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

[Paul Eggert]

Eli Zaretskii wrote:
> I think the code in
> char-displayable-p which looks at the result of internal-char-font
> should only accept a non-negative value if the terminal-coding-system
> supports the character.  IOW, the Linux console should not be
> considered as being able to display a character unless the terminal
> encoding can safely encode it.

Wouldn't it be better if Emacs ignored terminal-coding-system when the output 
device is a Linux console and Emacs therefore knows exactly which characters the 
console can display? Instead, Emacs could simply display those characters as-is. 
This would result in a better user experience, surely.