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Back to dumb questions.
I assume that it is useful to distinguish the two goals of
extending programming language identifiers
and processing Unicode data.
For identifiers, either we have EQ? preserving literals, or "literalization of
bits" (I.e. string preservation).
So w.r.t. identifiers, why is normalization needed at all? To my mind,
normalization is a library procedure (set of procedures) for dealing with
Defining valid identifier syntax such that case folding of (unnormalized)
identifier literals should be sufficient.
What am I missing?
Another note. Characters are currently dealt with in a fairly abstract
manner. It would seem that in dealing with Unicode data as binary data
(codepoints), R6RS/SRFI/... must define a binary IO API.