css-tree - npm Package Compare versions

Comparing version 1.0.0-alpha16 to 1.0.0-alpha17

data/mdn-data-syntaxes.json

 {
   "absolute-size": "xx-small | x-small | small | medium | large | x-large | xx-large",
-  "alpha-value": "<number>",
-  "an-plus-b": "<var>A</var>n+<var>B</var> | even | odd",
-  "angle-percentage": "&lt;angle&gt; | &lt;percentage&gt;",
-  "animateable-feature": "scroll-position | contents | &lt;custom-ident&gt;",
+  "alpha-value": "<number>, | <percentage>",
+  "angle-percentage": "<angle> | <percentage>",
+  "animateable-feature": "scroll-position | contents | <custom-ident>",
   "attachment": "scroll | fixed | local",
-  "attr()": "attr( &lt;attr-name&gt; &lt;type-or-unit&gt;? [, &lt;attr-fallback&gt; ]? )",
-  "auto-repeat": "repeat( [ auto-fill | auto-fit ] , [ &lt;line-names&gt;? &lt;fixed-size&gt; ]+ &lt;line-names&gt;? )",
-  "auto-track-list": "[ &lt;line-names&gt;? [ &lt;fixed-size&gt; | &lt;fixed-repeat&gt; ] ]* &lt;line-names&gt;? &lt;auto-repeat&gt;\n[ &lt;line-names&gt;? [ &lt;fixed-size&gt; | &lt;fixed-repeat&gt; ] ]* &lt;line-names&gt;?",
-  "basic-shape": "&lt;inset()&gt; | &lt;circle()&gt; | &lt;ellipse()&gt; | &lt;polygon()&gt;",
-  "bg-image": "none | &lt;image&gt;",
-  "bg-layer": "&lt;bg-image&gt; || &lt;position&gt; [ / &lt;bg-size&gt; ]? || &lt;repeat-style&gt; || &lt;attachment&gt; || &lt;box&gt;{1,2}",
-  "bg-size": "[ &lt;length-percentage&gt; | auto ]{1,2} | cover | contain",
-  "blur()": "blur( &lt;length&gt; )",
+  "attr()": "attr( <attr-name> <type-or-unit>? [, <attr-fallback> ]? )",
+  "auto-repeat": "repeat( [ auto-fill | auto-fit ] , [ <line-names>? <fixed-size> ]+ <line-names>? )",
+  "auto-track-list": "[ <line-names>? [ <fixed-size> | <fixed-repeat> ] ]* <line-names>? <auto-repeat>\n[ <line-names>? [ <fixed-size> | <fixed-repeat> ] ]* <line-names>?",
+  "basic-shape": "<inset()> | <circle()> | <ellipse()> | <polygon()>",
+  "bg-image": "none | <image>",
+  "bg-layer": "<bg-image> || <position> [ / <bg-size> ]? || <repeat-style> || <attachment> || <box>{1,2}",
+  "bg-size": "[ <length-percentage> | auto ]{1,2} | cover | contain",
+  "blur()": "blur( <length> )",
   "blend-mode": "normal | multiply | screen | overlay | darken | lighten | color-dodge | color-burn | hard-light | soft-light | difference | exclusion | hue | saturation | color | luminosity",
   "box": "border-box | padding-box | content-box",
   "br-style": "none | hidden | dotted | dashed | solid | double | groove | ridge | inset | outset",
-  "br-width": "&lt;length&gt; | thin | medium | thick",
-  "brightness()": "brightness( &lt;number-percentage&gt; )",
-  "calc()": "calc( &lt;calc-sum&gt; )",
-  "calc-sum": "&lt;calc-product&gt; [ [ '+' | '-' ] &lt;calc-product&gt; ]*",
-  "calc-product": "&lt;calc-value&gt; [ '*' &lt;calc-value&gt; | '/' &lt;number&gt; ]*",
-  "calc-value": "&lt;number&gt; | &lt;dimension&gt; | &lt;percentage&gt; | ( &lt;calc-sum&gt; )",
-  "cf-final-image": "&lt;image&gt; | &lt;color&gt;",
-  "cf-mixing-image": "&lt;percentage&gt;? &amp;&amp; &lt;image&gt;",
-  "circle()": "circle( [ &lt;shape-radius&gt; ]? [ at &lt;position&gt; ]? )",
-  "clip-source": "&lt;url&gt;",
-  "color": "&lt;rgb()&gt; | &lt;rgba()&gt; | &lt;hsl()&gt; | &lt;hsla()&gt; | &lt;hex-color&gt; | &lt;named-color&gt; | currentcolor | &lt;deprecated-system-color&gt;",
-  "color-stop": "&lt;color&gt; &lt;length-percentage&gt;?",
-  "color-stop-list": "&lt;color-stop&gt;{2,}",
+  "br-width": "<length> | thin | medium | thick",
+  "brightness()": "brightness( <number-percentage> )",
+  "calc()": "calc( <calc-sum> )",
+  "calc-sum": "<calc-product> [ [ '+' | '-' ] <calc-product> ]*",
+  "calc-product": "<calc-value> [ '*' <calc-value> | '/' <number> ]*",
+  "calc-value": "<number> | <dimension> | <percentage> | ( <calc-sum> )",
+  "cf-final-image": "<image> | <color>",
+  "cf-mixing-image": "<percentage>? && <image>",
+  "circle()": "circle( [ <shape-radius> ]? [ at <position> ]? )",
+  "clip-source": "<url>",
+  "color": "<rgb()> | <rgba()> | <hsl()> | <hsla()> | <hex-color> | <named-color> | currentcolor | <deprecated-system-color>",
+  "color-stop": "<color> <length-percentage>?",
+  "color-stop-list": "<color-stop>{2,}",
   "common-lig-values": "[ common-ligatures | no-common-ligatures ]",
@@ -36,154 +35,167 @@ "composite-style": "clear | copy | source-over | source-in | source-out | source-atop | destination-over | destination-in | destination-out | destination-atop | xor",
   "contextual-alt-values": "[ contextual | no-contextual ]",
-  "contrast()": "contrast( [ &lt;number-percentage&gt; ] )",
-  "counter-style": "&lt;counter-style-name&gt; | symbols()",
-  "counter-style-name": "&lt;custom-ident&gt;",
-  "cross-fade()": "cross-fade( &lt;cf-mixing-image&gt; , &lt;cf-final-image&gt;? )",
+  "content-list": "[ <string> | contents | <url> | <quote> | <target> | <leader()> ]+",
+  "contrast()": "contrast( [ <number-percentage> ] )",
+  "counter-style": "<counter-style-name> | symbols()",
+  "counter-style-name": "<custom-ident>",
+  "cross-fade()": "cross-fade( <cf-mixing-image> , <cf-final-image>? )",
   "deprecated-system-color": "ActiveBorder | ActiveCaption | AppWorkspace | Background | ButtonFace | ButtonHighlight | ButtonShadow | ButtonText | CaptionText | GrayText | Highlight | HighlightText | InactiveBorder | InactiveCaption | InactiveCaptionText | InfoBackground | InfoText | Menu | MenuText | Scrollbar | ThreeDDarkShadow | ThreeDFace | ThreeDHighlight | ThreeDLightShadow | ThreeDShadow | Window | WindowFrame | WindowText",
   "discretionary-lig-values": "[ discretionary-ligatures | no-discretionary-ligatures ]",
-  "drop-shadow()": "drop-shadow( &lt;length&gt;{2,3} &lt;color&gt;? )",
+  "display-box": "contents | none",
+  "display-inside": "flow | flow-root | table | flex | grid | subgrid | ruby",
+  "display-internal": "table-row-group | table-header-group | table-footer-group | table-row | table-cell | table-column-group | table-column | table-caption | ruby-base | ruby-text | ruby-base-container | ruby-text-container",
+  "display-legacy": "inline-block | inline-list-item | inline-table | inline-flex | inline-grid",
+  "display-listitem": "list-item && <display-outside>? && [ flow | flow-root ]?",
+  "display-outside": "block | inline | run-in",
+  "drop-shadow()": "drop-shadow( <length>{2,3} <color>? )",
   "east-asian-variant-values": "[ jis78 | jis83 | jis90 | jis04 | simplified | traditional ]",
   "east-asian-width-values": "[ full-width | proportional-width ]",
-  "element()": "element( &lt;id-selector&gt; )",
-  "ellipse()": "ellipse( [ &lt;shape-radius&gt;{2} ]? [ at &lt;position&gt; ]? )",
+  "element()": "element( <id-selector> )",
+  "ellipse()": "ellipse( [ <shape-radius>{2} ]? [ at <position> ]? )",
   "ending-shape": "circle | ellipse",
-  "explicit-track-list": "[ &lt;line-names&gt;? &lt;track-size&gt; ]+ &lt;line-names&gt;?",
-  "family-name": "&lt;string&gt; | &lt;custom-ident&gt;+",
-  "feature-tag-value": "&lt;string&gt; [ &lt;integer&gt; | on | off ]?",
+  "explicit-track-list": "[ <line-names>? <track-size> ]+ <line-names>?",
+  "family-name": "<string> | <custom-ident>+",
+  "feature-tag-value": "<string> [ <integer> | on | off ]?",
   "feature-type": "@stylistic | @historical-forms | @styleset | @character-variant | @swash | @ornaments | @annotation",
-  "feature-value-block": "&lt;feature-type&gt; {\n  &lt;feature-value-declaration-list&gt;\n}",
-  "feature-value-block-list": "&lt;feature-value-block&gt;+",
-  "feature-value-declaration": "&lt;custom-ident&gt;: &lt;integer&gt;+;",
-  "feature-value-declaration-list": "&lt;feature-value-declaration&gt;",
-  "feature-value-name": "&lt;custom-ident&gt;",
+  "feature-value-block": "<feature-type> {\n  <feature-value-declaration-list>\n}",
+  "feature-value-block-list": "<feature-value-block>+",
+  "feature-value-declaration": "<custom-ident>: <integer>+;",
+  "feature-value-declaration-list": "<feature-value-declaration>",
+  "feature-value-name": "<custom-ident>",
   "fill-rule": "nonzero | evenodd",
-  "filter-function": "&lt;blur()&gt; | &lt;brightness()&gt; | &lt;contrast()&gt; | &lt;drop-shadow()&gt; | &lt;grayscale()&gt; | &lt;hue-rotate()&gt; | &lt;invert()&gt; | &lt;opacity()&gt; | &lt;sepia()&gt; | &lt;saturate()&gt;",
-  "filter-function-list": "[ &lt;filter-function&gt; | &lt;url&gt; ]+",
-  "final-bg-layer": "&lt;bg-image&gt; || &lt;position&gt; [ / &lt;bg-size&gt; ]? || &lt;repeat-style&gt; || &lt;attachment&gt; || &lt;box&gt; || &lt;box&gt; || &lt;'background-color'&gt;",
-  "fit-content()": "fit-content( [ &lt;length&gt; | &lt;percentage&gt; ] )",
-  "fixed-breadth": "&lt;length-percentage&gt;",
-  "fixed-repeat": "repeat( [ &lt;positive-integer&gt; ] , [ &lt;line-names&gt;? &lt;fixed-size&gt; ]+ &lt;line-names&gt;? )",
-  "fixed-size": "&lt;fixed-breadth&gt; | minmax( &lt;fixed-breadth&gt; , &lt;track-breadth&gt; ) | minmax( &lt;inflexible-breadth&gt; , &lt;fixed-breadth&gt; )",
+  "filter-function": "<blur()> | <brightness()> | <contrast()> | <drop-shadow()> | <grayscale()> | <hue-rotate()> | <invert()> | <opacity()> | <sepia()> | <saturate()>",
+  "filter-function-list": "[ <filter-function> | <url> ]+",
+  "final-bg-layer": "<bg-image> || <position> [ / <bg-size> ]? || <repeat-style> || <attachment> || <box> || <box> || <'background-color'>",
+  "fit-content()": "fit-content( [ <length> | <percentage> ] )",
+  "fixed-breadth": "<length-percentage>",
+  "fixed-repeat": "repeat( [ <positive-integer> ] , [ <line-names>? <fixed-size> ]+ <line-names>? )",
+  "fixed-size": "<fixed-breadth> | minmax( <fixed-breadth> , <track-breadth> ) | minmax( <inflexible-breadth> , <fixed-breadth> )",
   "font-variant-css21": "[ normal | small-caps ]",
-  "frequency-percentage": "&lt;frequency&gt; | &lt;percentage&gt;",
-  "general-enclosed": "[ &lt;function-token&gt; &lt;any-value&gt; ) ] | ( &lt;ident&gt; &lt;any-value&gt; )",
+  "frequency-percentage": "<frequency> | <percentage>",
+  "general-enclosed": "[ <function-token> <any-value> ) ] | ( <ident> <any-value> )",
   "generic-family": "serif | sans-serif | cursive | fantasy | monospace",
   "generic-name": "serif | sans-serif | cursive | fantasy | monospace",
-  "geometry-box": "&lt;shape-box&gt; | fill-box | stroke-box | view-box",
-  "gradient": "&lt;linear-gradient()&gt; | &lt;repeating-linear-gradient()&gt; | &lt;radial-gradient()&gt; | &lt;repeating-radial-gradient()&gt;",
-  "grayscale()": "grayscale( &lt;number-percentage&gt; )",
-  "grid-line": "auto | &lt;custom-ident&gt; | [ &lt;integer&gt; &amp;&amp; &lt;custom-ident&gt;? ] | [ span &amp;&amp; [ &lt;integer&gt; || &lt;custom-ident&gt; ] ]",
+  "geometry-box": "<shape-box> | fill-box | stroke-box | view-box",
+  "gradient": "<linear-gradient()> | <repeating-linear-gradient()> | <radial-gradient()> | <repeating-radial-gradient()>",
+  "grayscale()": "grayscale( <number-percentage> )",
+  "grid-line": "auto | <custom-ident> | [ <integer> && <custom-ident>? ] | [ span && [ <integer> || <custom-ident> ] ]",
   "historical-lig-values": "[ historical-ligatures | no-historical-ligatures ]",
-  "hsl()": "hsl( &lt;hue&gt;, &lt;percentage&gt;, &lt;percentage&gt; )",
-  "hsla()": "hsla( &lt;hue&gt;, &lt;percentage&gt;, &lt;percentage&gt;, &lt;alpha-value&gt; )",
-  "hue": "&lt;number&gt;",
-  "hue-rotate()": "hue-rotate( &lt;angle&gt; )",
-  "image": "&lt;url&gt; | &lt;image()&gt; | &lt;image-set()&gt; | &lt;element()&gt; | &lt;cross-fade()&gt; | &lt;gradient&gt;",
-  "image()": "image( [ [ &lt;image&gt; | &lt;string&gt; ]? , &lt;color&gt;? ]! )",
-  "image-set()": "image-set( &lt;image-set-option&gt;# )",
-  "image-set-option": "[ &lt;image&gt; | &lt;string&gt; ] &lt;resolution&gt;",
-  "inflexible-breadth": "&lt;length&gt; | &lt;percentage&gt; | min-content | max-content | auto",
-  "inset()": "inset( &lt;length-percentage&gt;{1,4} [ round &lt;border-radius&gt; ]? )",
-  "invert()": "invert( &lt;number-percentage&gt; )",
-  "keyframes-name": "&lt;custom-ident&gt; | &lt;string&gt;",
-  "keyframe-block": "&lt;keyframe-selector&gt;# {\n  &lt;declaration-list&gt;\n}",
-  "keyframe-block-list": "&lt;keyframe-block&gt;+",
-  "keyframe-selector": "from | to | &lt;percentage&gt;",
-  "length-percentage": "&lt;length&gt; | &lt;percentage&gt;",
-  "line-names": "'[' &lt;custom-ident&gt;* ']'",
-  "line-name-list": "[ &lt;line-names&gt; | &lt;name-repeat&gt; ]+",
-  "linear-gradient()": "linear-gradient( [ &lt;angle&gt; | to &lt;side-or-corner&gt; ]? , &lt;color-stop-list&gt; )",
-  "mask-layer": "&lt;mask-reference&gt; &lt;masking-mode&gt;? || &lt;position&gt; [ / &lt;bg-size&gt; ]? || &lt;repeat-style&gt; || &lt;geometry-box&gt; || [ &lt;geometry-box&gt; | no-clip ] || &lt;compositing-operator&gt;",
-  "mask-position": "[ &lt;length-percentage&gt; | left | center | right ] [ &lt;length-percentage&gt; | top | center | bottom ]?",
-  "mask-reference": "none | &lt;image&gt; | &lt;mask-source&gt;",
-  "mask-source": "&lt;url&gt;",
+  "hsl()": "hsl( [ <hue> <percentage> <percentage> [ / <alpha-value> ]? ] | [ <hue>, <percentage>, <percentage>, <alpha-value>? ] )",
+  "hsla()": "hsla( [ <hue> <percentage> <percentage> [ / <alpha-value> ]? ] | [ <hue>, <percentage>, <percentage>, <alpha-value>? ] )",
+  "hue": "<number> | <angle>",
+  "hue-rotate()": "hue-rotate( <angle> )",
+  "image": "<url> | <image()> | <image-set()> | <element()> | <cross-fade()> | <gradient>",
+  "image()": "image( [ [ <image> | <string> ]? , <color>? ]! )",
+  "image-set()": "image-set( <image-set-option># )",
+  "image-set-option": "[ <image> | <string> ] <resolution>",
