2.2.1

https://www.w3.org/TR/2023/WD-css-values-4-20231027/

after/syntax/css/page-3.vim

@@ -1 +1 @@
-syn keyword cssFontProp contained marks bleed
+syn keyword cssFontProp contained marks bleed page-orientation

after/syntax/css/text-4.vim

@@ -1,2 +1,2 @@
-syn keyword cssFontProp contained white-space-collapse white-space-trim text-space-trim text-wrap text-autospace text-spacing-trim text-spacing text-group-align wrap-before wrap-after wrap-inside hyphenate-character hyphenate-limit-zone hyphenate-limit-chars hyphenate-limit-lines hyphenate-limit-last line-padding word-boundary-detection word-boundary-expansion
-syn keyword cssFontAttr contained spread punctuation preserve-breaks preserve-spaces discard-inner discard-before discard-after pretty avoid-line avoid-flex pre-wrap-auto no-limit trim-start trim-end trim-adjacent space-start space-end space-adjacent space-first no-compress ideograph-alpha ideograph-numeric ideographic-space
+syn keyword cssFontProp contained white-space-collapse white-space-trim text-space-trim text-wrap text-autospace text-spacing-trim text-spacing text-group-align wrap-before wrap-after wrap-inside hyphenate-character hyphenate-limit-zone hyphenate-limit-chars hyphenate-limit-lines hyphenate-limit-last line-padding word-boundary-detection word-space-transform
+syn keyword cssFontAttr contained spread punctuation preserve-breaks preserve-spaces discard-inner discard-before discard-after pretty avoid-line avoid-flex pre-wrap-auto no-limit space-all trim-auto space-first trim-all no-compress ideograph-alpha ideograph-numeric ideographic-space

after/syntax/css/transitions-2.vim

@@ -0,0 +1 @@
+syn match cssFontDescriptor "@\(starting-style\)\>" nextgroup=cssFontDescriptorBlock skipwhite skipnl

after/syntax/css/values-4.vim

@@ -1,3 +1,3 @@
 syn match cssValueLength contained "[-+]\=\d\+\(\.\d*\)\=\(rex\|cap\|rcap\|rch\|ic\|ric\|lh\|rlh\)"
 syn match cssValueLength contained "[-+]\=\d\+\(\.\d*\)\=\(s\|l\|d\)\=v\(h\|w\|i\|b\|min\|max\)"
-syn region cssFunction contained matchgroup=cssFunctionName start="\<\(mix\|min\|max\|clamp\|round\|mod\|rem\|a\=\(sin\|cos\|tan\)\|atan2\|pow\|sqrt\|hypot\|log\|exp\|abs\|sign\)\s*(" end=")" oneline keepend
+syn region cssFunction contained matchgroup=cssFunctionName start="\<\(min\|max\|clamp\|round\|mod\|rem\|a\=\(sin\|cos\|tan\)\|atan2\|pow\|sqrt\|hypot\|log\|exp\|abs\|sign\)\s*(" end=")" oneline keepend

test/test.css

@@ -672,6 +672,7 @@ mask {
 .page-3 {
 	marks: auto;
 	bleed: auto;
+	page-orientation: auto;
 }
 
 .page-floats-3 {
@@ -1108,7 +1109,7 @@ view {
 	text-spacing-trim: auto;
 	text-spacing: auto;
 	word-boundary-detection: auto;
-	word-boundary-expansion: auto;
+	word-space-transform: auto;
 	display: preserve-breaks;
 	display: preserve-spaces;
 	display: discard-inner;
@@ -1120,13 +1121,10 @@ view {
 	display: pre-wrap-auto;
 	display: no-limit;
 	display: spread;
-	display: trim-start;
-	display: space-start;
+	display: space-all;
+	display: trim-auto;
 	display: space-first;
-	display: trim-end;
-	display: space-end;
-	display: trim-adjacent;
-	display: space-adjacent;
+	display: trim-all;
 	display: no-compress;
 	display: ideograph-alpha;
 	display: ideograph-numeric;
@@ -1192,6 +1190,12 @@ view {
 	display: auto;
 }
 
+@starting-style {
+	.transitions-2 {
+		display: auto;
+	}
+}
+
 .typed-om-1 {
 	display: auto;
 }
@@ -1269,7 +1273,6 @@ view {
 	display: exp(1);
 	display: abs(-1);
 	display: sign(-4);
-	display: mix(33%; 1px; 2px);
 }
 
 .variables-1 {