From: Hans Aberg (haberg@math.su.se)
Date: Mon Oct 22 2007 - 15:23:54 CDT
On 22 Oct 2007, at 22:16, Philippe Verdy wrote:
> Note that L may contain strings containing strings like a base
> letter followed by a diacritic, which is canonically equivalent to
> its precomposed form. Would only the precomposed form would be
> allowed in [L] ? The definition of "length" is not precise enough.
> Forme the composed nas precomposed letters should behave
> identically, ans so their "length" should be 1 in both case. If so,
> then [L] will contain BOTH the precomposed letter and the sequence
> of a letter and a diacritic.
Read all the stuff. There are different constructions.
The main point is that the operations you seek are restrictions of
the language set operations.
Hans Åberg
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