bug#57250: emacs-lisp-mode not highlighting single characters `k' in comments

[Lars Ingebrigtsen]

uzibalqa <uzibalqa@proton.me> writes:

> But if the character sequence within tick  `  and a single quote  '  is a 
> single
> character,  the character does not get highlighted.
>
> Example:
>
> ;; Insert `k' for words with initial values.

This is the case in Emacs 27.1, but not in later versions of Emacs.

Closing.