(cperl-invalid-face): Fix custom type.

diff --git a/lisp/progmodes/cperl-mode.el b/lisp/progmodes/cperl-mode.el
index bd57c1902917aaaaf3af987fa3b59b47033cae99..2fce1e35576debc9d84f2027bc90ab88800a8912 100644 (file)
--- a/lisp/progmodes/cperl-mode.el
+++ b/lisp/progmodes/cperl-mode.el
@@ -360,7 +360,7 @@ Font for POD headers."
 
 (defcustom cperl-invalid-face ''underline ; later evaluated by `font-lock'
   "*The result of evaluation of this expression highlights trailing whitespace."
-  :type 'face
+  :type 'sexp
   :group 'cperl-faces)
 
 (defcustom cperl-pod-here-fontify '(featurep 'font-lock)