Variable: font-lock-negation-char-face
font-lock-negation-char-face is a variable defined in font-lock.el.gz.
Value
font-lock-negation-char-face
Documentation
Face name to use for easy to overlook negation.
This can be an "!" or the "n" in "ifndef".
Probably introduced at or before Emacs version 22.1.
Source Code
;; Defined in /usr/src/emacs/lisp/font-lock.el.gz
(defvar font-lock-negation-char-face 'font-lock-negation-char-face
"Face name to use for easy to overlook negation.
This can be an \"!\" or the \"n\" in \"ifndef\".")