+ (1 (if (match-end 2) 'css-proprietary-property 'css-property)))
+ ;; Make sure the parens in a url(...) expression receive the
+ ;; default face. This is done because the parens may sometimes
+ ;; receive generic string delimiter syntax (see
+ ;; `css-syntax-propertize-function').
+ (,css--uri-re
+ (1 'default t) (2 'default t))))