 day ago]

AFAIK there isn't a standard way to roundtrip this, not even a de facto one.

rmf [1 day ago]

Picking one way to do so seems overreaching as the user may have
additional constraints we aren't aware of.

rmf [1 day ago]

The building blocks could be providing NEC-only and IBM-only variants as
encoding forms, or providing a way to customize code mappings. (edited)

rmf [1 day ago]

Or both.

rmf [1 day ago]

True roundtripping here also seems to be of limited use, because you're
unlikely to have mixed IBM and NEC characters. I think most of the time
what you want is the ability to pick which of those two will
Unicode->SJIS produce (edited)

rmf [1 day ago]

So you would do e.g. cp932 -> Unicode -> jisIBM or whatever that's called.

sdowney [22 hours ago]

Thanks for clarifying this! I hate when I know something that isn't true.

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