[Haskell-cafe] Grapheme length?

[Viktor Dukhovni]

> On Feb 20, 2021, at 5:56 AM, Viktor Dukhovni <ietf-dane at dukhovni.org> wrote:
> 
> But in fact, exactly some of the new code points are relevant for detection
> of grapheme cluster boundaries (your algorithm looks too naïve) see:

More importantly, the ICU documentation does not recommend working with the
underlying low-level properties and rules.  Rather the suggested way to
traverse a string one grapheme at a time is to use a BreakIterator:

  https://unicode-org.github.io/icu/userguide/boundaryanalysis/#character-boundary

Fortunately, these are also supported:

  https://hackage.haskell.org/package/text-icu-0.7.0.1/docs/Data-Text-ICU-Break.html#g:2

So my referral to the "Char" module probably led you astray.  Sorry about that...

-- 
	Viktor.