LibWeb: Don't mark mask-type as list-valued

This is distinct from the other `mask-*` properties and is not a longhand of `mask`, and is thus not a coordinating value list longhand
Author: https://github.com/Calme1709 Commit: 758432c1cd Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/6996 Reviewed-by: https://github.com/AtkinsSJ ✅
2025-12-07 21:59:54 +00:00 · 2025-12-02 23:56:17 +13:00 · 2025-12-02 23:56:17 +13:00 · 758432c1cd · 2025-12-02 12:15:41 +00:00
commit 758432c1cd
parent 4034ce995a
3 changed files with 15 additions and 1 deletions
--- a/Libraries/LibWeb/CSS/Properties.json
+++ b/Libraries/LibWeb/CSS/Properties.json
@ -2799,7 +2799,7 @@
    "animation-type": "discrete",
    "inherited": false,
    "affects-layout": false,
-    "multiplicity": "coordinating-list",
+    "multiplicity": "single",
    "valid-types": [
      "mask-type"
    ],