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Re: the discussion so far

This page is part of the web mail archives of SRFI 75 from before July 7th, 2015. The new archives for SRFI 75 contain all messages, not just those from before July 7th, 2015.

"John.Cowan" <jcowan@xxxxxxxxxxxxxxxxx> writes:

>> Luckily, case folding is specified in such a way that a normalized
>> sequence of code points remains normalized if case-folded.
> This is exactly backwards.  Case folding does *not* preserve normalization,
> but *does* work correctly even on unnormalized input.  For example, 
> the sequence <0130> is in normalization form C, but folds to
> <0069,0307>, which is not.

Thanks for the correction. I completely misremembered the relevant
part of the standard. (I guess I'm guilty of Wishful Thinking :-))

For those interested, the relevant part is 5.18 "Case Mappings",
section "Caseless Matching" and "Normalization", in

> I do agree that normalization functions are a Good Thing, though
> not necessarily for the Scheme core.

How would you implement and use STRING=? ?

        -- Jorgen

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