bug#57693: 29.0.50; Is there a more reliable version of `char-displayable-p'?

[Ihor Radchenko]

Eli Zaretskii <eliz@gnu.org> writes:

> The problem which AFAIU Ihor raised was that char-displayable-p
> returns non-nil, when the character actually cannot be displayed.
> This is what I'm asking: how come char-displayable-p thought it could
> find a font for the character, when Emacs failed to find the font when
> it was time to actually display that character?
>
> Ihor says that the reason could be some buffer-specific settings that
> char-displayable-p didn't take into consideration.  If that's the
> reason, could someone tell what those settings were in this case?

The author of the linked bug report solved the problem by installing
some extra font. So, it was likely not a question of buffer-specific
settings in that particular case.

-- 
Ihor Radchenko,
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