Variable: meta-left-comment-regexp
meta-left-comment-regexp is a customizable variable defined in
meta-mode.el.gz.
Value
"%%+"
Documentation
Regexp matching comments that should be placed on the left margin.
Source Code
;; Defined in /usr/src/emacs/lisp/progmodes/meta-mode.el.gz
(defcustom meta-left-comment-regexp "%%+"
"Regexp matching comments that should be placed on the left margin."
:type 'regexp)