On Tue, 30 Jul 2013 22:02:10 -0700
Stephan Stiller <[email protected]> wrote:

> On 7/30/2013 3:27 PM, Asmus Freytag wrote:
> > architectures that depended on swapping character sets  (code
> > pages) in mid stream
> 
> I thought systems were usually married to a particular code page. I'm 
> wondering where (historically) you'd actually change to a different
> code page mid-stream.

ISO 2022 allows it.  For historical reasons, the emacs input method
definitions are full of such code switches.  If you don't count such
swiches as code page switches, then with a metaphorical meaning,
browsers, e-mail clients and many editors can simultaneously handle
files in different encodings. For example, emacs can simultaneously hold
different files in 8-bit encodings without converting to a common
coding.

As a final example, the Windows command console can switch code page
dynamically.

Richard.

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