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bug#26396: 25.1; char-displayable-p on a latin1 tty

From: Eli Zaretskii
Subject: bug#26396: 25.1; char-displayable-p on a latin1 tty
Date: Mon, 10 Apr 2017 09:47:47 +0300

> From: Kevin Ryde <address@hidden>
> Date: Sun, 09 Apr 2017 15:16:18 +1000
> > Please step through char-displayable-p, and see what
> > doesn't work there in your case.
> Ah, it gets to (internal-char-font nil #x2022) = 7, which goes to the
> (<= 0 font-glyph) case and is t, not the terminal-coding-system checking
> case.

Then Emacs is doing TRT, AFAICT: it uses the GIO_UNIMAP that's
available on your system to query the kernel about characters
displayable by the console.  Are you saying that as a matter of fact
that character cannot be displayed by the console, i.e. that the code
which uses GIO_UNIMAP somehow misbehaves?

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