+  "inflexible-breadth": "<length> | <percentage> | min-content | max-content | auto",
+  "inset()": "inset( <length-percentage>{1,4} [ round <border-radius> ]? )",
+  "invert()": "invert( <number-percentage> )",
+  "keyframes-name": "<custom-ident> | <string>",
+  "keyframe-block": "<keyframe-selector># {\n  <declaration-list>\n}",
+  "keyframe-block-list": "<keyframe-block>+",
+  "keyframe-selector": "from | to | <percentage>",
+  "leader()": "leader( dotted | solid | space | <string> )",
+  "length-percentage": "<length> | <percentage>",
+  "line-names": "'[' <custom-ident>* ']'",
+  "line-name-list": "[ <line-names> | <name-repeat> ]+",
+  "linear-gradient()": "linear-gradient( [ <angle> | to <side-or-corner> ]? , <color-stop-list> )",
+  "mask-layer": "<mask-reference> || <position> [ / <bg-size> ]? || <repeat-style> || <geometry-box> || [ <geometry-box> | no-clip ] || <compositing-operator> || <masking-mode>",
+  "mask-position": "[ <length-percentage> | left | center | right ] [ <length-percentage> | top | center | bottom ]?",
+  "mask-reference": "none | <image> | <mask-source>",
+  "mask-source": "<url>",
   "masking-mode": "alpha | luminance | match-source",
-  "matrix()": "matrix( &lt;number&gt; [, &lt;number&gt; ]{5,5} )",
-  "matrix3d()": "matrix3d( &lt;number&gt; [, &lt;number&gt; ]{15,15} )",
-  "media-and": "&lt;media-in-parens&gt; [ and &lt;media-in-parens&gt; ]+",
-  "media-condition": "&lt;media-not&gt; | &lt;media-and&gt; | &lt;media-or&gt; | &lt;media-in-parens&gt;",
-  "media-condition-without-or": "&lt;media-not&gt; | &lt;media-and&gt; | &lt;media-in-parens&gt;",
-  "media-feature": "( [ &lt;mf-plain&gt; | &lt;mf-boolean&gt; | &lt;mf-range&gt; ] )",
-  "media-in-parens": "( &lt;media-condition&gt; ) | &lt;media-feature&gt; | &lt;general-enclosed&gt;",
-  "media-not": "not &lt;media-in-parens&gt;",
-  "media-or": "&lt;media-in-parens&gt; [ or &lt;media-in-parens&gt; ]+",
-  "media-query": "&lt;media-condition&gt; | [ not | only ]? &lt;media-type&gt; [ and &lt;media-condition-without-or&gt; ]?",
-  "media-query-list": "&lt;media-query&gt;#",
-  "media-type": "&lt;ident&gt;",
-  "mf-boolean": "&lt;mf-name&gt;",
-  "mf-name": "&lt;ident&gt;",
-  "mf-plain": "&lt;mf-name&gt; : &lt;mf-value&gt;",
-  "mf-range": "&lt;mf-name&gt; [ '&lt;' | '&gt;' ]? '='? &lt;mf-value&gt;\n| &lt;mf-value&gt; [ '&lt;' | '&gt;' ]? '='? &lt;mf-name&gt;\n| &lt;mf-value&gt; '&lt;' '='? &lt;mf-name&gt; '&lt;' '='? &lt;mf-value&gt;\n| &lt;mf-value&gt; '&gt;' '='? &lt;mf-name&gt; '&gt;' '='? &lt;mf-value&gt;",
-  "mf-value": "&lt;number&gt; | &lt;dimension&gt; | &lt;ident&gt; | &lt;ratio&gt;",
-  "minmax()": "minmax( <var>min</var>, <var>max</var> )",
-  "named-color": "&lt;ident&gt;",
-  "namespace-prefix": "&lt;ident&gt;",
-  "number-percentage": "&lt;number&gt; | &lt;percentage&gt;",
+  "matrix()": "matrix( <number> [, <number> ]{5,5} )",
+  "matrix3d()": "matrix3d( <number> [, <number> ]{15,15} )",
+  "media-and": "<media-in-parens> [ and <media-in-parens> ]+",
+  "media-condition": "<media-not> | <media-and> | <media-or> | <media-in-parens>",
+  "media-condition-without-or": "<media-not> | <media-and> | <media-in-parens>",
+  "media-feature": "( [ <mf-plain> | <mf-boolean> | <mf-range> ] )",
+  "media-in-parens": "( <media-condition> ) | <media-feature> | <general-enclosed>",
+  "media-not": "not <media-in-parens>",
+  "media-or": "<media-in-parens> [ or <media-in-parens> ]+",
+  "media-query": "<media-condition> | [ not | only ]? <media-type> [ and <media-condition-without-or> ]?",
+  "media-query-list": "<media-query>#",
+  "media-type": "<ident>",
+  "mf-boolean": "<mf-name>",
+  "mf-name": "<ident>",
+  "mf-plain": "<mf-name> : <mf-value>",
+  "mf-range": "<mf-name> [ '<' | '>' ]? '='? <mf-value>\n| <mf-value> [ '<' | '>' ]? '='? <mf-name>\n| <mf-value> '<' '='? <mf-name> '<' '='? <mf-value>\n| <mf-value> '>' '='? <mf-name> '>' '='? <mf-value>",
+  "mf-value": "<number> | <dimension> | <ident> | <ratio>",
+  "minmax()": "minmax( min, max )",
+  "named-color": "transparent | aliceblue | antiquewhite | aqua | aquamarine | azure | beige | bisque | black | blanchedalmond | blue | blueviolet | brown | burlywood | cadetblue | chartreuse | chocolate | coral | cornflowerblue | cornsilk | crimson | cyan | darkblue | darkcyan | darkgoldenrod | darkgray | darkgreen | darkgrey | darkkhaki | darkmagenta | darkolivegreen | darkorange | darkorchid | darkred | darksalmon | darkseagreen | darkslateblue | darkslategray | darkslategrey | darkturquoise | darkviolet | deeppink | deepskyblue | dimgray | dimgrey | dodgerblue | firebrick | floralwhite | forestgreen | fuchsia | gainsboro | ghostwhite | gold | goldenrod | gray | green | greenyellow | grey | honeydew | hotpink | indianred | indigo | ivory | khaki | lavender | lavenderblush | lawngreen | lemonchiffon | lightblue | lightcoral | lightcyan | lightgoldenrodyellow | lightgray | lightgreen | lightgrey | lightpink | lightsalmon | lightseagreen | lightskyblue | lightslategray | lightslategrey | lightsteelblue | lightyellow | lime | limegreen | linen | magenta | maroon | mediumaquamarine | mediumblue | mediumorchid | mediumpurple | mediumseagreen | mediumslateblue | mediumspringgreen | mediumturquoise | mediumvioletred | midnightblue | mintcream | mistyrose | moccasin | navajowhite | navy | oldlace | olive | olivedrab | orange | orangered | orchid | palegoldenrod | palegreen | paleturquoise | palevioletred | papayawhip | peachpuff | peru | pink | plum | powderblue | purple | rebeccapurple | red | rosybrown | royalblue | saddlebrown | salmon | sandybrown | seagreen | seashell | sienna | silver | skyblue | slateblue | slategray | slategrey | snow | springgreen | steelblue | tan | teal | thistle | tomato | turquoise | violet | wheat | white | whitesmoke | yellow | yellowgreen",
+  "namespace-prefix": "<ident>",
+  "number-percentage": "<number> | <percentage>",
   "numeric-figure-values": "[ lining-nums | oldstyle-nums ]",
   "numeric-fraction-values": "[ diagonal-fractions | stacked-fractions ]",
   "numeric-spacing-values": "[ proportional-nums | tabular-nums ]",
-  "opacity()": "opacity( [ &lt;number-percentage&gt; ] )",
-  "page-body": "&lt;declaration&gt;? [ ; &lt;page-body&gt; ]? | &lt;page-margin-box&gt; &lt;page-body&gt;",
-  "page-margin-box": "&lt;page-margin-box-type&gt; {\n  &lt;declaration-list&gt;\n}",
+  "nth": "<an-plus-b> | even | odd",
+  "opacity()": "opacity( [ <number-percentage> ] )",
+  "page-body": "<declaration>? [ ; <page-body> ]? | <page-margin-box> <page-body>",
+  "page-margin-box": "<page-margin-box-type> {\n  <declaration-list>\n}",
   "page-margin-box-type": "@top-left-corner | @top-left | @top-center | @top-right | @top-right-corner | @bottom-left-corner | @bottom-left | @bottom-center | @bottom-right | @bottom-right-corner | @left-top | @left-middle | @left-bottom | @right-top | @right-middle | @right-bottom",
-  "page-selector-list": "[ &lt;page-selector&gt;# ]?",
-  "page-selector": "&lt;pseudo-page&gt;+ | &lt;ident&gt; &lt;pseudo-page&gt;*",
-  "perspective()": "perspective( &lt;length&gt; )",
-  "polygon()": "polygon( &lt;fill-rule&gt;? , [ &lt;length-percentage&gt; &lt;length-percentage&gt; ]# )",
-  "position": "[[ left | center | right | top | bottom | &lt;length-percentage&gt; ] | [ left | center | right | &lt;length-percentage&gt; ] [ top | center | bottom | &lt;length-percentage&gt; ] | [ center | [ left | right ] &lt;length-percentage&gt;? ] &amp;&amp; [ center | [ top | bottom ] &lt;length-percentage&gt;? ]]",
+  "page-selector-list": "[ <page-selector># ]?",
+  "page-selector": "<pseudo-page>+ | <ident> <pseudo-page>*",
+  "perspective()": "perspective( <length> )",
+  "polygon()": "polygon( <fill-rule>? , [ <length-percentage> <length-percentage> ]# )",
+  "position": "[[ left | center | right | top | bottom | <length-percentage> ] | [ left | center | right | <length-percentage> ] [ top | center | bottom | <length-percentage> ] | [ center | [ left | right ] <length-percentage>? ] && [ center | [ top | bottom ] <length-percentage>? ]]",
   "pseudo-page": ": [ left | right | first | blank ]",
-  "radial-gradient()": "radial-gradient( [ &lt;ending-shape&gt; || &lt;size&gt; ]? [ at &lt;position&gt; ]? , &lt;color-stop-list&gt; )",
+  "quote": "open-quote | close-quote | no-open-quote | no-close-quote",
+  "radial-gradient()": "radial-gradient( [ <ending-shape> || <size> ]? [ at <position> ]? , <color-stop-list> )",
   "relative-size": "larger | smaller",
   "repeat-style": "repeat-x | repeat-y | [ repeat | space | round | no-repeat ]{1,2}",
-  "repeating-linear-gradient()": "repeating-linear-gradient( [ &lt;angle&gt; | to &lt;side-or-corner&gt; ]? , &lt;color-stop-list&gt; )",
-  "repeating-radial-gradient()": "repeating-radial-gradient( [ &lt;ending-shape&gt; || &lt;size&gt; ]? [ at &lt;position&gt; ]? , &lt;color-stop-list&gt; )",
-  "rgb()": "rgb( &lt;rgb-component&gt;#{3} )",
-  "rgb-component": "&lt;integer&gt; | &lt;percentage&gt;",
-  "rgba()": "rgba( &lt;rgb-component&gt;#{3} , &lt;alpha-value&gt; )",
-  "rotate()": "rotate( &lt;angle&gt; )",
-  "rotate3d()": "rotate3d( &lt;number&gt; , &lt;number&gt; , &lt;number&gt; , &lt;angle&gt; )",
-  "rotateX()": "rotateX( &lt;angle&gt; )",
-  "rotateY()": "rotateY( &lt;angle&gt; )",
-  "rotateZ()": "rotateZ( &lt;angle&gt; )",
-  "saturate()": "saturate( &lt;number-percentage&gt; )",
-  "scale()": "scale( &lt;number&gt; [, &lt;number&gt; ]? )",
-  "scale3d()": "scale3d( &lt;number&gt; , &lt;number&gt; , &lt;number&gt; )",
-  "scaleX()": "scaleX( &lt;number&gt; )",
-  "scaleY()": "scaleY( &lt;number&gt; )",
-  "scaleZ()": "scaleZ( &lt;number&gt; )",
-  "shape-radius": "&lt;length-percentage&gt; | closest-side | farthest-side",
-  "skew()": "skew( &lt;angle&gt; [, &lt;angle&gt; ]? )",
-  "skewX()": "skewX( &lt;angle&gt; )",
-  "skewY()": "skewY( &lt;angle&gt; )",
-  "sepia()": "sepia( &lt;number-percentage&gt; )",
-  "shadow": "inset? &amp;&amp; &lt;length&gt;{2,4} &amp;&amp; &lt;color&gt;?",
-  "shadow-t": "[ &lt;length&gt;{2,3} &amp;&amp; &lt;color&gt;? ]",
-  "shape": "rect(&lt;top&gt;, &lt;right&gt;, &lt;bottom&gt;, &lt;left&gt;)",
-  "shape-box": "&lt;box&gt; | margin-box",
+  "repeating-linear-gradient()": "repeating-linear-gradient( [ <angle> | to <side-or-corner> ]? , <color-stop-list> )",
+  "repeating-radial-gradient()": "repeating-radial-gradient( [ <ending-shape> || <size> ]? [ at <position> ]? , <color-stop-list> )",
+  "rgb()": "rgb( [ [ <percentage>{3} | <number>{3} ] [ / <alpha-value> ]? ] | [ [ <percentage>#{3} | <number>#{3} ] , <alpha-value>? ] )",
+  "rgba()": "rgba( [ [ <percentage>{3} | <number>{3} ] [ / <alpha-value> ]? ] | [ [ <percentage>#{3} | <number>#{3} ] , <alpha-value>? ] )",
+  "rotate()": "rotate( <angle> )",
+  "rotate3d()": "rotate3d( <number> , <number> , <number> , <angle> )",
+  "rotateX()": "rotateX( <angle> )",
+  "rotateY()": "rotateY( <angle> )",
+  "rotateZ()": "rotateZ( <angle> )",
+  "saturate()": "saturate( <number-percentage> )",
+  "scale()": "scale( <number> [, <number> ]? )",
+  "scale3d()": "scale3d( <number> , <number> , <number> )",
+  "scaleX()": "scaleX( <number> )",
+  "scaleY()": "scaleY( <number> )",
+  "scaleZ()": "scaleZ( <number> )",
+  "shape-radius": "<length-percentage> | closest-side | farthest-side",
+  "skew()": "skew( <angle> [, <angle> ]? )",
+  "skewX()": "skewX( <angle> )",
+  "skewY()": "skewY( <angle> )",
+  "sepia()": "sepia( <number-percentage> )",
+  "shadow": "inset? && <length>{2,4} && <color>?",
+  "shadow-t": "[ <length>{2,3} && <color>? ]",
+  "shape": "rect(<top>, <right>, <bottom>, <left>)",
+  "shape-box": "<box> | margin-box",
   "side-or-corner": "[ left | right ] || [ top | bottom ]",
-  "single-animation": "&lt;time&gt; || &lt;single-timing-function&gt; || &lt;time&gt; || &lt;single-animation-iteration-count&gt; || &lt;single-animation-direction&gt; || &lt;single-animation-fill-mode&gt; || &lt;single-animation-play-state&gt; || [ none | &lt;keyframes-name&gt; ]",
+  "single-animation": "<time> || <single-timing-function> || <time> || <single-animation-iteration-count> || <single-animation-direction> || <single-animation-fill-mode> || <single-animation-play-state> || [ none | <keyframes-name> ]",
   "single-animation-direction": "normal | reverse | alternate | alternate-reverse",
   "single-animation-fill-mode": "none | forwards | backwards | both",
-  "single-animation-iteration-count": "infinite | &lt;number&gt;",
+  "single-animation-iteration-count": "infinite | <number>",
   "single-animation-play-state": "running | paused",
-  "single-timing-function": "&lt;single-transition-timing-function&gt;",
-  "single-transition": "[ none | &lt;single-transition-property&gt; ] || &lt;time&gt; || &lt;single-transition-timing-function&gt; || &lt;time&gt;",
-  "single-transition-timing-function": "ease | linear | ease-in | ease-out | ease-in-out | step-start | step-end | steps( &lt;integer&gt; [, [ start | end ] ]? ) | cubic-bezier( &lt;number&gt;, &lt;number&gt;, &lt;number&gt;, &lt;number&gt; )",
-  "single-transition-property": "all | &lt;custom-ident&gt;",
-  "size": "closest-side | farthest-side | closest-corner | farthest-corner | &lt;length&gt; | &lt;length-percentage&gt;{2}",
-  "symbol": "&lt;string&gt; | &lt;image&gt; | &lt;ident&gt;",
-  "time-percentage": "&lt;time&gt; | &lt;percentage&gt;",
-  "track-breadth": "&lt;length-percentage&gt; | &lt;flex&gt; | min-content | max-content | auto",
-  "track-list": "[ &lt;line-names&gt;? [ &lt;track-size&gt; | &lt;track-repeat&gt; ] ]+ &lt;line-names&gt;?",
-  "track-repeat": "repeat( [ &lt;positive-integer&gt; ] , [ &lt;line-names&gt;? &lt;track-size&gt; ]+ &lt;line-names&gt;? )",
