Re: string-to-unibyte in image-jpeg-p

[Eli Zaretskii]

> From: Robert Pluim <address@hidden>
> Cc: address@hidden
> Date: Thu, 24 May 2018 17:31:40 +0200
> 
> * lisp/image.el (image-jpeg-p): Declare obsolete.
> ---
>  lisp/image.el | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/lisp/image.el b/lisp/image.el
> index e084fe329a..95acda0b07 100644
> --- a/lisp/image.el
> +++ b/lisp/image.el
> @@ -270,6 +270,8 @@ image-jpeg-p
>                                    (substring data i (min (+ i nbytes) 
> len)))))
>           (setq i (+ i 1 nbytes))))))))
>  
> +(make-obsolete 'image-jpeg-p nil "27.1")

I'd prefer an explicit text as the 2nd arg, something that will warn
about impending removal of the function.

Thanks.