🚀 go-pugleaf

I have sometimes found it convenient to get a count of the number of
characters in the region.  It seems to me that  ESC =  is a logical
place to add this functionality.  Here are diffs from Emacs 18.57:

*** /usr/local/emacs/lisp/simple.el	Wed Jan  9 17:04:21 1991
--- simple.el	Tue Apr 16 17:05:17 1991
***************
*** 230,238 ****
    (goto-char (point-min)))
  
  (defun count-lines-region (start end)
!   "Print number of lines in the region."
    (interactive "r")
!   (message "Region has %d lines" (count-lines start end)))
  
  (defun what-line ()
    "Print the current line number (in the buffer) of point."
--- 230,239 ----
    (goto-char (point-min)))
  
  (defun count-lines-region (start end)
!   "Print number of lines and charcters in the region."
    (interactive "r")
!   (message "Region has %d lines, %d characters"
! 	   (count-lines start end) (- end start)))
  
  (defun what-line ()
    "Print the current line number (in the buffer) of point."