Variable: checkdoc-allow-quoting-nil-and-t
checkdoc-allow-quoting-nil-and-t is a customizable variable defined in
checkdoc.el.gz.
Value
nil
Documentation
If non-nil, don't warn when the symbols nil and t are quoted.
In other words, it allows writing them like this: `nil', `t'.
This variable was added, or its default value changed, in Emacs 31.1.
Probably introduced at or before Emacs version 31.1.
Source Code
;; Defined in /usr/src/emacs/lisp/emacs-lisp/checkdoc.el.gz
(defcustom checkdoc-allow-quoting-nil-and-t nil
"If non-nil, don't warn when the symbols nil and t are quoted.
In other words, it allows writing them like this: \\=`nil\\=', \\=`t\\='."
:type 'boolean
:version "31.1")