Variable: line-number-mode
line-number-mode is a customizable variable defined in simple.el.gz.
Value
t
Documentation
Non-nil if Line-Number mode is enabled.
See the line-number-mode(var)/line-number-mode(fun) command
for a description of this minor mode.
Probably introduced at or before Emacs version 19.1.
Key Bindings
Source Code
;; Defined in /usr/src/emacs/lisp/simple.el.gz
(define-minor-mode line-number-mode
"Toggle line number display in the mode line (Line Number mode).
Line numbers do not appear for very large buffers and buffers
with very long lines; see variables `line-number-display-limit'
and `line-number-display-limit-width'.
See `mode-line-position-line-format' for how this number is
presented."
:init-value t :global t :group 'mode-line)