Add sizing-4.vim

https://www.w3.org/TR/2020/WD-css-sizing-4-20200526/

after/syntax/css/box-3.vim

@@ -1,9 +0,0 @@
-syn match cssBoxProp contained "\<margin-trim\>"
-syn match cssBoxAttr contained "\<in-flow\>"
-" These will be moved to block-3
-syn match cssBoxProp contained "\<clear-after\>"
-syn match cssBoxProp contained "\<float-displace\>"
-syn match cssBoxProp contained "\<indent-edge-reset\>"
-syn keyword cssBoxAttr contained scrollbar panner marquee decendants
-syn match cssBoxAttr contained "\<block-within-page\>"
-syn match cssBoxAttr contained "\<\(margin\|border\|padding\|content\)-edge\>"

after/syntax/css/box-4.vim

@@ -0,0 +1,2 @@
+syn match cssBoxProp contained "\<margin-trim\>"
+syn match cssBoxAttr contained "\<in-flow\>"

after/syntax/css/color-5.vim

@@ -0,0 +1 @@
+syn region cssFunction contained matchgroup=cssFunctionName start="\<\(color-\(mix\|contrast\|adjust\)\|red\|green\|blue\|alpha\|hue\|saturation\|lightness\|whiteness\|blackness\|a\|b\|chroma\)\s*(" end=")" contains=cssCustomProp,cssFunction,cssColor,cssFunctionComma oneline

after/syntax/css/images-3.vim

@@ -1,6 +1,6 @@
 syn match cssFontProp contained "\<object-\(fit\|position\)\>"
 syn match cssFontProp contained "\<image-orientation\>"
-syn keyword cssFontAttr contained snap flip
+syn keyword cssFontAttr contained snap flip pixelated
 syn match cssFontAttr contained "\<scale-down\>"
 syn match cssFontAttr contained "\<from-image\>"
 syn region cssFunction contained matchgroup=cssFunctionName start="\<\(repeating-\(linear\|radial\)-gradient\)\s*(" end=")" oneline keepend

after/syntax/css/logical-1.vim

@@ -1,5 +1,5 @@
 syn match cssFontProp contained "\<\(\(min\|max\)-\)\=\(block\|inline\)-size\>"
-syn match cssFontProp contained "\<\(margin\|inset\|padding\)\(-\(block\|inline\)\(-\(start\|end\)\)\=\)\=\>"
+syn match cssFontProp contained "\<\(margin\|padding\)\(-\(block\|inline\)\(-\(start\|end\)\)\=\)\=\>"
 syn match cssFontProp contained "\<border-\(block\|inline\)\(\(-\(start\|end\)\)\=\(-\(width\|style\|color\)\)\=\)\=\>"
 syn match cssFontProp contained "\<border-\(start\|end\)-\(start\|end\)-radius\>"
 syn keyword cssFontAttr contained logical physical rotate

after/syntax/css/position-3.vim

@@ -1,2 +1,2 @@
-syn match cssFontProp contained "\<offset-\(before\|end\|after\|start\)\>"
+syn match cssFontProp contained "\<inset\(-\(block\|inline\)\(-\(start\|end\)\)\=\)\=\>"
 syn keyword cssFontAttr contained sticky

after/syntax/css/ruby-1.vim

@@ -1,4 +1,3 @@
-" TODO: create cssRubyProp group and cssRubyAttr group
-syn match cssFontProp contained "\<ruby-\(position\|merge\|align\)"
+syn match cssFontProp contained "\<ruby-\(position\|merge\|align\|overhang\)"
 syn match cssFontAttr contained "\<ruby-\(base\|text\)-container\>"
 syn match cssFontAttr contained "\<inter-character\>"

after/syntax/css/scrollbars-1.vim

@@ -0,0 +1 @@
+syn match cssFontProp contained "\<scrollbar-\(color\|width\)\>"

after/syntax/css/sizing-4.vim

@@ -0,0 +1,2 @@
+syn match cssFontProp contained "\<contain-intrinsic-size\>"
+syn match cssFontAttr contained "\<\fit-content\>"

after/syntax/css/speech-1.vim

@@ -0,0 +1,6 @@
+syn match cssAuralProp contained "\<voice-\(volume\|balance\|rate\|pitch\|range\|stress\|duration\)\>"
+syn match cssAuralProp contained "\<rest\(-\(before\|after\)\)\=\>"
+syn keyword cssAuralAttr contained young old neutral preserve moderate reduced
+syn match cssAuralAttr contained "\<\(literal\|no\)-punctuation\>"
+syn match cssAuralAttr contained "\<\(x-\)\=\(weak\|strong\)\>"
+syn match cssValueNumber contained "[-+]\=\d\+\(dB\|st\)"

after/syntax/css/text-decor-4.vim

@@ -1,4 +1,6 @@
-syn match cssTextProp contained "\<text-\(decoration-\(width\|skip\|skip-ink\)\|underline-offset\|emphasis-skip\)\>"
+syn match cssTextProp contained "\<text-\(decoration-\(thickness\|skip\|skip-ink\)\|underline-offset\|emphasis-skip\)\>"
 syn keyword cssTextAttr contained objects edges symbols narrow
-syn match cssTextAttr contained "\<box-decoration\>"
+syn match cssTextAttr contained "\<\(spelling\|grammer\)-error\>"
+syn match cssTextAttr contained "\<from-font\>"
 syn match cssTextAttr contained "\<\(\(leading\|trailing\)-\)\=spaces\>"
+syn match cssTextAttr contained "\<box-decoration\>"

after/syntax/css/transforms-2.vim

@@ -0,0 +1,2 @@
+syn keyword cssFontProp contained rotate scale translate
+syn keyword cssFontAttr contained flat

after/syntax/css/unofficials.vim

@@ -0,0 +1,2 @@
+syn match cssFontProp contained "\<backdrop-filter\>"
+syn region cssFunction contained matchgroup=cssFunctionName start="\<env\s*(" end=")" oneline keepend