-  "track-size": "&lt;track-breadth&gt; | minmax( &lt;inflexible-breadth&gt; , &lt;track-breadth&gt; ) | fit-content( [ &lt;length&gt; | &lt;percentage&gt; ] )",
-  "transform-function": "[ &lt;matrix()&gt; || &lt;translate()&gt; || &lt;translateX()&gt; || &lt;translateY()&gt; || &lt;scale()&gt; || &lt;scaleX()&gt; || &lt;scaleY()&gt; || &lt;rotate()&gt; || &lt;skew()&gt; || &lt;skewX()&gt; || &lt;skewY()&gt; || &lt;matrix3d()&gt; || &lt;translate3d()&gt; || &lt;translateZ()&gt; || &lt;scale3d()&gt; || &lt;scaleZ()&gt; || &lt;rotate3d()&gt; || &lt;rotateX()&gt; || &lt;rotateY()&gt; || &lt;rotateZ()&gt; || &lt;perspective()&gt; ]+",
-  "transform-list": "&lt;transform-function&gt;+",
-  "translate()": "translate( &lt;length-percentage&gt; [, &lt;length-percentage&gt; ]? )",
-  "translate3d()": "translate3d( &lt;length-percentage&gt; , &lt;length-percentage&gt; , &lt;length&gt; )",
-  "translateX()": "translateX( &lt;length-percentage&gt; )",
-  "translateY()": "translateY( &lt;length-percentage&gt; )",
-  "translateZ()": "translateZ( &lt;length&gt; )",
+  "single-timing-function": "<single-transition-timing-function>",
+  "single-transition": "[ none | <single-transition-property> ] || <time> || <single-transition-timing-function> || <time>",
+  "single-transition-timing-function": "ease | linear | ease-in | ease-out | ease-in-out | step-start | step-end | steps( <integer> [, [ start | end ] ]? ) | cubic-bezier( <number>, <number>, <number>, <number> )",
+  "single-transition-property": "all | <custom-ident>",
+  "size": "closest-side | farthest-side | closest-corner | farthest-corner | <length> | <length-percentage>{2}",
+  "symbol": "<string> | <image> | <ident>",
+  "target": "<target-counter()> | <target-counters()> | <target-text()>",
+  "target-counter()": "target-counter( [ <string> | <url> ] , <custom-ident> [, <counter-style> ]? )",
+  "target-counters()": "target-counters( [ <string> | <url> ] , <custom-ident> , <string> [, <counter-style> ]? )",
+  "target-text()": "target-text( [ <string> | <url> ] [, [ content | before | after | first-letter ] ]? )",
+  "time-percentage": "<time> | <percentage>",
+  "track-breadth": "<length-percentage> | <flex> | min-content | max-content | auto",
+  "track-list": "[ <line-names>? [ <track-size> | <track-repeat> ] ]+ <line-names>?",
+  "track-repeat": "repeat( [ <positive-integer> ] , [ <line-names>? <track-size> ]+ <line-names>? )",
+  "track-size": "<track-breadth> | minmax( <inflexible-breadth> , <track-breadth> ) | fit-content( [ <length> | <percentage> ] )",
+  "transform-function": "[ <matrix()> || <translate()> || <translateX()> || <translateY()> || <scale()> || <scaleX()> || <scaleY()> || <rotate()> || <skew()> || <skewX()> || <skewY()> || <matrix3d()> || <translate3d()> || <translateZ()> || <scale3d()> || <scaleZ()> || <rotate3d()> || <rotateX()> || <rotateY()> || <rotateZ()> || <perspective()> ]+",
+  "transform-list": "<transform-function>+",
+  "translate()": "translate( <length-percentage> [, <length-percentage> ]? )",
+  "translate3d()": "translate3d( <length-percentage> , <length-percentage> , <length> )",
+  "translateX()": "translateX( <length-percentage> )",
+  "translateY()": "translateY( <length-percentage> )",
+  "translateZ()": "translateZ( <length> )",
   "type-or-unit": "string | integer | color | url | integer | number | length | angle | time | frequency | em | ex | px | rem | vw | vh | vmin | vmax | mm | q | cm | in | pt | pc | deg | grad | rad | ms | s | Hz | kHz | %",
-  "var()": "var( &lt;custom-property-name&gt; [, &lt;declaration-value&gt; ]? )",
-  "viewport-length": "auto | &lt;length-percentage&gt;"
+  "var()": "var( <custom-property-name> [, <declaration-value> ]? )",
+  "viewport-length": "auto | <length-percentage>"
 }

data/patch.json

@@ -121,3 +121,3 @@ {
       "comment": "changing for property references due webkit version of properties can differ from current mask spec; needs for revision",
-      "syntax": "<mask-image> [ <'-webkit-mask-repeat'> || <'-webkit-mask-attachment'> || <'-webkit-mask-position'> || <'-webkit-mask-origin'> || <'-webkit-mask-clip'> ]*"
+      "syntax": "<mask-image> [ <'-webkit-mask-repeat'> || <'-webkit-mask-attachment'> || <'-webkit-mask-position'> || <'-webkit-mask-origin'> || <'-webkit-mask-clip'> ]*"
     },
@@ -130,3 +130,3 @@ "-webkit-mask-box-image": {
       "comment": "change type to <-webkit-mask-clip-style> since it differ from <mask-clip>, extra space between [ and ,",
-      "syntax": "&lt;-webkit-mask-clip-style&gt; [, &lt;-webkit-mask-clip-style&gt; ]*"
+      "syntax": "<-webkit-mask-clip-style> [, <-webkit-mask-clip-style> ]*"
     },
@@ -181,6 +181,2 @@ "-webkit-overflow-scrolling": {
     },
-    "content": {
-      "comment": "outdated syntax, used syntax from https://drafts.csswg.org/css-content/#typedef-content-list",
-      "syntax": "[ <image> ',' ]* [ normal | none | <content-list> ] [/ <string> ]?"
-    },
     "cue": {
@@ -201,3 +197,3 @@ "comment": "https://www.w3.org/TR/css3-speech/#property-index",
       "refenrences": ["https://www.sitepoint.com/css3-cursor-styles/"],
-      "syntax": "[ [ &lt;url&gt; [ &lt;x&gt; &lt;y&gt; ]? , ]* [ auto | default | none | context-menu | help | pointer | progress | wait | cell | crosshair | text | vertical-text | alias | copy | move | no-drop | not-allowed | e-resize | n-resize | ne-resize | nw-resize | s-resize | se-resize | sw-resize | w-resize | ew-resize | ns-resize | nesw-resize | nwse-resize | col-resize | row-resize | all-scroll | zoom-in | zoom-out | grab | grabbing | hand | -webkit-grab | -webkit-grabbing | -webkit-zoom-in | -webkit-zoom-out | -moz-grab | -moz-grabbing | -moz-zoom-in | -moz-zoom-out ] ]"
+      "syntax": "[ [ <url> [ <x> <y> ]? , ]* [ auto | default | none | context-menu | help | pointer | progress | wait | cell | crosshair | text | vertical-text | alias | copy | move | no-drop | not-allowed | e-resize | n-resize | ne-resize | nw-resize | s-resize | se-resize | sw-resize | w-resize | ew-resize | ns-resize | nesw-resize | nwse-resize | col-resize | row-resize | all-scroll | zoom-in | zoom-out | grab | grabbing | hand | -webkit-grab | -webkit-grabbing | -webkit-zoom-in | -webkit-zoom-out | -moz-grab | -moz-grabbing | -moz-zoom-in | -moz-zoom-out ] ]"
     },
@@ -208,2 +204,6 @@ "display": {
     },
+    "position": {
+      "comment": "extended with -webkit-sticky",
+      "syntax": "static | relative | absolute | sticky | fixed | -webkit-sticky"
+    },
     "dominant-baseline": {
@@ -247,7 +247,7 @@ "comment": "added SVG property",
       "comment": "extend with IE legacy syntaxes",
-      "syntax": "none | &lt;filter-function-list&gt; | <-ms-filter>"
+      "syntax": "none | <filter-function-list> | <-ms-filter>"
     },
     "font": {
       "comment": "extend with non-standart fonts",
-      "syntax": "[ [ &lt;'font-style'&gt; || &lt;font-variant-css21&gt; || &lt;'font-weight'&gt; || &lt;'font-stretch'&gt; ]? &lt;'font-size'&gt; [ / &lt;'line-height'&gt; ]? &lt;'font-family'&gt; ] | caption | icon | menu | message-box | small-caption | status-bar | <-non-standart-font>"
+      "syntax": "[ [ <'font-style'> || <font-variant-css21> || <'font-weight'> || <'font-stretch'> ]? <'font-size'> [ / <'line-height'> ]? <'font-family'> ] | caption | icon | menu | message-box | small-caption | status-bar | <-non-standart-font>"
     },
@@ -280,3 +280,3 @@ "glyph-orientation-horizontal": {
       ],
-      "syntax": "normal | &lt;length-percentage&gt;"
+      "syntax": "normal | <length-percentage>"
     },
@@ -313,8 +313,15 @@ "marker": {
       "comment": "extend by non-standart width keywords https://developer.mozilla.org/en-US/docs/Web/CSS/max-width",
-      "syntax": "&lt;length&gt; | &lt;percentage&gt; | none | max-content | min-content | fit-content | fill-available | <-non-standart-width>"
+      "syntax": "<length> | <percentage> | none | max-content | min-content | fit-content | fill-available | <-non-standart-width>"
     },
     "min-width": {
       "comment": "extend by non-standart width keywords https://developer.mozilla.org/en-US/docs/Web/CSS/width",
-      "syntax": "&lt;length&gt; | &lt;percentage&gt; | auto | max-content | min-content | fit-content | fill-available | <-non-standart-width>"
+      "syntax": "<length> | <percentage> | auto | max-content | min-content | fit-content | fill-available | <-non-standart-width>"
     },
+    "offset-position": {
+      "comment": "missed",
+      "references": [
+        "https://drafts.fxtf.org/motion-1/#offset-position-property"
+      ],
+      "syntax": "auto | <position>"
+    },
     "opacity": {
@@ -432,3 +439,3 @@ "comment": "strict to 0..1 <number> -> <number-zero-one>",
       "comment": "move first group to the end since less collecting",
-      "syntax": "[ [ &lt;length-percentage&gt; | left | center | right ] &amp;&amp; [ &lt;length-percentage&gt; | top | center | bottom ] ] &lt;length&gt;? | [ &lt;length-percentage&gt; | left | center | right | top | bottom ]"
+      "syntax": "[ [ <length-percentage> | left | center | right ] && [ <length-percentage> | top | center | bottom ] ] <length>? | [ <length-percentage> | left | center | right | top | bottom ]"
     },
@@ -503,3 +510,3 @@ "unicode-bidi": {
       "comment": "like standart syntax but w/o `to` keyword https://developer.mozilla.org/en-US/docs/Web/CSS/linear-gradient",
-      "syntax": "[ &lt;angle&gt; | &lt;side-or-corner&gt; ]? , &lt;color-stop-list&gt;"
+      "syntax": "[ <angle> | <side-or-corner> ]? , <color-stop-list>"
     },
@@ -592,2 +599,6 @@ "-legacy-radial-gradient()": {
     },
+    "alpha-value": {
+      "comment": "wrong comma after <number>",
+      "syntax": "<number> | <percentage>"
+    },
     "attr()": {
@@ -615,3 +626,3 @@ "comment": "drop it since it's a generic",
       "comment": "changed <border-radius> to <'border-radius'>",
-      "syntax": "inset( &lt;length-percentage&gt;{1,4} [ round &lt;'border-radius'&gt; ]? )"
+      "syntax": "inset( <length-percentage>{1,4} [ round <'border-radius'> ]? )"
     },
@@ -635,3 +646,3 @@ "generic-voice": {
       "comment": "added -webkit-gradient() since may to be used for legacy support",
-      "syntax": "<-legacy-gradient()> | &lt;linear-gradient()&gt; | &lt;repeating-linear-gradient()&gt; | &lt;radial-gradient()&gt; | &lt;repeating-radial-gradient()&gt;"
+      "syntax": "<-legacy-gradient()> | <linear-gradient()> | <repeating-linear-gradient()> | <radial-gradient()> | <repeating-radial-gradient()>"
     },
@@ -648,7 +659,7 @@ "left": {
       "comment": "redundant max",
-      "syntax": "matrix( &lt;number&gt; [, &lt;number&gt; ]{5} )"
+      "syntax": "matrix( <number> [, <number> ]{5} )"
     },
     "matrix3d()": {
       "comment": "redundant max",
-      "syntax": "matrix3d( &lt;number&gt; [, &lt;number&gt; ]{15} )"
+      "syntax": "matrix3d( <number> [, <number> ]{15} )"
     },
@@ -677,3 +688,3 @@ "name-repeat": {
       "comment": "rewrite syntax (TODO: make match work with original syntax)",
-      "syntax": "[ center && [ left | right | top | bottom ] &lt;length-percentage&gt;? ] | [ [ left | right ] &lt;length-percentage&gt;? ] && [ [ top | bottom ] &lt;length-percentage&gt;? ] | [ [ left | center | right | &lt;length-percentage&gt; ] || [ top | center | bottom | &lt;length-percentage&gt; ] ]"
+      "syntax": "[ center && [ left | right | top | bottom ] <length-percentage>? ] | [ [ left | right ] <length-percentage>? ] && [ [ top | bottom ] <length-percentage>? ] | [ [ left | center | right | <length-percentage> ] || [ top | center | bottom | <length-percentage> ] ]"
     },
@@ -690,3 +701,3 @@ "right": {
       "comment": "moved <single-transition-timing-function> in the beginning to avoid wrong match to <single-transition-property>",
-      "syntax": "&lt;single-transition-timing-function&gt; || [ none | &lt;single-transition-property&gt; ] || &lt;time&gt; || &lt;time&gt;"
+      "syntax": "<single-transition-timing-function> || [ none | <single-transition-property> ] || <time> || <time>"
     },
@@ -712,6 +723,2 @@ "svg-length": {
     },
-    "quote": {
-      "comment": "missed -> https://drafts.csswg.org/css-content/#typedef-quote",
-      "syntax": "open-quote | close-quote | no-open-quote | no-close-quote"
-    },
     "x": {
@@ -765,3 +772,3 @@ "comment": "missed; not sure we should add it, but no others except `cursor` is using it so it's ok for now; https://drafts.csswg.org/css-ui-3/#cursor",
       "syntax": null
-    },    
+    },
     "mf-plain": {
@@ -819,2 +826,6 @@ "comment": "syntax is incorrect and can't be parsed, drop for now",
     },
+    "nth": {
+      "comment": "syntax has <an-plus-b> that doesn't support currently, drop for now",
+      "syntax": null
+    },
     "page-selector": {
@@ -821,0 +832,0 @@ "comment": "syntax is incorrect and can't be parsed, drop for now",

dist/default-syntax.json

@@ -1,1 +0,1 @@
