[r6rs-discuss] [Formal] String positions and string slices

Thomas Lord lord at emf.net
Tue Apr 10 10:25:38 EDT 2007


Chris Hanson wrote:
> I think the best way to retain backward compatibility is to create a new
> text abstraction in parallel with the historical strings.  The
> historical string abstraction should remain vectors of 8-bit (or 7-bit)
> characters with side effects.  The new text abstraction should be based
> on Unicode.  I think trying to bridge the difference between these two
> with a hybrid approach has little to recommend it.
>
>   

What do you mean by "in parallel?"   In particular, do you mean that
the new text type ought to be *required* to be disjoint from the
text type?   Do you mean that the CHAR type should be required
to be a set of 128 or 256 values?

-t




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