Re: ucs-normalize and diacritics

[Eli Zaretskii]

> From: Robert Pluim <address@hidden>
> Cc: address@hidden
> Date: Tue, 24 Jul 2018 22:54:46 +0200
> 
> > It does display as â, but only if you use a font that supports both
> > 'a' and '̂'.  Emacs can only compose characters that are displayed by
> > the same font.
> 
> That works fine for me if I set the font used for ̂ as my default
> font. Would it be worth allowing emacs to change the font of the
> preceding character to match the diacritic and (re-)attempt
> composition?

Theoretically, yes.  But it could mean a serious surgery in how
character composition is integrated into the display engine, and there
are also usability and UI aspects that need to be considered, because
the user might have good reasons to use the font she uses for the base
character.