1.2.0

See also: https://www.w3.org/TR/2018/WD-selectors-4-20181121/

after/syntax/css/break-3.vim

@@ -0,0 +1 @@
+syn keyword cssFontAttr contained recto verso

after/syntax/css/page-3.vim

@@ -1 +1 @@
-syn keyword cssFontAttr contained recto verso
+syn keyword cssFontProp contained marks bleed

after/syntax/css/selectors-4.vim

@@ -7,4 +7,4 @@ syn match cssPseudoClassId contained "\<\(in\|out-of\)-range\>"
 syn match cssPseudoClassId contained "\<user-invalid\>"
 syn match cssPseudoClassId contained "\<target-within\>"
 syn match cssPseudoClassId contained "\<focus-\(within\|visible\)\>"
-syn region cssPseudoClassLang matchgroup=cssPseudoClassId start=":\(matches\|dir\|local-link\|current\|nth\(-last\)\=-col\|has\|drop\)(" end=")" oneline
+syn region cssPseudoClassLang matchgroup=cssPseudoClassId start=":\(is\|dir\|local-link\|current\|nth\(-last\)\=-col\|has\|where\)(" end=")" oneline

after/syntax/css/shadow-parts-1.vim

@@ -0,0 +1 @@
+syn region cssPseudoClassLang matchgroup=cssPseudoClassId start=":part(" end=")" oneline

test/test.css

@@ -59,7 +59,8 @@
 }
 
 .break-3 {
-  display: auto;
+  display: recto;
+  display: verso;
 }
 
 .cascade-3 {
@@ -228,6 +229,10 @@
   display: ruby-text-group;
 }
 
+.easing-1 {
+  display: auto;
+}
+
 .exclusions-3 {
   wrap-flow: auto;
   wrap-through: auto;
@@ -586,8 +591,8 @@ mask {
 }
 
 .page-3 {
-  display: recto;
+  marks: auto;
-  display: verso;
+  bleed: auto;
 }
 
 .page-floats-3 {
@@ -753,7 +758,7 @@ mask {
 .selectors-4:in-range,
 .selectors-4:out-of-range,
 .selectors-4:user-invalid,
-.selectors-4:matches(:hover, :focus),
+.selectors-4:is(:hover, :focus),
 .selectors-4:dir(ltr),
 .selectors-4:local-link(0),
 .selectors-4:current(p, li, dt, dd),
@@ -765,7 +770,7 @@ mask {
 .selectors-4:playing,
 .selectors-4:paused,
 .selectors-4:has(> img),
-.selectors-4:drop(active) {
+.selectors-4:where(:not(:hover)) {
   display: auto;
 }
 
@@ -773,6 +778,10 @@ mask {
   display: auto;
 }
 
+.shadow-parts::part(textspan) {
+  display: auto;
+}
+
 .shapes-1 {
   shape-outside: auto;
   shape-image-threshold: auto;