Variable: prefix-command-echo-keystrokes-functions
prefix-command-echo-keystrokes-functions is a variable defined in
simple.el.gz.
Value
(universal-argument--description)
Documentation
Abnormal hook that constructs the description of the current prefix state.
Each function is called with no argument, should return a string or nil.
Probably introduced at or before Emacs version 25.1.
Source Code
;; Defined in /usr/src/emacs/lisp/simple.el.gz
(defvar prefix-command-echo-keystrokes-functions nil
"Abnormal hook that constructs the description of the current prefix state.
Each function is called with no argument, should return a string or nil.")