Variable: column-number-mode
column-number-mode is a customizable variable defined in simple.el.gz.
Value
nil
Documentation
Non-nil if Column-Number mode is enabled.
See the column-number-mode(var)/column-number-mode(fun) command
for a description of this minor mode.
Probably introduced at or before Emacs version 19.30.
Key Bindings
Source Code
;; Defined in /usr/src/emacs/lisp/simple.el.gz
(define-minor-mode column-number-mode
"Toggle column number display in the mode line (Column Number mode).
See `mode-line-position-column-format' for how this number is
presented."
:global t :group 'mode-line)