Re: Rmail and the raw-text coding system

[Stefan Monnier <monnier@iro.umontreal.ca>]

>     It then decodes the BABYL message part:

>     (unless (and coding-system
> 		 (coding-system-p coding-system))
>       (setq coding-system
> 	    ;; Emacs 21.1 and later writes RMAIL files in emacs-mule, but
> 	    ;; earlier versions did that with the current buffer's encoding.
> 	    ;; So we want to favor detection of emacs-mule (whose normal
> 	    ;; priority is quite low), but still allow detection of other
> 	    ;; encodings if emacs-mule won't fit.  The call to
> 	    ;; detect-coding-with-priority below achieves that.
> 	    (car (detect-coding-with-priority
> 		  from to
> 		  '((coding-category-emacs-mule . emacs-mule))))))
>     (unless (memq coding-system
> 		  '(undecided undecided-unix))
>       (set-buffer-modified-p t)		; avoid locking when decoding
>       (let ((buffer-undo-list t))
> 	(decode-coding-region from to coding-system))
>       (setq coding-system last-coding-system-used))
>     (set-buffer-modified-p modifiedp)
>     (setq buffer-file-coding-system nil)
>     (setq save-buffer-coding-system
> 	  (or coding-system 'undecided))))

> This process leaves the buffer as a unibyte buffer.  

The question for me is why did it choose raw-text here (which results
indeed in a unibyte buffer)?  It should have been emacs-mule.


        Stefan