Constant HIGHLIGHTS_QUERY 

pub const HIGHLIGHTS_QUERY: &str = "; highlights.scm\n(comment) @comment @spell\n\n\"variable\" @variable.parameter\n\n; built-in named values (palette presets, special color names)\n; TODO: decide and collapse (bgnd & background same)\n; black/viridis constant?\n[\n  \"viridis\"\n  \"black\"\n  \"bgnd\"\n  \"background\"\n] @variable.parameter.builtin\n\n(identifier) @variable\n\n[\n  \"[\"\n  \"]\"\n  \"(\"\n  \")\"\n  \"{\"\n  \"}\"\n] @punctuation.bracket\n\n(operator) @operator\n\n[\n  \"=\"\n  \",\"\n  \":\"\n] @operator\n\n(keyword_op) @keyword.operator\n\n(ternary_op) @keyword.conditional.ternary\n\n; TODO: collapse\n[\n  \"for\"\n  \"in\"\n  \"do\"\n  \"while\"\n] @keyword.repeat\n\n; -----------------------------------------------------------------------\n; Commands\n\"cmd\" @keyword\n\n; TODO: decide and collapse\n[\n  \"newhistogram\"\n  \"newspiderplot\"\n  \"keyentry\"\n] @keyword\n\n; TODO: decide inverse, sample\n[\n  \"inverse\"\n  \"sample\"\n  \"kw_fn\"\n] @keyword.function\n\n\"kw_cond\" @keyword.conditional\n\n; TODO: decide and collapse\n[\n  \"front\"\n  \"back\"\n  \"depthorder\"\n  \"clip\"\n  \"font\"\n  \"filled\"\n  \"nofilled\"\n  \"parallel\"\n  ; coordinate systems (first/second/graph/screen/character/polar) \u{2014} alias \"coord\"\n  \"coord\"\n] @keyword.directive\n\n; on/off toggle flags ({no}X) \u{2014} alias \"flag\" (@keyword.modifier)\n\"flag\" @keyword.directive\n\n; enumerated VALUES / modes (alias \"mod\") \u{2014} @constant\n; TODO: decide, constant?\n\"mod\" @constant\n\n; plot/splot ELEMENT modifiers (alias \"attr\") \u{2014} @property\n; (title/notitle/with/using/index/every/axes/smooth in a plot command;\n;  distinct from set-option names which are @variable.member)\n\"attr\" @property\n\n; -----------------------------------------------------------------------\n; TODO: decide and collapse\n[\n  ; Terminal output path\n  \"name\"\n  ; Style attribute shorthands (K constants + datafile keywords)\n  \"sa\"\n  \"dt\"\n  \"fc\"\n  \"fs\"\n  \"lc\"\n  \"lt\"\n  \"ps\"\n  \"pt\"\n  \"tc\"\n  \"skip\"\n  \"expand\"\n  \"title\"\n  ; set/show argument keywords (all key(\"...\", n, \"arg\") aliases)\n  \"arg\"\n] @variable.member\n\n\n; -----------------------------------------------------------------------\n; Option keywords\n; TODO: decide and collapse\n[\n  ; coordinate systems / axes\n  \"unit\"\n  \"axes_opts\"\n  ; time units (set xdata time / timefmt)\n  \"seconds\"\n  \"minutes\"\n  \"hours\"\n  \"days\"\n  \"weeks\"\n  \"months\"\n  \"years\"\n  ; smooth subtypes still emitted as own token (value-modes csplines/bezier/\u{2026} \u{2192} \"mod\")\n  \"kdensity\"\n  \"closed\"\n  \"between\"\n  \"above\"\n  \"below\"\n  ; plot / datafile misc\n  \"pixels\"\n  \"whiskerbars\"\n  \"beginning\"\n  \"long\"\n  ; positioning / key\n  \"base\"\n  \"begin\"\n  \"center\"\n  \"end\"\n  ; pm3d / 3d options\n  \"clip1in\"\n  \"clip4in\"\n  \"c2c\"\n  \"retrace\"\n  ; data separators\n  \"whitespace\"\n  \"tab\"\n  \"comma\"\n  ; palette stack\n  \"push\"\n  \"pop\"\n  ; flip binary axes\n  \"flipx\"\n  \"flipy\"\n  \"flipz\"\n  ; binary datafile modifiers\n  \"binary\"\n  \"format\"\n  \"filetype\"\n  \"record\"\n  \"array\"\n  \"origin\"\n  \"dx\"\n  \"dy\"\n  \"width\"\n  \"level\"\n  \"matrix\"\n  \"nonuniform\"\n  \"sparse\"\n  \"volatile\"\n  \"noautoscale\"\n  \"zsort\"\n  \"mask\"\n  \"transpose\"\n  ; endian options (binary)\n  \"endian\"\n  \"little\"\n  \"big\"\n  \"swap\"\n  \"swab\"\n  \"middle\"\n  \"pdp\"\n  ; fit modifiers\n  \"unitweights\"\n  \"errors\"\n  ; pause endconditions\n  \"mouse\"\n  \"keypress\"\n  \"button1\"\n  \"button2\"\n  \"button3\"\n  \"close\"\n  \"any\"\n  ; history command options\n  \"append\"\n  \"quiet\"\n  \"numbers\"\n  \"trim\"\n  \"full\"\n  ; pixmap\n  ; coordinate axis-family prefix (the coord systems first/second/graph/screen/\n  ; character/polar are aliased to (coord) -> @keyword.directive below)\n  \"axis\"\n  ; position direction aliases\n  \"cen\"\n  \"lef\"\n  \"rig\"\n  ; geometry / arrow options\n  \"angle\"\n  \"length\"\n  \"head\"\n  \"inout\"\n  ; offset / scale\n  \"offset\"\n  \"nooffset\"\n  \"scale\"\n  ; orientation\n  ; angle units\n  ; contour / palette / axis\n  \"range\"\n  \"missing\"\n  \"interpolate\"\n  \"autofreq\"\n  \"autojustify\"\n  ; rotation\n  \"rotate\"\n  ; border / extend / range modifiers\n  \"restore\"\n  ; pm3d\n  \"scanorder\"\n  \"position\"\n  ; histogram subtypes\n  ; smooth additions\n  ; key/label placement\n  ; fill pattern\n  \"pattern\"\n  ; 3d / surface\n  \"s\"\n  ; data / fit extras\n  \"variables\"\n  \"logfile\"\n  \"nologfile\"\n  \"datablocks\"\n  \"commentschars\"\n  \"functions\"\n  ; misc\n  ; coordinate planes / walls\n  \"version\"\n  ; colorspec\n  \"rgbcolor\"\n  ; tics\n  ; set size\n  ; set fit\n  \"maxiter\"\n  \"default\"\n  ; label / style\n  ; set view\n  \"map\"\n  ; set theta direction\n  ; palette model / presets / cubehelix options\n  \"model\"\n  ; pm3d / lighting\n  \"corners2color\"\n  \"primary\"\n  \"specular\"\n  \"spec2\"\n  ; dgrid3d subtype (gauss/\u{2026} value-modes \u{2192} \"mod\")\n  \"splines\"\n  ; contour / cntrparam\n  ; tics axes / modifiers\n  \"add\"\n  ; text / font / encoding\n  \"fontscale\"\n  \"utf8\"\n  ; fill / size style\n  \"empty\"\n  ; layout / spacing / multiplot\n  \"layout\"\n  \"spacing\"\n  \"frac\"\n  ; color names in style contexts\n  \"cb\"\n  ; filledcurves axis coordinate (x1, x2, y1, y2 etc.)\n  \"coordinate\"\n  ; watch-label / surface options\n  \"point\"\n  ; tics keyword (grid / paxis \u{2014} covers xtics, ytics, ztics contexts)\n  \"tics\"\n  ; histogram fill style\n  ; jitter options\n  ; key command options\n  ; paxis label keyword (key(\"label\",3) with default aka=\"label\")\n  \"label\"\n  ; polar coordinate system and grid option\n  ; polar grid axis ranges\n  \"theta\"\n  \"r\"\n  ; ellipses style\n  \"units\"\n  ; stats output prefix\n  \"prefix\"\n  ; palette formula option\n  ; pm3d z-clip\n  \"z\"\n  ; grid mode\n  ; datafile option\n  ; textbox / multiplot margins (anonymous \"margins\" string)\n  \"margins\"\n  ; datafile lc/fc palette shorthand\n  \"palette\"\n  ; set fit quiet / results / verbose / brief\n  \"fit_out\"\n] @variable.member\n\n; -----------------------------------------------------------------------\n; Presentation / style attributes\n; TODO: decide and collapse\n[\n  \"size\"\n  \"monochrome\"\n  \"color\"\n  \"transparent\"\n  ; palette colour models (set palette model)\n  \"RGB\"\n  \"CMY\"\n  \"HSV\"\n  \"nobackground\"\n  \"separator\"\n  (hull)\n  \"units_opt\"\n  ; fill / line style modes\n  \"solid\"\n  \"dashed\"\n  ; page orientation\n  \"landscape\"\n  \"portrait\"\n  ; terminal options\n  \"animate\"\n  \"input\"\n  \"colortext\"\n  \"blacktext\"\n  ; point type