master 0a74243 3/4: Update to CSS Containment Module Level 2

[Lars Ingebrigtsen]

branch: master
commit 0a7424360ceb939364efe41c4d46869ed9793bed
Author: Theodor Thornhill <theo@thornhill.no>
Commit: Lars Ingebrigtsen <larsi@gnus.org>

    Update to CSS Containment Module Level 2
    
    * css-mode.el (css-property-alist): Update contain, and add
    content-visibility.
---
 lisp/textmodes/css-mode.el | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/lisp/textmodes/css-mode.el b/lisp/textmodes/css-mode.el
index 8689c94..a39a62a 100644
--- a/lisp/textmodes/css-mode.el
+++ b/lisp/textmodes/css-mode.el
@@ -274,9 +274,10 @@
     ("color" color)
     ("opacity" alphavalue)
 
-    ;; CSS Containment Module Level 1
-    ;; (https://www.w3.org/TR/css-contain-1/#property-index)
-    ("contain" "none" "strict" "content" "size" "layout" "paint")
+    ;; CSS Containment Module Level 2
+    ;; (https://www.w3.org/TR/css-contain-2/#property-index)
+    ("contain" "none" "strict" "content" "size" "layout" "style" "paint")
+    ("content-visibility" "visible" "auto" "hidden")
 
     ;; CSS Grid Layout Module Level 2
     ;; (https://www.w3.org/TR/css-grid-2/#property-index)