Add `all` to CSS property list

* lisp/textmodes/css-mode.el (css-property-alist): Add new property
`all` from the CSS Cascading and Inheritance Level 3 module.

diff --git a/lisp/textmodes/css-mode.el b/lisp/textmodes/css-mode.el
index 1139fd1976e7a804d84fb231adaf71962382408b..959df5cfe6514d29be7e024b81dd56b2c0dcd219 100644 (file)
--- a/lisp/textmodes/css-mode.el
+++ b/lisp/textmodes/css-mode.el
@@ -269,6 +269,10 @@
     ("resize" "none" "both" "horizontal" "vertical")
     ("text-overflow" "clip" "ellipsis" string)
 
+    ;; CSS Cascading and Inheritance Level 3
+    ;; (https://www.w3.org/TR/css-cascade-3/#property-index)
+    ("all")
+
     ;; CSS Color Module Level 3
     ;; (https://www.w3.org/TR/css3-color/#property)
     ("color" color)