bug#17836: 24.3; `describe-fontset' confused about e.g. ?\C-@

[Lars Ingebrigtsen]

Lars Ingebrigtsen <larsi@gnus.org> writes:

> Anyway, it seems like this bug is still present in Emacs 27, and there's
> possibly a new bug, too, with not displaying the hex values in some
> instances.

No, I think that's apparently OK...

> Eli did pinpoint what the reason for the original bug was, though:
>
>> That's because print-fontset-element does this:
>>
>>   (beginning-of-line)
>>   (let ((from (following-char))
>>
>> IOW, it assumes that there's a single character there, not a
>> human-readable description of a character, such as "C-@".
>>
>> How about submitting a patch that uses 'kbd', say?
>
> I'll take a whack at implementing that.

Now pushed to Emacs 28.

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