Variable: c-mark-wrong-style-of-comment
c-mark-wrong-style-of-comment is a customizable variable defined in
cc-vars.el.gz.
Value
nil
Documentation
Fontify "invalid" comment delims with font-lock-warning-face if non-nil.
"Invalid" means a line comment when the default comment style (set by
c-toggle-comment-style) is block, or a block comment otherwise.
This variable was added, or its default value changed, in Emacs 27.1.
Probably introduced at or before Emacs version 27.1.
Source Code
;; Defined in /usr/src/emacs/lisp/progmodes/cc-vars.el.gz
(defcustom c-mark-wrong-style-of-comment nil
"Fontify \"invalid\" comment delims with `font-lock-warning-face' if non-nil.
\"Invalid\" means a line comment when the default comment style (set by
`c-toggle-comment-style') is block, or a block comment otherwise."
:type 'boolean
:group 'c
:version "27.1")