Variable: ps-line-number
ps-line-number is a customizable variable defined in ps-print.el.gz.
Value
nil
Documentation
Non-nil means print line number.
This variable was added, or its default value changed, in Emacs 20.
Source Code
;; Defined in /usr/src/emacs/lisp/ps-print.el.gz
(defcustom ps-line-number nil
"Non-nil means print line number."
:type 'boolean
:version "20"
:group 'ps-print-miscellany)