Draft proposal: Old Polish nasal vowel letter

[Richard Wordingham]

On Sat, 9 Jan 2021 14:14:42 -0800
Asmus Freytag via Unicode <unicode at unicode.org> wrote:

> > Finally, the letter should be encoded as precomposed only, to avoid
> > the issues we've had for other characters where the "nominal"
> > diacritic indicated in the decomposition would force a shape that's
> > not compatible with the range of allographs.
> >  
> PS: some of the allographs for the diacritic strike me as something 
> other than
> an "over-strike". The attached two sections or the partial vertical 
> over-strike
> of the top  of the bowl only would normally not be decomposed,
> because they are more like an "attached" diacritic than an overlay.
> This further argues for not decomposing this character.

This is very like the slash in the dollar sign, which may likewise
be reduced to projections above and below.  I don't think there is any
doubt that this Polish character should be encoded as an indecomposable
character; the question is whether it has already been encoded.

Richard.