bug#29504: 26.0.90; Can't enter Japanes text in a read-only buffer even if inhibit-read-only is t

[Eli Zaretskii]

> Date: Thu, 30 Nov 2017 13:03:30 +0900
> From: Katsumi Yamaoka <yamaoka@jpl.org>
> 
> On Thu, 30 Nov 2017 12:39:28 +0900, Katsumi Yamaoka wrote:
> > Not only Japanese, every input method should work in a read-only
> > buffer (such as that of eww) where the `inhibit-read-only' text
> > or overlay property is set in some areas.
> 
> A patch:
> 
> --- lisp/international/quail.el~      2017-11-26 22:09:06.936385900 +0000
> +++ lisp/international/quail.el       2017-11-30 04:01:39.868772300 +0000
> @@ -1332,3 +1332,5 @@
>  (defun quail-input-method (key)
> -  (if (or buffer-read-only
> +  (if (or (and buffer-read-only
> +            (not (or inhibit-read-only
> +                     (get-char-property (point) 'inhibit-read-only))))
>         (and overriding-terminal-local-map
> 

Looks OK to me.  Please push to the emacs-26 branch, and thanks.