1.9.0

https://www.w3.org/TR/2021/WD-css-sizing-4-20210520/

after/syntax/css/cascade-5.vim

@@ -0,0 +1 @@
+syn match cssFontAttr contained "\<revert-layer\>"

after/syntax/css/color-adjust-1.vim

@@ -1,3 +1,3 @@
-syn match cssColorProp contained "\<\(forced-\)\=color-adjust\>"
+syn match cssColorProp contained "\<\(forced-\|print-\)\=color-adjust\>"
 syn match cssColorProp contained "\<color-scheme\>"
 syn keyword cssFontAttr contained economy exact

after/syntax/css/sizing-4.vim

@@ -1,2 +1,3 @@
 syn match cssFontProp contained "\<contain-intrinsic-size\>"
-syn match cssFontAttr contained "\<\fit-content\>"
+syn match cssFontProp contained "\<min-intrinsic-sizing\>"
+syn match cssFontAttr contained "\<zero-if-\(scroll\|extrinsic\)\>"

test/test.css

@@ -65,14 +65,16 @@
 	display: auto;
 }
 
+@import "cascade-4.css" supports(display: auto);
+
 .cascade-4 {
 	display: revert;
 }
 
-@import "conditional-3.css" supports(display: auto);
+@import "cascade-5.css" layer(framework component);
 
-@supports (selector(.conditional-4)) {
-	display: auto;
+.cascade-5 {
+	display: revert-layer;
 }
 
 .color-3 {
@@ -103,6 +105,7 @@
 .color-adjust-1 {
 	color-scheme: auto;
 	forced-color-adjust: auto;
+	print-color-adjust: auto;
 	color-adjust: auto;
 	display: light;
 	display: economy;
@@ -131,13 +134,17 @@
 }
 
 @supports (display: auto) or
-	(display: auto) not
-	(display: auto) {
+(display: auto) not
+(display: auto) {
 	.conditional-3 {
-	  display: auto;
+		display: auto;
 	}
 }
 
+@supports (selector(.conditional-4)) {
+	display: auto;
+}
+
 .contain-1 {
 	contain: auto;
 	display: layout;
@@ -878,7 +885,10 @@ mask {
 
 .sizing-4 {
 	contain-intrinsic-size: auto;
+	min-intrinsic-sizing: auto;
 	display: fit-content;
+	display: zero-if-scroll;
+	display: zero-if-extrinsic;
 }
 
 .speech-1 {