Variable: next-line-add-newlines
next-line-add-newlines is a customizable variable defined in
simple.el.gz.
Value
nil
Documentation
If non-nil, next-line inserts newline to avoid end of buffer error.
This variable was added, or its default value changed, in Emacs 21.1.
Probably introduced at or before Emacs version 19.20.
Source Code
;; Defined in /usr/src/emacs/lisp/simple.el.gz
(defcustom next-line-add-newlines nil
"If non-nil, `next-line' inserts newline to avoid `end of buffer' error."
:type 'boolean
:version "21.1"
:group 'editing-basics)