Variable: check-declare-ext-errors
check-declare-ext-errors is a customizable variable defined in
check-declare.el.gz.
Value
nil
Documentation
When non-nil, warn about functions not found in :ext.
This variable was added, or its default value changed, in Emacs 25.1.
Source Code
;; Defined in /usr/src/emacs/lisp/emacs-lisp/check-declare.el.gz
(defcustom check-declare-ext-errors nil
"When non-nil, warn about functions not found in :ext."
:version "25.1"
:type 'boolean)