names (ps/tikz terminals)\n  \"texpoints\"\n  \"normalpoints\"\n  \"mpoints\"\n  \"smallpoints\"\n  \"tinypoints\"\n  \"pspoints\"\n  \"nopspoints\"\n  ; key alignment (capitalised)\n  ; layer / style misc\n\n  \"st_opt\"\n  \"plt_st\"\n] @attribute\n\n\n; binary filetype= value (png/jpg/gif/bin parsed as identifier in field)\n(binary_options\n  filetype: (identifier) @attribute)\n\n; -----------------------------------------------------------------------\n; Macro / datablock identifiers\n(macro) @function.macro\n\n(datablock) @module\n\n[\n  (datablock_start)\n  (datablock_end)\n] @label\n\n; -----------------------------------------------------------------------\n; Functions\n(function\n  name: (identifier) @function)\n\n((function\n  name: (identifier) @function.builtin)\n  (#any-of? @function.builtin\n    \"abs\" \"acos\" \"acosh\" \"airy\" \"arg\" \"asin\" \"asinh\" \"atan\" \"atan2\" \"atanh\" \"besj0\" \"besj1\" \"besjn\"\n    \"besy0\" \"besy1\" \"besyn\" \"besi0\" \"besi1\" \"besin\" \"cbrt\" \"ceil\" \"conj\" \"cos\" \"cosh\" \"EllipticK\"\n    \"EllipticE\" \"EllipticPi\" \"erf\" \"erfc\" \"exp\" \"expint\" \"floor\" \"gamma\" \"ibeta\" \"inverf\" \"igamma\"\n    \"imag\" \"int\" \"invnorm\" \"invibeta\" \"invigamma\" \"LambertW\" \"lambertw\" \"lgamma\" \"lnGamma\" \"log\"\n    \"log10\" \"norm\" \"rand\" \"real\" \"round\" \"sgn\" \"sin\" \"sinh\" \"sqrt\" \"SynchrotronF\" \"tan\" \"tanh\"\n    \"uigamma\" \"voigt\" \"zeta\" \"cerf\" \"cdawson\" \"faddeva\" \"erfi\" \"FresnelC\" \"FresnelS\" \"VP\" \"VP_fwhm\"\n    \"Ai\" \"Bi\" \"BesselH1\" \"BesselH2\" \"BesselJ\" \"BesselY\" \"BesselI\" \"BesselK\" \"gprintf\" \"sprintf\"\n    \"strlen\" \"strstrt\" \"substr\" \"strptime\" \"srtftime\" \"system\" \"trim\" \"word\" \"words\" \"time\"\n    \"timecolumn\" \"tm_hour\" \"tm_mday\" \"tm_min\" \"tm_mon\" \"tm_sec\" \"tm_wday\" \"tm_week\" \"tm_yday\"\n    \"tm_year\" \"weekday_iso\" \"weekday_cdc\" \"column\" \"columnhead\" \"exists\" \"hsv2rgb\" \"index\" \"palette\"\n    \"rgbcolor\" \"stringcolumn\" \"valid\" \"value\" \"voxel\"))\n\n; -----------------------------------------------------------------------\n; Built-in variables (stats output, GPVAL_*, etc.)\n((identifier) @variable.builtin\n  (#match? @variable.builtin\n    \"^\\\\w+_(records|headers|outofrange|invalid|blank|blocks|columns|column_header|index_(min|max)(_x|_y)?|(min|max)(_x|_y)?|mean(_err)?(_x|_y)?|stddev(_err)?(_x|_y)?)$\"))\n\n((identifier) @variable.builtin\n  (#match? @variable.builtin\n    \"^\\\\w+_(sdd(_x|_y)?|(lo|up)_quartile(_x|_y)?|median(_x|_y)?|sum(sq)?(_x|_y)?|skewness(_err)?(_x|_y)?)$\"))\n\n((identifier) @variable.builtin\n  (#match? @variable.builtin\n    \"^\\\\w+_(kurtosis(_err)?(_x|_y)?|adev(_x|_y)?|correlation|slope(_err)?|intercept(_err)?|sumxy|pos_(min|max)_y|size(_x|_y))$\"))\n\n((identifier) @variable.builtin\n  (#match? @variable.builtin\n    \"^((GPVAL|MOUSE|FIT)_\\\\w+|GNUTERM|NaN|Inf|VoxelDistance|GridDistance|pi|ARG\\\\w+)$\"))\n\n; -----------------------------------------------------------------------\n; Array definitions\n(def_array\n  \"array\" @keyword.function)\n\n(array\n  (identifier) @function)\n\n; -----------------------------------------------------------------------\n; Literals\n(number) @number\n\n(string_literal) @string\n\n(escape_sequence) @string.escape\n\n(format_specifier) @string.special\n";

The syntax highlighting query for this grammar.