Function: reftex-verified-face
reftex-verified-face is a byte-compiled function defined in
reftex.el.gz.
Signature
(reftex-verified-face &rest FACES)
Documentation
Return the first valid face in FACES, or nil if none is valid.
Also, when finding a nil element in FACES, return nil. This function is just a safety net to catch name changes of builtin fonts. Currently it is only used for reftex-label-face.
Source Code
;; Defined in /usr/src/emacs/lisp/textmodes/reftex.el.gz
(defun reftex-verified-face (&rest faces)
"Return the first valid face in FACES, or nil if none is valid.
Also, when finding a nil element in FACES, return nil. This
function is just a safety net to catch name changes of builtin
fonts. Currently it is only used for reftex-label-face."
(let (face)
(catch 'exit
(while (setq face (pop faces))
(if (facep face) (throw 'exit face))))))