Variable: prolog-indent-width
prolog-indent-width is a customizable variable defined in
prolog.el.gz.
Value
4
Documentation
The indentation width used by the editing buffer.
Source Code
;; Defined in /usr/src/emacs/lisp/progmodes/prolog.el.gz
;; Indentation
(defcustom prolog-indent-width 4
"The indentation width used by the editing buffer."
:group 'prolog-indentation
:type 'integer
:safe 'integerp)