From 3f6c85637c26c35f7a2ea64c61df13834a9f26a6 Mon Sep 17 00:00:00 2001
From: tophf <tophf@gmx.com>
Date: Fri, 25 Sep 2020 13:51:03 +0300
Subject: [PATCH] Containment Module L2 (WD, 2020-06-03)

---
 edit/codemirror-default.js             | 1 +
 vendor-overwrites/csslint/parserlib.js | 1 +
 2 files changed, 2 insertions(+)

diff --git a/edit/codemirror-default.js b/edit/codemirror-default.js
index 94b156e7..e83deeca 100644
--- a/edit/codemirror-default.js
+++ b/edit/codemirror-default.js
@@ -105,6 +105,7 @@
   }
 
   Object.assign(CodeMirror.mimeModes['text/css'].propertyKeywords, {
+    'content-visibility': true,
     'overflow-anchor': true,
     'overscroll-behavior': true,
   });
diff --git a/vendor-overwrites/csslint/parserlib.js b/vendor-overwrites/csslint/parserlib.js
index 263fb54d..41f831da 100644
--- a/vendor-overwrites/csslint/parserlib.js
+++ b/vendor-overwrites/csslint/parserlib.js
@@ -286,6 +286,7 @@ self.parserlib = (() => {
     'columns':           1,
     'contain':           'none | strict | content | [ size || layout || style || paint ]',
     'content':           'normal | none | <content-list> [ / <string> ]?',
+    'content-visibility': 'visible | auto | hidden',
     'counter-increment': 1,
     'counter-reset':     1,
     'crop':              'rect() | inset-rect() | auto',