bug#35230: char-displayable-p return code is conflictingly documented

[Lars Ingebrigtsen]

Eli Zaretskii <eliz@gnu.org> writes:

>> +This function may return non-@code{nil} even when there is no font
>> +available, since it also checks if the coding system for the text
>> +terminal can encode the character.
>>  @end defun
>
> Thanks.  I think we should tell more about the testing of text
> terminal capabilities, because otherwise the reference to terminal
> encoding comes out of the blue without being mentioned anywhere else,
> since the preceding text talks only about fonts and fontsets,
> i.e. only about GUI frames.

Robert, this was over a year ago -- the documentation fix is an
improvement, but did you look into also saying some words about text
terminal capabilities?

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