Function: check-face

check-face is a byte-compiled function defined in faces.el.gz.

Signature

(check-face FACE)

Documentation

Signal an error if FACE doesn't name a face.

Value is FACE.

Probably introduced at or before Emacs version 24.1.

Source Code

;; Defined in /usr/src/emacs/lisp/faces.el.gz
(defun check-face (face)
  "Signal an error if FACE doesn't name a face.
Value is FACE."
  (unless (facep face)
    (error "Not a face: %s" face))
  face)