Re: [Emacs-diffs] emacs-26 aca5f00: Avoid encoding errors in message.el

[Stefan Monnier]

> -        (set (make-local-variable (car local))
> -             (cdr local)))))
> +        ;; Cloning message-default-charset could cause an already
> +        ;; encoded text to be encoded again, yielding raw bytes
> +        ;; instead of characters in the message.
> +        (unless (string-match "message-default-charset"
> +                              (symbol-name (car local)))
> +          (set (make-local-variable (car local))
> +               (cdr local))))))

Could you add a comment explaining why we do

    (string-match "message-default-charset" (symbol-name (car local))

rather than

    (eq 'message-default-charset (car local))


-- Stefan "puzzled"