-{"generic":true,"types":{"absolute-size":"xx-small | x-small | small | medium | large | x-large | xx-large","alpha-value":"<number>","angle-percentage":"<angle> | <percentage>","animateable-feature":"scroll-position | contents | <custom-ident>","attachment":"scroll | fixed | local","auto-repeat":"repeat( [ auto-fill | auto-fit ] , [ <line-names>? <fixed-size> ]+ <line-names>? )","auto-track-list":"[ <line-names>? [ <fixed-size> | <fixed-repeat> ] ]* <line-names>? <auto-repeat> [ <line-names>? [ <fixed-size> | <fixed-repeat> ] ]* <line-names>?","basic-shape":"<inset()> | <circle()> | <ellipse()> | <polygon()>","bg-image":"none | <image>","bg-layer":"<bg-image> || <position> [ / <bg-size> ]? || <repeat-style> || <attachment> || <box>{1,2}","bg-size":"[ <length-percentage> | auto ]{1,2} | cover | contain","blur()":"blur( <length> )","blend-mode":"normal | multiply | screen | overlay | darken | lighten | color-dodge | color-burn | hard-light | soft-light | difference | exclusion | hue | saturation | color | luminosity","box":"border-box | padding-box | content-box","br-style":"none | hidden | dotted | dashed | solid | double | groove | ridge | inset | outset","br-width":"<length> | thin | medium | thick","brightness()":"brightness( <number-percentage> )","calc()":"calc( <calc-sum> )","calc-sum":"<calc-product> [ [ '+' | '-' ] <calc-product> ]*","calc-product":"<calc-value> [ '*' <calc-value> | '/' <number> ]*","calc-value":"<number> | <dimension> | <percentage> | ( <calc-sum> )","cf-final-image":"<image> | <color>","cf-mixing-image":"<percentage>? && <image>","circle()":"circle( [ <shape-radius> ]? [ at <position> ]? )","clip-source":"<url>","color":"<rgb()> | <rgba()> | <hsl()> | <hsla()> | <hex-color> | <named-color> | currentcolor | <deprecated-system-color>","color-stop":"<color> <length-percentage>?","color-stop-list":"<color-stop>#{2,}","common-lig-values":"[ common-ligatures | no-common-ligatures ]","composite-style":"clear | copy | source-over | source-in | source-out | source-atop | destination-over | destination-in | destination-out | destination-atop | xor","compositing-operator":"add | subtract | intersect | exclude","contextual-alt-values":"[ contextual | no-contextual ]","contrast()":"contrast( [ <number-percentage> ] )","counter-style":"<counter-style-name> | symbols()","counter-style-name":"<custom-ident>","cross-fade()":"cross-fade( <cf-mixing-image> , <cf-final-image>? )","deprecated-system-color":"ActiveBorder | ActiveCaption | AppWorkspace | Background | ButtonFace | ButtonHighlight | ButtonShadow | ButtonText | CaptionText | GrayText | Highlight | HighlightText | InactiveBorder | InactiveCaption | InactiveCaptionText | InfoBackground | InfoText | Menu | MenuText | Scrollbar | ThreeDDarkShadow | ThreeDFace | ThreeDHighlight | ThreeDLightShadow | ThreeDShadow | Window | WindowFrame | WindowText","discretionary-lig-values":"[ discretionary-ligatures | no-discretionary-ligatures ]","drop-shadow()":"drop-shadow( <length>{2,3} <color>? )","east-asian-variant-values":"[ jis78 | jis83 | jis90 | jis04 | simplified | traditional ]","east-asian-width-values":"[ full-width | proportional-width ]","element()":"element( <id-selector> )","ellipse()":"ellipse( [ <shape-radius>{2} ]? [ at <position> ]? )","ending-shape":"circle | ellipse","explicit-track-list":"[ <line-names>? <track-size> ]+ <line-names>?","family-name":"<string> | <custom-ident>+","feature-tag-value":"<string> [ <integer> | on | off ]?","feature-value-name":"<custom-ident>","fill-rule":"nonzero | evenodd","filter-function":"<blur()> | <brightness()> | <contrast()> | <drop-shadow()> | <grayscale()> | <hue-rotate()> | <invert()> | <opacity()> | <sepia()> | <saturate()>","filter-function-list":"[ <filter-function> | <url> ]+","final-bg-layer":"<bg-image> || <position> [ / <bg-size> ]? || <repeat-style> || <attachment> || <box> || <box> || <'background-color'>","fit-content()":"fit-content( [ <length> | <percentage> ] )","fixed-breadth":"<length-percentage>","fixed-repeat":"repeat( [ <positive-integer> ] , [ <line-names>? <fixed-size> ]+ <line-names>? )","fixed-size":"<fixed-breadth> | minmax( <fixed-breadth> , <track-breadth> ) | minmax( <inflexible-breadth> , <fixed-breadth> )","font-variant-css21":"[ normal | small-caps ]","frequency-percentage":"<frequency> | <percentage>","generic-family":"serif | sans-serif | cursive | fantasy | monospace | -apple-system","generic-name":"serif | sans-serif | cursive | fantasy | monospace","geometry-box":"<shape-box> | fill-box | stroke-box | view-box","gradient":"<-legacy-gradient()> | <linear-gradient()> | <repeating-linear-gradient()> | <radial-gradient()> | <repeating-radial-gradient()>","grayscale()":"grayscale( <number-percentage> )","grid-line":"auto | <custom-ident> | [ <integer> && <custom-ident>? ] | [ span && [ <integer> || <custom-ident> ] ]","historical-lig-values":"[ historical-ligatures | no-historical-ligatures ]","hsl()":"hsl( <hue> , <percentage> , <percentage> )","hsla()":"hsla( <hue> , <percentage> , <percentage> , <alpha-value> )","hue":"<number>","hue-rotate()":"hue-rotate( <angle> )","image":"<url> | <image()> | <image-set()> | <element()> | <cross-fade()> | <gradient>","image()":"image( [ [ <image> | <string> ]? , <color>? ]! )","image-set()":"image-set( <image-set-option># )","image-set-option":"[ <image> | <string> ] <resolution>","inflexible-breadth":"<length> | <percentage> | min-content | max-content | auto","inset()":"inset( <length-percentage>{1,4} [ round <'border-radius'> ]? )","invert()":"invert( <number-percentage> )","keyframes-name":"<custom-ident> | <string>","keyframe-selector":"from | to | <percentage>","length-percentage":"<length> | <percentage>","line-names":"'[' <custom-ident>* ']'","line-name-list":"[ <line-names> | <name-repeat> ]+","linear-gradient()":"linear-gradient( [ <angle> | to <side-or-corner> ]? , <color-stop-list> )","mask-layer":"<mask-reference> <masking-mode>? || <position> [ / <bg-size> ]? || <repeat-style> || <geometry-box> || [ <geometry-box> | no-clip ] || <compositing-operator>","mask-position":"[ <length-percentage> | left | center | right ] [ <length-percentage> | top | center | bottom ]?","mask-reference":"none | <image> | <mask-source>","mask-source":"<url>","masking-mode":"alpha | luminance | match-source","matrix()":"matrix( <number> [, <number> ]{5} )","matrix3d()":"matrix3d( <number> [, <number> ]{15} )","media-type":"<ident>","mf-boolean":"<mf-name>","mf-name":"<ident>","named-color":"transparent | aliceblue | antiquewhite | aqua | aquamarine | azure | beige | bisque | black | blanchedalmond | blue | blueviolet | brown | burlywood | cadetblue | chartreuse | chocolate | coral | cornflowerblue | cornsilk | crimson | cyan | darkblue | darkcyan | darkgoldenrod | darkgray | darkgreen | darkgrey | darkkhaki | darkmagenta | darkolivegreen | darkorange | darkorchid | darkred | darksalmon | darkseagreen | darkslateblue | darkslategray | darkslategrey | darkturquoise | darkviolet | deeppink | deepskyblue | dimgray | dimgrey | dodgerblue | firebrick | floralwhite | forestgreen | fuchsia | gainsboro | ghostwhite | gold | goldenrod | gray | green | greenyellow | grey | honeydew | hotpink | indianred | indigo | ivory | khaki | lavender | lavenderblush | lawngreen | lemonchiffon | lightblue | lightcoral | lightcyan | lightgoldenrodyellow | lightgray | lightgreen | lightgrey | lightpink | lightsalmon | lightseagreen | lightskyblue | lightslategray | lightslategrey | lightsteelblue | lightyellow | lime | limegreen | linen | magenta | maroon | mediumaquamarine | mediumblue | mediumorchid | mediumpurple | mediumseagreen | mediumslateblue | mediumspringgreen | mediumturquoise | mediumvioletred | midnightblue | mintcream | mistyrose | moccasin | navajowhite | navy | oldlace | olive | olivedrab | orange | orangered | orchid | palegoldenrod | palegreen | paleturquoise | palevioletred | papayawhip | peachpuff | peru | pink | plum | powderblue | purple | rebeccapurple | red | rosybrown | royalblue | saddlebrown | salmon | sandybrown | seagreen | seashell | sienna | silver | skyblue | slateblue | slategray | slategrey | snow | springgreen | steelblue | tan | teal | thistle | tomato | turquoise | violet | wheat | white | whitesmoke | yellow | yellowgreen | <-non-standart-color>","namespace-prefix":"<ident>","number-percentage":"<number> | <percentage>","numeric-figure-values":"[ lining-nums | oldstyle-nums ]","numeric-fraction-values":"[ diagonal-fractions | stacked-fractions ]","numeric-spacing-values":"[ proportional-nums | tabular-nums ]","opacity()":"opacity( [ <number-percentage> ] )","perspective()":"perspective( <length> )","polygon()":"polygon( <fill-rule>? , [ <length-percentage> <length-percentage> ]# )","position":"[ center && [ left | right | top | bottom ] <length-percentage>? ] | [ [ left | right ] <length-percentage>? ] && [ [ top | bottom ] <length-percentage>? ] | [ [ left | center | right | <length-percentage> ] || [ top | center | bottom | <length-percentage> ] ]","radial-gradient()":"radial-gradient( [ <ending-shape> || <size> ]? [ at <position> ]? , <color-stop-list> )","relative-size":"larger | smaller","repeat-style":"repeat-x | repeat-y | [ repeat | space | round | no-repeat ]{1,2}","repeating-linear-gradient()":"repeating-linear-gradient( [ <angle> | to <side-or-corner> ]? , <color-stop-list> )","repeating-radial-gradient()":"repeating-radial-gradient( [ <ending-shape> || <size> ]? [ at <position> ]? , <color-stop-list> )","rgb()":"rgb( <rgb-component>#{3} )","rgb-component":"<integer> | <percentage>","rgba()":"rgba( <rgb-component>#{3} , <alpha-value> )","rotate()":"rotate( <angle> )","rotate3d()":"rotate3d( <number> , <number> , <number> , <angle> )","rotateX()":"rotateX( <angle> )","rotateY()":"rotateY( <angle> )","rotateZ()":"rotateZ( <angle> )","saturate()":"saturate( <number-percentage> )","scale()":"scale( <number> [, <number> ]? )","scale3d()":"scale3d( <number> , <number> , <number> )","scaleX()":"scaleX( <number> )","scaleY()":"scaleY( <number> )","scaleZ()":"scaleZ( <number> )","shape-radius":"<length-percentage> | closest-side | farthest-side","skew()":"skew( <angle> [, <angle> ]? )","skewX()":"skewX( <angle> )","skewY()":"skewY( <angle> )","sepia()":"sepia( <number-percentage> )","shadow":"inset? && <length>{2,4} && <color>?","shadow-t":"[ <length>{2,3} && <color>? ]","shape":"rect( [ [ <top> , <right> , <bottom> , <left> ] | [ <top> <right> <bottom> <left> ] ] )","shape-box":"<box> | margin-box","side-or-corner":"[ left | right ] || [ top | bottom ]","single-animation":"<time> || <single-timing-function> || <time> || <single-animation-iteration-count> || <single-animation-direction> || <single-animation-fill-mode> || <single-animation-play-state> || [ none | <keyframes-name> ]","single-animation-direction":"normal | reverse | alternate | alternate-reverse","single-animation-fill-mode":"none | forwards | backwards | both","single-animation-iteration-count":"infinite | <number>","single-animation-play-state":"running | paused","single-timing-function":"<single-transition-timing-function>","single-transition":"<single-transition-timing-function> || [ none | <single-transition-property> ] || <time> || <time>","single-transition-timing-function":"ease | linear | ease-in | ease-out | ease-in-out | step-start | step-end | steps( <integer> [, [ start | end ] ]? ) | cubic-bezier( <number> , <number> , <number> , <number> )","single-transition-property":"all | <custom-ident>","size":"closest-side | farthest-side | closest-corner | farthest-corner | <length> | <length-percentage>{2}","symbol":"<string> | <image> | <ident>","time-percentage":"<time> | <percentage>","track-breadth":"<length-percentage> | <flex> | min-content | max-content | auto","track-list":"[ <line-names>? [ <track-size> | <track-repeat> ] ]+ <line-names>?","track-repeat":"repeat( [ <positive-integer> ] , [ <line-names>? <track-size> ]+ <line-names>? )","track-size":"<track-breadth> | minmax( <inflexible-breadth> , <track-breadth> ) | fit-content( [ <length> | <percentage> ] )","transform-function":"[ <matrix()> || <translate()> || <translateX()> || <translateY()> || <scale()> || <scaleX()> || <scaleY()> || <rotate()> || <skew()> || <skewX()> || <skewY()> || <matrix3d()> || <translate3d()> || <translateZ()> || <scale3d()> || <scaleZ()> || <rotate3d()> || <rotateX()> || <rotateY()> || <rotateZ()> || <perspective()> ]+","transform-list":"<transform-function>+","translate()":"translate( <length-percentage> [, <length-percentage> ]? )","translate3d()":"translate3d( <length-percentage> , <length-percentage> , <length> )","translateX()":"translateX( <length-percentage> )","translateY()":"translateY( <length-percentage> )","translateZ()":"translateZ( <length> )","type-or-unit":"string | integer | color | url | integer | number | length | angle | time | frequency | em | ex | px | rem | vw | vh | vmin | vmax | mm | q | cm | in | pt | pc | deg | grad | rad | ms | s | Hz | kHz | %","viewport-length":"auto | <length-percentage>","-legacy-gradient()":"<-webkit-gradient()> | <-legacy-linear-gradient()> | <-legacy-repeating-linear-gradient()> | <-legacy-radial-gradient()> | <-legacy-repeating-radial-gradient()>","-legacy-linear-gradient()":"-moz-linear-gradient( <-legacy-linear-gradient-arguments> ) | -ms-linear-gradient( <-legacy-linear-gradient-arguments> ) | -webkit-linear-gradient( <-legacy-linear-gradient-arguments> ) | -o-linear-gradient( <-legacy-linear-gradient-arguments> )","-legacy-repeating-linear-gradient()":"-moz-repeating-linear-gradient( <-legacy-linear-gradient-arguments> ) | -ms-repeating-linear-gradient( <-legacy-linear-gradient-arguments> ) | -webkit-repeating-linear-gradient( <-legacy-linear-gradient-arguments> ) | -o-repeating-linear-gradient( <-legacy-linear-gradient-arguments> )","-legacy-linear-gradient-arguments":"[ <angle> | <side-or-corner> ]? , <color-stop-list>","-legacy-radial-gradient()":"-moz-radial-gradient( <-legacy-radial-gradient-arguments> ) | -ms-radial-gradient( <-legacy-radial-gradient-arguments> ) | -webkit-radial-gradient( <-legacy-radial-gradient-arguments> ) | -o-radial-gradient( <-legacy-radial-gradient-arguments> )","-legacy-repeating-radial-gradient()":"-moz-repeating-radial-gradient( <-legacy-radial-gradient-arguments> ) | -ms-repeating-radial-gradient( <-legacy-radial-gradient-arguments> ) | -webkit-repeating-radial-gradient( <-legacy-radial-gradient-arguments> ) | -o-repeating-radial-gradient( <-legacy-radial-gradient-arguments> )","-legacy-radial-gradient-arguments":"[ <position> , ]? [ [ [ <-legacy-radial-gradient-shape> || <-legacy-radial-gradient-size> ] | [ <length> | <percentage> ]{2} ] , ]? <color-stop-list>","-legacy-radial-gradient-size":"closest-side | closest-corner | farthest-side | farthest-corner | contain | cover","-legacy-radial-gradient-shape":"circle | ellipse","-non-standart-font":"-apple-system-body | -apple-system-headline | -apple-system-subheadline | -apple-system-caption1 | -apple-system-caption2 | -apple-system-footnote | -apple-system-short-body | -apple-system-short-headline | -apple-system-short-subheadline | -apple-system-short-caption1 | -apple-system-short-footnote | -apple-system-tall-body","-non-standart-color":"-moz-ButtonDefault | -moz-ButtonHoverFace | -moz-ButtonHoverText | -moz-CellHighlight | -moz-CellHighlightText | -moz-Combobox | -moz-ComboboxText | -moz-Dialog | -moz-DialogText | -moz-dragtargetzone | -moz-EvenTreeRow | -moz-Field | -moz-FieldText | -moz-html-CellHighlight | -moz-html-CellHighlightText | -moz-mac-accentdarkestshadow | -moz-mac-accentdarkshadow | -moz-mac-accentface | -moz-mac-accentlightesthighlight | -moz-mac-accentlightshadow | -moz-mac-accentregularhighlight | -moz-mac-accentregularshadow | -moz-mac-chrome-active | -moz-mac-chrome-inactive | -moz-mac-focusring | -moz-mac-menuselect | -moz-mac-menushadow | -moz-mac-menutextselect | -moz-MenuHover | -moz-MenuHoverText | -moz-MenuBarText | -moz-MenuBarHoverText | -moz-nativehyperlinktext | -moz-OddTreeRow | -moz-win-communicationstext | -moz-win-mediatext | -moz-activehyperlinktext | -moz-default-background-color | -moz-default-color | -moz-hyperlinktext | -moz-visitedhyperlinktext | -webkit-activelink | -webkit-focus-ring-color | -webkit-link | -webkit-text","-non-standart-image-rendering":"optimize-contrast | -moz-crisp-edges | -o-crisp-edges | -webkit-optimize-contrast","-non-standart-width":"min-intrinsic | intrinsic | -moz-min-content | -moz-max-content | -webkit-min-content | -webkit-max-content","-non-standart-word-break":"break-word","-webkit-image-set()":"<image-set()>","-webkit-gradient()":"-webkit-gradient( <-webkit-gradient-type> , <-webkit-gradient-point> [ , <-webkit-gradient-point> | , <-webkit-gradient-radius> , <-webkit-gradient-point> ] [, <-webkit-gradient-radius> ]? [, <-webkit-gradient-color-stop()> ]* )","-webkit-gradient-color-stop()":"from( <color> ) | color-stop( [ <number-zero-one> | <percentage> ] , <color> ) | to( <color> )","-webkit-gradient-point":"[ left | center | right | <length-percentage> ] [ top | center | bottom | <length-percentage> ]","-webkit-gradient-radius":"<length> | <percentage>","-webkit-gradient-type":"linear | radial","-webkit-mask-box-repeat":"repeat | stretch | round","-webkit-mask-clip-style":"border | border-box | padding | padding-box | content | content-box | text","-ms-filter":"[ <progid> | FlipH | FlipV ]+","age":"child | young | old","border-radius":"<length-percentage>{1,2}","bottom":"<length> | auto","content-list":"[ <string> | contents | <url> | <quote> | <attr()> | counter( <ident> , <'list-style-type'>? ) ]+","generic-voice":"[ <age>? <gender> <integer>? ]","gender":"male | female | neutral","left":"<length> | auto","mask-image":"<mask-reference>#","name-repeat":"repeat( [ <positive-integer> | auto-fill ] , <line-names>+ )","outline-radius":"<border-radius>","paint":"none | currentColor | <color> | <url> [ none | currentColor | <color> ]?","path()":"path( <string> )","right":"<length> | auto","svg-length":"<percentage> | <length> | <number>","svg-writing-mode":"lr-tb | rl-tb | tb-rl | lr | rl | tb","top":"<length> | auto","quote":"open-quote | close-quote | no-open-quote | no-close-quote","x":"<number>","y":"<number>"},"properties":{"-ms-overflow-style":"auto | none | scrollbar | -ms-autohiding-scrollbar","-moz-appearance":"none | button | button-arrow-down | button-arrow-next | button-arrow-previous | button-arrow-up | button-bevel | button-focus | caret | checkbox | checkbox-container | checkbox-label | checkmenuitem | dualbutton | groupbox | listbox | listitem | menuarrow | menubar | menucheckbox | menuimage | menuitem | menuitemtext | menulist | menulist-button | menulist-text | menulist-textfield | menupopup | menuradio | menuseparator | meterbar | meterchunk | progressbar | progressbar-vertical | progresschunk | progresschunk-vertical | radio | radio-container | radio-label | radiomenuitem | range | range-thumb | resizer | resizerpanel | scale-horizontal | scalethumbend | scalethumb-horizontal | scalethumbstart | scalethumbtick | scalethumb-vertical | scale-vertical | scrollbarbutton-down | scrollbarbutton-left | scrollbarbutton-right | scrollbarbutton-up | scrollbarthumb-horizontal | scrollbarthumb-vertical | scrollbartrack-horizontal | scrollbartrack-vertical | searchfield | separator | sheet | spinner | spinner-downbutton | spinner-textfield | spinner-upbutton | splitter | statusbar | statusbarpanel | tab | tabpanel | tabpanels | tab-scroll-arrow-back | tab-scroll-arrow-forward | textfield | textfield-multiline | toolbar | toolbarbutton | toolbarbutton-dropdown | toolbargripper | toolbox | tooltip | treeheader | treeheadercell | treeheadersortarrow | treeitem | treeline | treetwisty | treetwistyopen | treeview | -moz-mac-unified-toolbar | -moz-win-borderless-glass | -moz-win-browsertabbar-toolbox | -moz-win-communicationstext | -moz-win-communications-toolbox | -moz-win-exclude-glass | -moz-win-glass | -moz-win-mediatext | -moz-win-media-toolbox | -moz-window-button-box | -moz-window-button-box-maximized | -moz-window-button-close | -moz-window-button-maximize | -moz-window-button-minimize | -moz-window-button-restore | -moz-window-frame-bottom | -moz-window-frame-left | -moz-window-frame-right | -moz-window-titlebar | -moz-window-titlebar-maximized","-moz-binding":"<url> | none","-moz-border-bottom-colors":"[ <color> ]* <color> | none","-moz-border-left-colors":"[ <color> ]* <color> | none","-moz-border-right-colors":"[ <color> ]* <color> | none","-moz-border-top-colors":"[ <color> ]* <color> | none","-moz-float-edge":"border-box | content-box | margin-box | padding-box","-moz-force-broken-image-icon":"<integer>","-moz-image-region":"<shape>","-moz-orient":"inline | block | horizontal | vertical","-moz-outline-radius":"<outline-radius>{1,4} [ / <outline-radius>{1,4} ]?","-moz-outline-radius-bottomleft":"<outline-radius>","-moz-outline-radius-bottomright":"<outline-radius>","-moz-outline-radius-topleft":"<outline-radius>","-moz-outline-radius-topright":"<outline-radius>","-moz-stack-sizing":"ignore | stretch-to-fit","-moz-text-blink":"none | blink","-moz-user-focus":"ignore | normal | select-after | select-before | select-menu | select-same | select-all | none","-moz-user-input":"none | enabled | disabled","-moz-user-modify":"read-only | read-write | write-only","-moz-window-shadow":"default | menu | tooltip | sheet | none","-webkit-border-before":"<'border-width'> || <'border-style'> || <'color'>","-webkit-border-before-color":"<'color'>","-webkit-border-before-style":"<'border-style'>","-webkit-border-before-width":"<'border-width'>","-webkit-box-reflect":"[ above | below | right | left ]? <length>? <image>?","-webkit-mask":"<mask-image> [ <'-webkit-mask-repeat'> || <'-webkit-mask-attachment'> || <'-webkit-mask-position'> || <'-webkit-mask-origin'> || <'-webkit-mask-clip'> ]*","-webkit-mask-attachment":"<attachment> [, <attachment> ]*","-webkit-mask-clip":"<-webkit-mask-clip-style> [, <-webkit-mask-clip-style> ]*","-webkit-mask-composite":"<composite-style> [, <composite-style> ]*","-webkit-mask-image":"<mask-image> [, <mask-image> ]*","-webkit-mask-origin":"[ padding | border | content ] [, [ border | padding | content ] ]*","-webkit-mask-position":"<mask-position>#","-webkit-mask-position-x":"[ <length-percentage> | left | center | right ]#","-webkit-mask-position-y":"[ <length-percentage> | top | center | bottom ]#","-webkit-mask-repeat":"<repeat-style> [, <repeat-style> ]*","-webkit-mask-repeat-x":"repeat | no-repeat | space | round","-webkit-mask-repeat-y":"repeat | no-repeat | space | round","-webkit-tap-highlight-color":"<color>","-webkit-text-fill-color":"<color>","-webkit-text-stroke":"<length> 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[ <'offset-path'> [ <'offset-distance'> || <'offset-rotate'> ]? ]? ]! [ / <'offset-anchor'> ]?","offset-anchor":"auto | <position>","offset-block-end":"<'left'>","offset-block-start":"<'left'>","offset-inline-end":"<'left'>","offset-inline-start":"<'left'>","offset-distance":"<length-percentage>","offset-path":"none | ray( [ <angle> && <size>? && contain? ] ) | <path()> | <url> | [ <basic-shape> || <geometry-box> ]","offset-rotate":"[ auto | reverse ] || <angle>","opacity":"<number-zero-one>","order":"<integer>","orphans":"<integer>","outline":"[ <'outline-color'> || <'outline-style'> || <'outline-width'> ]","outline-color":"<color> | invert","outline-offset":"<length>","outline-style":"auto | <br-style>","outline-width":"<br-width>","overflow":"visible | hidden | scroll | auto","overflow-clip-box":"padding-box | content-box","overflow-wrap":"normal | break-word","overflow-x":"visible | hidden | scroll | auto","overflow-y":"visible | hidden | scroll | auto","padding":"[ <length> | <percentage> ]{1,4}","padding-block-end":"<'padding-left'>","padding-block-start":"<'padding-left'>","padding-bottom":"<length> | <percentage>","padding-inline-end":"<'padding-left'>","padding-inline-start":"<'padding-left'>","padding-left":"<length> | <percentage>","padding-right":"<length> | <percentage>","padding-top":"<length> | <percentage>","page-break-after":"auto | always | avoid | left | right","page-break-before":"auto | always | avoid | left | right","page-break-inside":"auto | avoid","perspective":"none | <length>","perspective-origin":"<position>","pointer-events":"auto | none | visiblePainted | visibleFill | visibleStroke | visible | painted | fill | stroke | all | inherit","position":"static | relative | absolute | sticky | fixed | -webkit-sticky","quotes":"[ <string> <string> ]+ | none","resize":"none | both | horizontal | vertical","right":"<length> | <percentage> | auto","ruby-align":"start | center | space-between | space-around","ruby-merge":"separate | collapse | auto","ruby-position":"over | under | inter-character","scroll-behavior":"auto | smooth","scroll-snap-coordinate":"none | <position>#","scroll-snap-destination":"<position>","scroll-snap-points-x":"none | repeat( <length-percentage> )","scroll-snap-points-y":"none | repeat( <length-percentage> )","scroll-snap-type":"none | mandatory | proximity","scroll-snap-type-x":"none | mandatory | proximity","scroll-snap-type-y":"none | mandatory | proximity","shape-image-threshold":"<number>","shape-margin":"<length-percentage>","shape-outside":"none | <shape-box> || <basic-shape> | <image>","tab-size":"<integer> | <length>","table-layout":"auto | fixed","text-align":"start | end | left | right | center | justify | match-parent","text-align-last":"auto | start | end | left | right | center | justify","text-combine-upright":"none | all | [ digits <integer>? ]","text-decoration":"<'text-decoration-line'> || <'text-decoration-style'> || <'text-decoration-color'>","text-decoration-color":"<color>","text-decoration-line":"none | [ underline || overline || line-through || blink ]","text-decoration-skip":"none | [ objects || spaces || ink || edges || box-decoration ]","text-decoration-style":"solid | double | dotted | dashed | wavy","text-emphasis":"<'text-emphasis-style'> || <'text-emphasis-color'>","text-emphasis-color":"<color>","text-emphasis-position":"[ over | under ] && [ right | left ]","text-emphasis-style":"none | [ [ filled | open ] || [ dot | circle | double-circle | triangle | sesame ] ] | <string>","text-indent":"<length-percentage> && hanging? && each-line?","text-orientation":"mixed | upright | sideways","text-overflow":"[ clip | ellipsis | <string> ]{1,2}","text-rendering":"auto | optimizeSpeed | optimizeLegibility | geometricPrecision","text-shadow":"none | <shadow-t>#","text-size-adjust":"none | auto | <percentage>","text-transform":"none | capitalize | uppercase | lowercase | full-width","text-underline-position":"auto | [ under || [ left | right ] ]","top":"<length> | <percentage> | auto","touch-action":"auto | none | [ [ pan-x | pan-left | pan-right ] || [ pan-y | pan-up | pan-down ] || pinch-zoom ] | manipulation","transform":"none | <transform-list>","transform-box":"border-box | fill-box | view-box","transform-origin":"[ [ <length-percentage> | left | center | right ] && [ <length-percentage> | top | center | bottom ] ] <length>? | [ <length-percentage> | left | center | right | top | bottom ]","transform-style":"flat | preserve-3d","transition":"<single-transition>#","transition-delay":"<time>#","transition-duration":"<time>#","transition-property":"none | <single-transition-property>#","transition-timing-function":"<single-transition-timing-function>#","unicode-bidi":"normal | embed | isolate | bidi-override | isolate-override | plaintext | -moz-isolate | -moz-isolate-override | -moz-plaintext | -webkit-isolate","user-select":"auto | text | none | contain | all","vertical-align":"baseline | sub | super | text-top | text-bottom | middle | top | bottom | <percentage> | <length>","visibility":"visible | hidden | collapse","white-space":"normal | pre | nowrap | pre-wrap | pre-line","widows":"<integer>","width":"[ <length> | <percentage> ] && [ border-box | content-box ]? | available | min-content | max-content | fit-content | auto","will-change":"auto | <animateable-feature>#","word-break":"normal | break-all | keep-all | <-non-standart-word-break>","word-spacing":"normal | <length-percentage>","word-wrap":"normal | break-word","writing-mode":"horizontal-tb | vertical-rl | vertical-lr | sideways-rl | sideways-lr | <svg-writing-mode>","z-index":"auto | <integer>","-moz-background-clip":"padding | border","-moz-border-radius-bottomleft":"<'border-bottom-left-radius'>","-moz-border-radius-bottomright":"<'border-bottom-right-radius'>","-moz-border-radius-topleft":"<'border-top-left-radius'>","-moz-border-radius-topright":"<'border-bottom-right-radius'>","-moz-osx-font-smoothing":"auto | unset | grayscale","-moz-user-select":"none | text | all | -moz-none","-ms-filter":"<string>","-ms-flex-align":"start | end | center | baseline | stretch","-ms-flex-item-align":"auto | start | end | center | baseline | stretch","-ms-flex-line-pack":"start | end | center | justify | distribute | stretch","-ms-flex-negative":"<'flex-shrink'>","-ms-flex-pack":"start | end | center | justify | distribute","-ms-flex-order":"<integer>","-ms-flex-positive":"<'flex-grow'>","-ms-flex-preferred-size":"<'flex-basis'>","-ms-interpolation-mode":"nearest-neighbor | bicubic","-ms-grid-column-align":"start | end | center | stretch","-ms-grid-row-align":"start | end | center | stretch","-ms-high-contrast-adjust":"auto | none","-ms-user-select":"none | element | text","-webkit-appearance":"none | button | button-bevel | caps-lock-indicator | caret | checkbox | default-button | listbox | listitem | media-fullscreen-button | media-mute-button | media-play-button | media-seek-back-button | media-seek-forward-button | media-slider | media-sliderthumb | menulist | menulist-button | menulist-text | menulist-textfield | push-button | radio | scrollbarbutton-down | scrollbarbutton-left | scrollbarbutton-right | scrollbarbutton-up | scrollbargripper-horizontal | scrollbargripper-vertical | scrollbarthumb-horizontal | scrollbarthumb-vertical | scrollbartrack-horizontal | scrollbartrack-vertical | searchfield | searchfield-cancel-button | searchfield-decoration | searchfield-results-button | searchfield-results-decoration | slider-horizontal | slider-vertical | sliderthumb-horizontal | sliderthumb-vertical | square-button | textarea | textfield","-webkit-background-clip":"[ <box> | border | padding | content | text ]#","-webkit-column-break-after":"always | auto | avoid","-webkit-column-break-before":"always | auto | avoid","-webkit-column-break-inside":"always | auto | avoid","-webkit-font-smoothing":"none | antialiased | subpixel-antialiased","-webkit-line-clamp":"<positive-integer>","-webkit-mask-box-image":"[ <url> | <gradient> | none ] [ <length-percentage>{4} <-webkit-mask-box-repeat>{2} ]?","-webkit-overflow-scrolling":"auto | touch","-webkit-print-color-adjust":"economy | exact","-webkit-text-security":"none | circle | disc | square","-webkit-user-drag":"none | element | auto","-webkit-user-select":"auto | none | text | all","alignment-baseline":"auto | baseline | before-edge | text-before-edge | middle | central | after-edge | text-after-edge | ideographic | alphabetic | hanging | mathematical","baseline-shift":"baseline | sub | super | <svg-length>","behavior":"<url>+","clip-rule":"nonzero | evenodd","cue":"<'cue-before'> <'cue-after'>?","cue-after":"<url> <decibel>? | none","cue-before":"<url> <decibel>? | none","dominant-baseline":"auto | use-script | no-change | reset-size | ideographic | alphabetic | hanging | mathematical | central | middle | text-after-edge | text-before-edge","fill":"<paint>","fill-opacity":"<number-zero-one>","fill-rule":"nonzero | evenodd","glyph-orientation-horizontal":"<angle>","glyph-orientation-vertical":"<angle>","kerning":"auto | <svg-length>","marker":"none | <url>","marker-end":"none | <url>","marker-mid":"none | <url>","marker-start":"none | <url>","offset-position":"auto | <position>","pause":"<'pause-before'> <'pause-after'>?","pause-after":"<time> | none | x-weak | weak | medium | strong | x-strong","pause-before":"<time> | none | x-weak | weak | medium | strong | x-strong","rest":"<'rest-before'> <'rest-after'>?","rest-after":"<time> | none | x-weak | weak | medium | strong | x-strong","rest-before":"<time> | none | x-weak | weak | medium | strong | x-strong","shape-rendering":"auto | optimizeSpeed | crispEdges | geometricPrecision","src":"[ <url> format( <string># )? | local( <family-name> ) ]#","speak":"auto | none | normal","speak-as":"normal | spell-out || digits || [ literal-punctuation | no-punctuation ]","stroke":"<paint>","stroke-dasharray":"none | [ <svg-length>+ ]#","stroke-dashoffset":"<svg-length>","stroke-linecap":"butt | round | square","stroke-linejoin":"miter | round | bevel","stroke-miterlimit":"<number-one-or-greater>","stroke-opacity":"<number-zero-one>","stroke-width":"<svg-length>","text-anchor":"start | middle | end","unicode-range":"<unicode-range>#","voice-balance":"<number> | left | center | right | leftwards | rightwards","voice-duration":"auto | <time>","voice-family":"[ [ <family-name> | <generic-voice> ] , ]* [ <family-name> | <generic-voice> ] | preserve","voice-pitch":"<frequency> && absolute | [ [ x-low | low | medium | high | x-high ] || [ <frequency> | <semitones> | <percentage> ] ]","voice-range":"<frequency> && absolute | [ [ x-low | low | medium | high | x-high ] || [ <frequency> | <semitones> | <percentage> ] ]","voice-rate":"[ normal | x-slow | slow | medium | fast | x-fast ] || <percentage>","voice-stress":"normal | strong | moderate | none | reduced","voice-volume":"silent | [ [ x-soft | soft | medium | loud | x-loud ] || <decibel> ]","zoom":"normal | reset | <number> | <percentage>"}}

docs/ast.md

@@ -21,2 +21,4 @@ # AST format
 - [Brackets](#brackets)
+- [CDC](#cdc)
+- [CDO](#cdo)
 - [ClassSelector](#classselector)
@@ -30,4 +32,4 @@ - [Combinator](#combinator)
 - [HexColor](#hexcolor)
+- [IdSelector](#idselector)
 - [Identifier](#identifier)
-- [IdSelector](#idselector)
 - [MediaFeature](#mediafeature)
@@ -58,3 +60,2 @@ - [MediaQuery](#mediaquery)
 
-
 ## AnPlusB
@@ -67,4 +68,4 @@
     "type": "AnPlusB",
-    "a": string | null,
-    "b": string | null
+    "a": String | null,
+    "b": String | null
 }
@@ -80,3 +81,4 @@ ```
     "type": "Atrule",
-    "expression": <AtruleExpression> | <MediaQuery> | <SelectorList> | <Raw> | null,
+    "name": String,
+    "expression": <AtruleExpression> | <MediaQueryList> | <SelectorList> | <Raw> | null,
     "block": <Block> | null
@@ -101,5 +103,5 @@ }
     "name": <Identifier>,
-    "operator": string | null,
+    "operator": String | null,
     "value": <String> | <Identifier> | null,
-    "flags": string | null
+    "flags": String | null
 }
@@ -126,2 +128,18 @@ ```
 
+## CDC
+
+```
+{
+    "type": "CDC"
+}
+```
+
+## CDO
+
+```
+{
+    "type": "CDO"
+}
+```
+
 ## ClassSelector
@@ -132,3 +150,3 @@
     "type": "ClassSelector",
-    "name": string
+    "name": String
 }
@@ -142,3 +160,3 @@ ```
     "type": "Combinator",
-    "name": string
+    "name": String
 }
@@ -152,3 +170,3 @@ ```
     "type": "Comment",
-    "value": string
+    "value": String
 }
@@ -162,4 +180,4 @@ ```
     "type": "Declaration",
-    "important": boolean,
-    "property": string,
+    "important": Boolean | String,
+    "property": String,
     "value": <Value> | <Raw>
@@ -183,4 +201,4 @@ }
     "type": "Dimension",
-    "value": string,
-    "unit": string
+    "value": String,
+    "unit": String
 }
@@ -194,3 +212,3 @@ ```
     "type": "Function",
-    "name": string,
+    "name": String,
     "children": List
@@ -205,21 +223,21 @@ }
     "type": "HexColor",
-    "value": string
+    "value": String
 }
 ```
 
-## Identifier
+## IdSelector
 
 ```
 {
-    "type": "Identifier",
-    "name": string
+    "type": "IdSelector",
+    "name": String
 }
 ```
 
-## IdSelector
+## Identifier
 
 ```
 {
-    "type": "IdSelector",
-    "name": string
+    "type": "Identifier",
+    "name": String
 }
@@ -233,4 +251,4 @@ ```
     "type": "MediaFeature",
-    "name": string,
-    "value": string | null
+    "name": String,
+    "value": <Identifier> | <Number> | <Dimension> | <Ratio> | null
 }
@@ -262,3 +280,3 @@ ```
     "type": "Nth",
-    "nth": <Nth> | <Identifier>
+    "nth": <AnPlusB> | <Identifier>,
     "selector": <SelectorList> | null
@@ -273,3 +291,3 @@ }
     "type": "Number",
-    "value": string
+    "value": String
 }
@@ -283,3 +301,3 @@ ```
     "type": "Operator",
-    "value": string
+    "value": String
 }
@@ -302,3 +320,3 @@ ```
     "type": "Percentage",
-    "value": string
+    "value": String
 }
@@ -312,3 +330,3 @@ ```
     "type": "PseudoClassSelector",
-    "name": string,
+    "name": String,
     "children": List | null
@@ -323,3 +341,3 @@ }
     "type": "PseudoElementSelector",
-    "name": string,
+    "name": String,
     "children": List | null
@@ -334,4 +352,4 @@ }
     "type": "Ratio",
-    "left": string,
-    "right": string
+    "left": String,
+    "right": String
 }
@@ -345,3 +363,3 @@ ```
     "type": "Raw",
-    "value": string
+    "value": String
 }
@@ -355,3 +373,3 @@ ```
     "type": "Rule",
-    "selector": <SelectorList>,
+    "selector": <SelectorList> | <Raw>,
     "block": <Block>
@@ -384,3 +402,3 @@ }
     "type": "String",
-    "value": string
+    "value": String
 }
@@ -403,3 +421,3 @@ ```
     "type": "TypeSelector",
-    "name": string
+    "name": String
 }
@@ -413,3 +431,3 @@ ```
     "type": "UnicodeRange",
-    "value": string
+    "value": String
 }
@@ -441,4 +459,4 @@ ```
     "type": "WhiteSpace",
-    "value": string
+    "value": String
 }
 ```

HISTORY.md

@@ -0,1 +1,42 @@
+## 1.0.0-alpha17 (March 13, 2017)
+
+- Implemented new concept of `syntax`
+    - Changed main `exports` to expose a default syntax
+    - Defined initial [CSS syntax](lib/syntax/default.js)
+    - Implemented `createSyntax()` method to create a new syntax from scratch
+    - Implemented `fork()` method to create a new syntax based on given via extension
+- Parser
+    - Implemented `mediaQueryList` and `mediaQuery` parsing contexts
+    - Implemented `CDO` and `CDC` node types
+    - Implemented additional declaration property prefix hacks (`#` and `+`)
+    - Added support for UTF-16LE BOM
+    - Added support for `@font-face` at-rule
+    - Added `chroma()` to legacy IE filter functions
+    - Improved `HexColor` to consume hex only
+    - Improved support for `\0` and `\9` hacks (#2)
+    - Relaxed number check for `Ratio` terms
+        - Allowed fractal values as a `Ratio` term
+        - Disallowed zero number as a `Ratio` term
+    - Changed important clause parsing
+        - Allowed any identifier for important (to support hacks like `!ie`)
+        - Store `true` for `important` field in case identifier equals to `important` and string otherwise
+    - Fixed parse error formatted message rendering to take into account tabs
+    - Removed exposing of `Parser` class
+    - Removed `readSelectorSequence()`, `readSequenceFallback()` and `readSelectorSequenceFallback` methods
+    - Used single universal sequence consumer for `AtruleExpression`, `Selector` and `Value`
+- Generator
+    - Reworked generator to use auto-generated functions based on syntax definition (additional work to be done in next releases)
+    - Implemented `translateMarkup(ast, before, after)` method for complex cases
+    - Reworked `translateWithSourceMap` to be more flexible (based on `translateMarkup`, additional work to be done in next releases)
+- Walker
+    - Reworked walker to use auto-generated function based on syntax definition (additional work to be done in next releases)
+- Lexer
+    - Prepared for better extensibility (additional work to be done in next releases)
+    - Implemented `checkStructure(ast)` method to check AST structure based on syntax definition
+    - Update syntax dictionaries to latest `mdn/data`
+        - Add missing `<'offset-position'>` syntax
+        - Extended `<position>` property with `-webkit-sticky` (@sergejmueller, #37)
+    - Improved mismatch error position
+- Implemented script (`gen:syntax`) to generate AST format reference page (`docs/ast.md`) using syntax definition
+
 ## 1.0.0-alpha16 (February 12, 2017)
@@ -2,0 +43,0 @@

lib/index.js

 'use strict';
 
-var walkers = require('./utils/walk');
-var names = require('./utils/names');
-
-module.exports = {
-    List: require('./utils/list'),
-    Tokenizer: require('./tokenizer'),
-    Parser: require('./parser/Parser'),
-    Lexer: require('./lexer/Lexer'),
-
-    syntax: require('./lexer'),
-
-    property: names.property,
-    keyword: names.keyword,
-
-    parse: require('./parser'),
-    clone: require('./utils/clone'),
-    fromPlainObject: require('./utils/convert').fromPlainObject,
-    toPlainObject: require('./utils/convert').toPlainObject,
-
-    walk: walkers.all,
-    walkUp: walkers.allUp,
-    walkRules: walkers.rules,
-    walkRulesRight: walkers.rulesRight,
-    walkDeclarations: walkers.declarations,
-
-    translate: require('./utils/translate'),
-    translateWithSourceMap: require('./utils/translateWithSourceMap')
-};
+module.exports = require('./syntax/default');

lib/lexer/error.js

 'use strict';
 
-var translateSyntax = require('./translate');
-var translateCss = require('../utils/translate');
-var walk = require('../utils/walk').all;
+var translateGrammar = require('./grammar/translate');
 
-function contains(node, searchFor) {
-    var found = false;
-
-    walk(node, function(descendant) {
