Variable: todo-mode-line-function
todo-mode-line-function is a customizable variable defined in
todo-mode.el.gz.
Value
todo-mode-line-control
Documentation
Function that returns a mode line control for Todo mode buffers.
The function expects one argument holding the name of the current
todo category. The resulting control becomes the local value of
mode-line-buffer-identification in each Todo mode buffer.
Source Code
;; Defined in /usr/src/emacs/lisp/calendar/todo-mode.el.gz
(defcustom todo-mode-line-function #'todo-mode-line-control
"Function that returns a mode line control for Todo mode buffers.
The function expects one argument holding the name of the current
todo category. The resulting control becomes the local value of
`mode-line-buffer-identification' in each Todo mode buffer."
:type 'function
:group 'todo-display)