Unicode characters unification

[Richard Wordingham via Unicode]

On Mon, 28 May 2018 21:14:58 +0200
Hans Åberg via Unicode <unicode at unicode.org> wrote:

> > On 28 May 2018, at 21:01, Richard Wordingham via Unicode
> > <unicode at unicode.org> wrote:
> > 
> > On Mon, 28 May 2018 20:19:09 +0200
> > Hans Åberg via Unicode <unicode at unicode.org> wrote:
> >   
> >> Indistinguishable math styles Latin and Greek uppercase letters
> >> have been added, even though that was not so in for example TeX,
> >> and thus no encoding legacy to consider.  
> > 
> > They sort differently - one can have vaguely alphabetical indexes of
> > mathematical symbols.  They also have quite different compatibility
> > decompositions.
> > 
> > Does sorting offer an argument for encoding these symbols
> > differently. I'm not sure it's a strong arguments - how likely is
> > one to have a list where the difference matters?  
> 
> The main point is that they are not likely to be distinguishable when
> used side-by-side in the same formula. They could be of significance
> if using Greek names instead of letters, of length greater than one,
> then. But it is not wrong to add them, because it is easier than
> having to think through potential uses.

By these symbols, I meant the quarter-tone symbols.  Capital em and
capital mu, as symbols, need to be encoded separately for proper
sorting.

Richard.