-        if (descendant === searchFor) {
-            found = true;
-        }
-    });
-
-    return found;
-}
-
 function getLocation(node, point) {
@@ -29,28 +15,11 @@ var loc = node && node.loc && node.loc[point];
 
-var SyntaxParseError = function(message, syntaxStr, offset) {
-    var error = new SyntaxError();
-    error.name = 'SyntaxParseError';
-    error.rawMessage = message;
-    error.syntax = syntaxStr;
-    error.offset = offset;
-    error.message = error.rawMessage + '\n' +
-        '  ' + error.syntax + '\n' +
-        '--' + new Array((error.offset || error.syntax.length) + 1).join('-') + '^';
-
-    return error;
-};
-
-var MatchError = function(message, syntax, value, badNode) {
+var MatchError = function(message, lexer, syntax, value, badNode) {
     var errorOffset = -1;
-    var css = '';
     var error = new SyntaxError(message);
     var start = getLocation(badNode, 'start');
     var end = getLocation(badNode, 'end');
-
-    value.children.each(function(node) {
-        if (badNode === node || (badNode && contains(node, badNode))) {
-            errorOffset = css.length;
+    var css = lexer.syntax.translateMarkup(value, function(node, buffer) {
+        if (node === badNode) {
+            errorOffset = buffer.length;
         }
-
-        css += translateCss(node);
     });
@@ -64,3 +33,3 @@
     error.rawMessage = message;
-    error.syntax = syntax ? translateSyntax(syntax) : '<generic>';
+    error.syntax = syntax ? translateGrammar(syntax) : '<generic>';
     error.css = css;
@@ -85,4 +54,3 @@ error.mismatchOffset = errorOffset;
 module.exports = {
-    SyntaxParseError: SyntaxParseError,
     MatchError: MatchError
 };

lib/lexer/index.js

@@ -5,7 +5,3 @@ 'use strict';
     Lexer: require('./Lexer'),
-    create: require('./Lexer').create,
-    defaultSyntax: require('./default'),
-    parse: require('./parse'),
-    translate: require('./translate'),
-    walk: require('./walk')
+    grammar: require('./grammar')
 };

lib/lexer/Lexer.js

 'use strict';
 
 var MatchError = require('./error').MatchError;
-var walkAst = require('../utils/walk').all;
 var names = require('../utils/names');
 var generic = require('./generic');
-var parse = require('./parse');
-var translate = require('./translate');
-var walk = require('./walk');
+var parse = require('./grammar/parse');
+var translate = require('./grammar/translate');
+var walk = require('./grammar/walk');
 var match = require('./match');
@@ -33,3 +32,3 @@ var cssWideKeywords = parse('inherit | initial | unset');
 
-    walkAst(value, function(node) {
+    this.syntax.walk(value, function(node) {
         if (node.type === 'Function' && node.name.toLowerCase() === 'var') {
@@ -43,2 +42,22 @@ hasVar = true;
 
+// check node is \0 or \9 hack
+function isHack(node) {
+    return node.type === 'Identifier' && /^\\[09]/.test(node.name);
+}
+
+// white spaces, comments and some hacks can to be ignored at the end of value
+function isNextMayToBeIgnored(cursor) {
+    while (cursor !== null) {
+        if (cursor.data.type !== 'WhiteSpace' &&
+            cursor.data.type !== 'Comment' &&
+            !isHack(cursor.data)) {
+            return false;
+        }
+
+        cursor = cursor.next;
+    }
+
+    return true;
+}
+
 function matchSyntax(lexer, syntax, value) {
@@ -54,3 +73,3 @@ var result;
 
-    if (valueHasVar(value)) {
+    if (valueHasVar.call(lexer, value)) {
         return {
@@ -67,3 +86,3 @@ type: 'NoMatch',
         if (!result || !result.match) {
-            lexer.lastMatchError = new MatchError('Mismatch', syntax.syntax, value, result.badNode || unwrapNode(result.next));
+            lexer.lastMatchError = new MatchError('Mismatch', lexer, syntax.syntax, value, result.badNode || unwrapNode(result.next));
             return null;
@@ -73,4 +92,4 @@ }
 
-    if (result.next) {
-        lexer.lastMatchError = new MatchError('Uncomplete match', syntax.syntax, value, result.badNode || unwrapNode(result.next));
+    if (result.next && !isNextMayToBeIgnored(result.next)) {
+        lexer.lastMatchError = new MatchError('Uncomplete match', lexer, syntax.syntax, value, result.badNode || unwrapNode(result.next));
         return null;
@@ -83,25 +102,27 @@ }
 
-var Lexer = function(syntax) {
+var Lexer = function(config, syntax, structure) {
+    this.valueCommonSyntax = cssWideKeywords;
+    this.syntax = syntax;
     this.generic = false;
     this.properties = {};
     this.types = {};
-    this.valueCommonSyntax = cssWideKeywords;
+    this.structure = structure;
 
-    if (syntax) {
-        if (syntax.generic) {
+    if (config) {
+        if (config.generic) {
             this.generic = true;
             for (var name in generic) {
-                this.addType(name, generic[name]);
+                this.addType_(name, generic[name]);
             }
         }
 
-        if (syntax.types) {
-            for (var name in syntax.types) {
-                this.addType(name, syntax.types[name]);
+        if (config.types) {
+            for (var name in config.types) {
+                this.addType_(name, config.types[name]);
             }
         }
 
-        if (syntax.properties) {
-            for (var name in syntax.properties) {
-                this.addProperty(name, syntax.properties[name]);
+        if (config.properties) {
+            for (var name in config.properties) {
+                this.addProperty_(name, config.properties[name]);
             }
@@ -112,7 +133,19 @@ }
 
-Lexer.create = function(syntax) {
-    return new Lexer(syntax);
-};
+Lexer.prototype = {
+    structure: {},
+    checkStructure: function(ast) {
+        var structure = this.structure;
+        var warns = [];
 
-Lexer.prototype = {
+        this.syntax.walk(ast, function(node) {
+            if (structure.hasOwnProperty(node.type)) {
+                structure[node.type].check(node, warns.push.bind(warns));
+            } else {
+                throw new Error('Unknown node type: ' + node.type);
+            }
+        });
+
+        return warns.length ? warns : false;
+    },
+
     createDescriptor: function(syntax) {
@@ -160,6 +193,6 @@ var self = this;
     },
-    addProperty: function(name, syntax) {
+    addProperty_: function(name, syntax) {
         this.properties[name] = this.createDescriptor(syntax);
     },
-    addType: function(name, syntax) {
+    addType_: function(name, syntax) {
         this.types[name] = this.createDescriptor(syntax);
@@ -166,0 +199,0 @@

lib/lexer/match.js

@@ -315,5 +315,11 @@ 'use strict';
                     var keyword = names.keyword(node.data.name);
+                    var keywordName = keyword.name;
                     var name = syntaxNode.name.toLowerCase();
 
-                    if (name !== keyword.vendor + keyword.name) {
+                    // drop \0 and \9 hack from keyword name
+                    if (keywordName.indexOf('\\') !== -1) {
+                        keywordName = keywordName.replace(/\\[09].*$/, '');
+                    }
+
+                    if (name !== keyword.vendor + keywordName) {
                         break mismatch;
@@ -320,0 +326,0 @@ }

lib/parser/index.js

@@ -1,4 +0,75 @@
-var Parser = require('./Parser');
-var parser = new Parser();
+'use strict';
 
-module.exports = parser.parse.bind(parser);
+var Tokenizer = require('../tokenizer');
+var sequence = require('./sequence');
+
+module.exports = function createParser(config) {
+    var parser = {
+        scanner: new Tokenizer(),
+        filename: '<unknown>',
+        needPositions: false,
+        parseAtruleExpression: true,
+        parseSelector: true,
+        parseValue: true,
+        parseCustomProperty: false,
+
+        readSequence: sequence,
+
+        getLocation: function(start, end) {
+            if (this.needPositions) {
+                return this.scanner.getLocationRange(
+                    start,
+                    end,
+                    this.filename
+                );
+            }
+
+            return null;
+        },
+        getLocationFromList: function(list) {
+            if (this.needPositions) {
+                return this.scanner.getLocationRange(
+                    list.head !== null ? list.first().loc.start.offset - this.scanner.startOffset : this.scanner.tokenStart,
+                    list.head !== null ? list.last().loc.end.offset - this.scanner.startOffset : this.scanner.tokenStart,
+                    this.filename
+                );
+            }
+
+            return null;
+        },
+
+        parse: function(source, options) {
+            options = options || {};
+
+            var context = options.context || 'default';
+            var ast;
+
+            this.scanner.setSource(source, options.offset, options.line, options.column);
+            this.filename = options.filename || '<unknown>';
+            this.needPositions = Boolean(options.positions);
+            this.parseAtruleExpression = 'parseAtruleExpression' in options ? Boolean(options.parseAtruleExpression) : true;
+            this.parseSelector = 'parseSelector' in options ? Boolean(options.parseSelector) : true;
+            this.parseValue = 'parseValue' in options ? Boolean(options.parseValue) : true;
+            this.parseCustomProperty = 'parseCustomProperty' in options ? Boolean(options.parseCustomProperty) : false;
+
+            if (!this.context.hasOwnProperty(context)) {
+                throw new Error('Unknown context `' + context + '`');
+            }
+
+            ast = this.context[context].call(this, options);
+
+            if (!this.scanner.eof) {
+                this.scanner.error();
+            }
+
+            // console.log(JSON.stringify(ast, null, 4));
+            return ast;
+        }
+    };
+
+    for (var key in config) {
+        parser[key] = config[key];
+    }
+
+    return parser.parse.bind(parser);
+};

lib/parser/sequence.js

 var List = require('../utils/list');
-var cmpChar = require('../tokenizer').cmpChar;
 var TYPE = require('../tokenizer').TYPE;
-
 var WHITESPACE = TYPE.Whitespace;
-var IDENTIFIER = TYPE.Identifier;
-var STRING = TYPE.String;
-var NUMBER = TYPE.Number;
 var COMMENT = TYPE.Comment;
-var NUMBERSIGN = TYPE.NumberSign;
-var LEFTPARENTHESIS = TYPE.LeftParenthesis;
-var LEFTSQUAREBRACKET = TYPE.LeftSquareBracket;
-var PLUSSIGN = TYPE.PlusSign;
-var HYPHENMINUS = TYPE.HyphenMinus;
-var COMMA = TYPE.Comma;
-var SOLIDUS = TYPE.Solidus;
-var ASTERISK = TYPE.Asterisk;
-var PERCENTSIGN = TYPE.PercentSign;
-var FULLSTOP = TYPE.FullStop;
-var COLON = TYPE.Colon;
-var GREATERTHANSIGN = TYPE.GreaterThanSign;
-var VERTICALLINE = TYPE.VerticalLine;
-var TILDE = TYPE.Tilde;
-var U = 117; // 'u'.charCodeAt(0)
 
-var ALLOW_OF_CLAUSE = true;
-var DISALLOW_OF_CLAUSE = false;
-
-function singleIdentifier() {
-    return new List().appendData(
-        this.Identifier()
-    );
-}
-
-function selectorList() {
-    return new List().appendData(
-        this.SelectorList()
-    );
-}
-
-function compoundSelector() {
-    return new List().appendData(
-        this.Selector()
-    );
-}
-
-function nth() {
-    return new List().appendData(
-        this.Nth(DISALLOW_OF_CLAUSE)
-    );
-}
-
-function nthWithOfClause() {
-    return new List().appendData(
-        this.Nth(ALLOW_OF_CLAUSE)
-    );
-}
-
-function selectorSequence() {
+module.exports = function readSequence(recognizer) {
     var children = new List();
-    var space = null;
     var child = null;
-    var ignoreWSAfter = false;
-    var ignoreWS = false;
+    var context = {
+        recognizer: recognizer,
+        space: null,
+        ignoreWS: false,
+        ignoreWSAfter: false
+    };
 
-    this.readSC();
+    this.scanner.skipSC();
 
-    scan:
     while (!this.scanner.eof) {
@@ -76,195 +25,28 @@ switch (this.scanner.tokenType) {
             case WHITESPACE:
-                if (ignoreWS) {
+                if (context.ignoreWS) {
                     this.scanner.next();
                 } else {
-                    space = this.WhiteSpace();
+                    context.space = this.WhiteSpace();
                 }
                 continue;
-
-            case PLUSSIGN:
-            case GREATERTHANSIGN:
-            case TILDE:
-                space = null;
-                ignoreWSAfter = true;
-                child = this.Combinator();
-                break;
-
-            case SOLIDUS:  // /deep/
-                child = this.Combinator();
-                break;
-
-            case FULLSTOP:
-                child = this.ClassSelector();
-                break;
-
-            case LEFTSQUAREBRACKET:
-                child = this.AttributeSelector();
-                break;
-
-            case NUMBERSIGN:
-                child = this.IdSelector();
-                break;
-
-            case COLON:
-                if (this.scanner.lookupType(1) === COLON) {
-                    child = this.PseudoElementSelector();
-                } else {
-                    child = this.PseudoClassSelector();
-                }
-
-                break;
-
-            case IDENTIFIER:
-            case ASTERISK:
-            case VERTICALLINE:
-                child = this.TypeSelector();
-                break;
-
-            case NUMBER:
-                child = this.Percentage();
-                break;
-
-            default:
-                if (typeof this.readSelectorSequenceFallback === 'function') {
-                    child = this.readSelectorSequenceFallback();
-                    if (!child) {
-                        break scan;
-                    }
-                } else {
