Function: mh-ascii-buffer-p
mh-ascii-buffer-p is a byte-compiled function defined in
mh-comp.el.gz.
Signature
(mh-ascii-buffer-p)
Documentation
Check if current buffer is entirely composed of ASCII.
Source Code
;; Defined in /usr/src/emacs/lisp/mh-e/mh-comp.el.gz
(defun mh-ascii-buffer-p ()
"Check if current buffer is entirely composed of ASCII."
(cl-loop for charset in (find-charset-region (point-min) (point-max))
unless (eq charset 'ascii) return nil
finally return t))