Variable: mode-line-modified
mode-line-modified is a buffer-local variable defined in
bindings.el.gz.
Documentation
Mode line construct for displaying whether current buffer is modified.
Probably introduced at or before Emacs version 18.
Source Code
;; Defined in /usr/src/emacs/lisp/bindings.el.gz
(defvar-local mode-line-modified
(list (propertize
"%1*"
'help-echo 'mode-line-read-only-help-echo
'local-map (make-mode-line-mouse-map
'mouse-1
#'mode-line-toggle-read-only)
'mouse-face 'mode-line-highlight)
(propertize
"%1+"
'help-echo 'mode-line-modified-help-echo
'local-map (make-mode-line-mouse-map
'mouse-1 #'mode-line-toggle-modified)
'mouse-face 'mode-line-highlight))
"Mode line construct for displaying whether current buffer is modified.")