Update selectors-4.vim

https://www.w3.org/TR/2022/WD-selectors-4-20220507/

Author: hail2u

after/syntax/css/selectors-4.vim

@@ -1,10 +1,12 @@
 syn match cssSelectorOp "[|]"
-syn keyword cssPseudoClassId contained scope current past future default valid required optional blank playing paused
+syn keyword cssPseudoClassId contained scope current past future default valid required optional blank playing paused defined modal fullscreen seeking buffering stalled muted autofill
 syn match cssPseudoClassId contained "\<\(any\|local\)-link\>"
 syn match cssPseudoClassId contained "\<read-\(only\|write\)\>"
 syn match cssPseudoClassId contained "\<placeholder-shown\>"
 syn match cssPseudoClassId contained "\<\(in\|out-of\)-range\>"
-syn match cssPseudoClassId contained "\<user-invalid\>"
+syn match cssPseudoClassId contained "\<user-\(invalid\|valid\)\>"
 syn match cssPseudoClassId contained "\<target-within\>"
 syn match cssPseudoClassId contained "\<focus-\(within\|visible\)\>"
+syn match cssPseudoClassId contained "\<picture-in-picture\>"
+syn match cssPseudoClassId contained "\<volume-locked\>"
 syn region cssPseudoClassLang matchgroup=cssPseudoClassId start=":\(is\|dir\|local-link\|current\|nth\(-last\)\=-col\|has\|where\)(" end=")" oneline

test/test.css

@@ -869,7 +869,18 @@ mask {
 .selectors-4:playing,
 .selectors-4:paused,
 .selectors-4:has(> img),
-.selectors-4:where(:not(:hover)) {
+.selectors-4:where(:not(:hover)),
+.selectors-4:defined,
+.selectors-4:modal,
+.selectors-4:fullscreen,
+.selectors-4:picture-in-picture,
+.selectors-4:seeking,
+.selectors-4:buffering,
+.selectors-4:stalled,
+.selectors-4:muted,
+.selectors-4:volume-locked,
+.selectors-4:autofill,
+.selectors-4:user-valid {
 	display: auto;
 }