-                    break scan;
-                }
         }
 
-        if (space !== null) {
-            children.appendData(space);
-            space = null;
-        }
+        child = recognizer.getNode.call(this, context);
 
-        children.appendData(child);
-
-        if (ignoreWSAfter) {
-            ignoreWSAfter = false;
-            ignoreWS = true;
-        } else {
-            ignoreWS = false;
+        if (child === undefined) {
+            break;
         }
-    }
 
-    // nothing were consumed
-    if (child === null) {
-        this.scanner.error('Selector is expected');
-    }
-
-    return children;
-}
-
-function defaultSequence(scope) {
-    var children = new List();
-    var space = null;
-    var child = null;
-    var ignoreWSAfter = false;
-    var ignoreWS = false;
-
-    this.readSC();
-
-    scan:
-    while (!this.scanner.eof) {
-        switch (this.scanner.tokenType) {
-            case COMMENT:
-                this.scanner.next();
-                continue;
-
-            case WHITESPACE:
-                if (ignoreWS) {
-                    this.scanner.next();
-                } else {
-                    space = this.WhiteSpace();
-                }
-                continue;
-
-            case NUMBERSIGN:
-                child = this.HexColor();
-                break;
-
-            case COMMA:
-                space = null;
-                ignoreWSAfter = true;
-                child = this.Operator();
-                break;
-
-            case SOLIDUS:
-            case ASTERISK:
-            case PLUSSIGN:
-            case HYPHENMINUS:
-                child = this.Operator();
-                break;
-
-            case LEFTPARENTHESIS:
-                child = this.Parentheses(defaultSequence);
-                break;
-
-            case LEFTSQUAREBRACKET:
-                child = this.Brackets(defaultSequence);
-                break;
-
-            case STRING:
-                child = this.String();
-                break;
-
-            case NUMBER:
-                switch (this.scanner.lookupType(1)) {
-                    case PERCENTSIGN:
-                        child = this.Percentage();
-                        break;
-
-                    case IDENTIFIER:
-                        child = this.Dimension();
-                        break;
-
-                    default:
-                        child = this.Number();
-                }
-
-                break;
-
-            case IDENTIFIER:
-                // check for unicode range, it should start with u+ or U+
-                if (cmpChar(this.scanner.source, this.scanner.tokenStart, U) &&
-                    cmpChar(this.scanner.source, this.scanner.tokenStart + 1, PLUSSIGN)) {
-                    child = this.UnicodeRange();
-                } else if (this.scanner.lookupType(1) === LEFTPARENTHESIS) {
-                    if (this.scanner.lookupValue(0, 'url')) {
-                        child = this.Url();
-                    } else {
-                        child = this.Function(scope, defaultSequence);
-                    }
-                } else {
-                    child = this.Identifier();
-                }
-
-                break;
-
-            default:
-                if (typeof this.readSequenceFallback === 'function') {
-                    child = this.readSequenceFallback();
-                    if (!child) {
-                        break scan;
-                    }
-                } else {
-                    break scan;
-                }
+        if (context.space !== null) {
+            children.appendData(context.space);
+            context.space = null;
         }
 
-        if (space !== null) {
-            children.appendData(space);
-            space = null;
-        }
-
         children.appendData(child);
 
-        if (ignoreWSAfter) {
-            ignoreWSAfter = false;
-            ignoreWS = true;
+        if (context.ignoreWSAfter) {
+            context.ignoreWSAfter = false;
+            context.ignoreWS = true;
         } else {
-            ignoreWS = false;
+            context.ignoreWS = false;
         }
@@ -274,12 +56,2 @@ }
     return children;
-}
-
-module.exports = {
-    singleIdentifier: singleIdentifier,
-    selectorList: selectorList,
-    compoundSelector: compoundSelector,
-    nth: nth,
-    nthWithOfClause: nthWithOfClause,
-    selector: selectorSequence,
-    default: defaultSequence
 };

lib/tokenizer/const.js

@@ -10,2 +10,4 @@ 'use strict';
 var PUNCTUATOR = 6;
+var CDO = 7;
+var CDC = 8;
 
@@ -25,2 +27,4 @@ var TAB = 9;
     Punctuator:   PUNCTUATOR,
+    CDO:                 CDO,
+    CDC:                 CDC,
 
@@ -27,0 +31,0 @@ ExclamationMark:      33,  // !

lib/tokenizer/error.js

@@ -5,2 +5,3 @@ 'use strict';
 var OFFSET_CORRECTION = 60;
+var TAB_REPLACEMENT = '    ';
 
@@ -21,4 +22,4 @@ function sourceFragment(error, extraLines) {
     var lines = error.source.split(/\n|\r\n?|\f/);
+    var line = error.line;
     var column = error.column;
-    var line = error.line;
     var startLine = Math.max(1, line - extraLines) - 1;
@@ -29,2 +30,5 @@ var endLine = Math.min(line + extraLines, lines.length + 1);
 
+    // correct column according to replaced tab before column
+    column += (TAB_REPLACEMENT.length - 1) * (lines[line - 1].substr(0, column - 1).match(/\t/g) || []).length;
+
     if (column > MAX_LINE_LENGTH) {
@@ -37,2 +41,3 @@ cutLeft = column - OFFSET_CORRECTION + 3;
         if (i >= 0 && i < lines.length) {
+            lines[i] = lines[i].replace(/\t/g, TAB_REPLACEMENT);
             lines[i] =
@@ -39,0 +44,0 @@ (cutLeft > 0 && lines[i].length > cutLeft ? '\u2026' : '') +

lib/tokenizer/Tokenizer.js

@@ -29,2 +29,4 @@ 'use strict';
 var PUNCTUATOR = TYPE.Punctuator;
+var CDO = TYPE.CDO;
+var CDC = TYPE.CDC;
 
@@ -39,2 +41,5 @@ var N = 10;
 var HYPHENMINUS = TYPE.HyphenMinus;
+var GREATERTHANSIGN = TYPE.GreaterThanSign;
+var LESSTHANSIGN = TYPE.LessThanSign;
+var EXCLAMATIONMARK = TYPE.ExclamationMark;
 
@@ -106,21 +111,44 @@ var MIN_BUFFER_SIZE = 16 * 1024;
             case PUNCTUATOR:
-                if (code === STAR && prevType === SLASH) { // /*
+                // /*
+                if (code === STAR && prevType === SLASH) {
                     type = COMMENT;
                     offset = findCommentEnd(source, offset + 1);
                     tokenCount--; // rewrite prev token
-                } else {
-                    // edge case for -.123 and +.123
-                    if (code === FULLSTOP && (prevType === PLUSSIGN || prevType === HYPHENMINUS)) {
-                        if (offset + 1 < sourceLength && isNumber(source.charCodeAt(offset + 1))) {
-                            type = NUMBER;
-                            offset = findNumberEnd(source, offset + 2, false);
-                            tokenCount--; // rewrite prev token
-                            break;
-                        }
+                    break;
+                }
+
+                // edge case for -.123 and +.123
+                if (code === FULLSTOP && (prevType === PLUSSIGN || prevType === HYPHENMINUS)) {
+                    if (offset + 1 < sourceLength && isNumber(source.charCodeAt(offset + 1))) {
+                        type = NUMBER;
+                        offset = findNumberEnd(source, offset + 2, false);
+                        tokenCount--; // rewrite prev token
+                        break;
                     }
+                }
 
-                    type = code;
-                    offset = offset + 1;
+                // <!--
+                if (code === EXCLAMATIONMARK && prevType === LESSTHANSIGN) {
+                    if (offset + 2 < sourceLength &&
+                        source.charCodeAt(offset + 1) === HYPHENMINUS &&
+                        source.charCodeAt(offset + 2) === HYPHENMINUS) {
+                        type = CDO;
+                        offset = offset + 3;
+                        tokenCount--; // rewrite prev token
+                        break;
+                    }
                 }
 
+                // -->
+                if (code === HYPHENMINUS && prevType === HYPHENMINUS) {
+                    if (offset + 1 < sourceLength && source.charCodeAt(offset + 1) === GREATERTHANSIGN) {
+                        type = CDC;
+                        offset = offset + 2;
+                        tokenCount--; // rewrite prev token
+                        break;
+                    }
+                }
+
+                type = code;
+                offset = offset + 1;
                 break;
@@ -250,2 +278,7 @@
     },
+    skipSC: function() {
+        while (this.tokenType === WHITESPACE || this.tokenType === COMMENT) {
+            this.next();
+        }
+    },
     skip: function(tokenCount) {
@@ -391,4 +424,4 @@ var next = this.currentToken + tokenCount;
 // fix soft deoptimizations (insufficient type feedback)
-new Tokenizer('\n\r\r\n\f//""\'\'/*\r\n\f*/1a;.\\31\t\+2{url(a);+1.2e3 -.4e-5 .6e+7}').getLocation();
+new Tokenizer('\n\r\r\n\f<!---->//""\'\'/*\r\n\f*/1a;.\\31\t\+2{url(a);+1.2e3 -.4e-5 .6e+7}').getLocation();
 
 module.exports = Tokenizer;

lib/tokenizer/utils.js

@@ -21,3 +21,9 @@ 'use strict';
 function firstCharOffset(source) {
-    return source.charCodeAt(0) === 0xFEFF ? 1 : 0;
+    // detect BOM (https://en.wikipedia.org/wiki/Byte_order_mark)
+    if (source.charCodeAt(0) === 0xFEFF ||  // UTF-16BE
+        source.charCodeAt(0) === 0xFFFE) {  // UTF-16LE
+        return 1;
+    }
+
+    return 0;
 }
@@ -24,0 +30,0 @@

lib/utils/convert.js

@@ -1,28 +0,27 @@
-var walk = require('./walk').all;
-var walkUp = require('./walk').allUp;
 var List = require('./list');
 
-function fromPlainObject(ast) {
-    walk(ast, function(node) {
-        if (node.children && node.children instanceof List === false) {
-            node.children = new List().fromArray(node.children);
-        }
-    });
+module.exports = function createConvertors(walker) {
+    var walk = walker.all;
+    var walkUp = walker.allUp;
 
-    return ast;
-}
+    return {
+        fromPlainObject: function(ast) {
+            walk(ast, function(node) {
+                if (node.children && node.children instanceof List === false) {
+                    node.children = new List().fromArray(node.children);
+                }
+            });
 
-function toPlainObject(ast) {
-    walkUp(ast, function(node) {
-        if (node.children && node.children instanceof List) {
-            node.children = node.children.toArray();
+            return ast;
+        },
+        toPlainObject: function(ast) {
+            walkUp(ast, function(node) {
+                if (node.children && node.children instanceof List) {
+                    node.children = node.children.toArray();
+                }
+            });
+
+            return ast;
         }
-    });
-
-    return ast;
-}
-
-module.exports = {
-    fromPlainObject: fromPlainObject,
-    toPlainObject: toPlainObject
+    };
 };

lib/utils/names.js

@@ -56,3 +56,7 @@ 'use strict';
         hack = '//';
-    } else if (hack !== '*' && hack !== '_' && hack !== '$') {
+    } else if (hack !== '_' &&
+               hack !== '*' &&
+               hack !== '$' &&
+               hack !== '#' &&
+               hack !== '+') {
         hack = '';
@@ -59,0 +63,0 @@ }

package.json

 {
   "name": "css-tree",
-  "version": "1.0.0-alpha16",
+  "version": "1.0.0-alpha17",
   "description": "Fast detailed CSS parser",
@@ -47,10 +47,10 @@ "keywords": [
   "scripts": {
-    "gen:syntax": "node scripts/gen-syntax-data.js",
+    "lint": "jscs data lib scripts test && eslint data lib scripts test",
     "build": "npm run gen:syntax && browserify --standalone csstree lib/index.js | uglifyjs --compress --mangle -o dist/csstree.js",
-    "codestyle-and-test": "npm run codestyle && npm test",
-    "codestyle": "jscs data lib scripts test && eslint data lib scripts test",
+    "lint-and-test": "npm run lint && npm test",
     "test": "mocha --reporter progress",
+    "gen:syntax": "node scripts/gen-syntax-data.js && node scripts/update-ast-docs.js",
     "coverage": "istanbul cover _mocha -- -R min",
     "prepublish": "npm run build",
-    "travis": "npm run codestyle-and-test && npm run coveralls",
+    "travis": "npm run lint-and-test && npm run coveralls",
     "coveralls": "istanbul cover _mocha --report lcovonly -- -R min && cat ./coverage/lcov.info | coveralls",
@@ -57,0 +57,0 @@ "hydrogen": "node --trace-hydrogen --trace-phase=Z --trace-deopt --code-comments --hydrogen-track-positions --redirect-code-traces --redirect-code-traces-to=code.asm --trace_hydrogen_file=code.cfg --print-opt-code bin/parse --stat -o /dev/null"

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Found 1 instance in 1 package

Uses eval

Supply chain risk

Package uses dynamic code execution (e.g., eval()), which is a dangerous practice. This can prevent the code from running in certain environments and increases the risk that the code may contain exploits or malicious behavior.

Found 1 instance in 1 package

Fixed alerts

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License

This package is not allowed per your license policy. Review the package's license to ensure compliance.

Found 1 instance in 1 package

Improved metrics

Total package byte prevSize

657135

increased by3.69%

Number of package files

114

increased by25.27%

Lines of code

13463

increased by4.16%

Worsened metrics

Number of medium supply chain risk alerts

1

increased byInfinity%

No dependency changes