bug#44664: 28.0.50; troubles with some chars in term

[Lars Ingebrigtsen <larsi@gnus.org>]

Eli Zaretskii <eliz@gnu.org> writes:

> Maybe.  We can do that as well, btw.  We already do something like
> that with fonts that declare too large height for its character
> glyphs: we override that with a reasonable value.  We could do
> something similar for the width, conditioned on some buffer-local
> variable.  The relative complexity of this wrt what terminal emulators
> do is that terminal emulators can do that always, whereas Emacs cannot
> do that by default, it must be an opt-in feature requested by the
> likes of term.el.

Yes.

Hm...  actually, that sounds like a pretty good feature in general for
all modes that expect columnar output, doesn't it?  That is, being able
to snap all glyphs to an integer multiple of the standard character
width?  That is, add padding if the width is more than 0.5 wider than
the standard width and narrow the glyph if it's less?  (Whether to only
narrow could also be an option.)

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