Re: ucs-normalize and diacritics

[Robert Pluim <rpluim@gmail.com>]

Cesar Crusius <cesar.crusius@gmail.com> writes:

>> How common is 3-character composition likely to be? (for that matter,
>> how common is 2-character composition?  I explicitly use input methods
>> for this kind of stuff). I can envisage an algorithm that takes a
>> combining character, then scans backwards to see if the font used for
>> it will cover all previous characters, recursively. It does seem like
>> a lot of effort for a small return.
>
> Recalling a recent discussion, they are unavoidable in polytonic
> Greek, because Unicode does not provide the pre-combined
> character. There's no other way to get an "rough breathing long alpha
> with acute accent," ᾱ̔́. (Which by the way Emacs handles nicely with the
> font I use, Iosevka.)

Even that is only a two character composition (unless Iʼve
misunderstood the what-cursor-position output), and itʼs rather
specialized, and you know what youʼre doing :-)

> Granted, not many people will use this, but for those who do, they
> will be all over the place.

I'm not sure I understand the comment. Current behaviour is what it
is, Iʼm not proposing anything that would make it worse.

Robert