ISO 2022 (was: Re: Synthetic scripts (was: wandering off topic) )

From: Kenneth Whistler (kenw@sybase.com)
Date: Mon Mar 18 2002 - 14:00:29 EST


Jim Agenbroad asked:

> Monday, March 18, 2002
> Is ISO 2022 a character set (characters with their codes) or a complex
> (painful?) means to announce and negotiate among various sets? I thought
> it was the latter; am I missing something?

ISO 2022 is a framework for character encodings -- it defines all the
C0/C1 G0/G1 portions of bytes for character encodings, and how combinations
of them are defined, and how escape sequences are used to switch between
character encodings. But yes, it does not define any particular character
encoding per se.

In a Japanese context, however, the terminology is often blurred, since
2022-JP is widely used in Japanese email, and constitutes a particular
configuration of character encodings making use of the 2022 escapes for
switching.

--Ken
  



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