forked from forgejo/forgejo
Server-side syntax highlighting for all code (#12047)
* Server-side syntax hilighting for all code This PR does a few things: * Remove all traces of highlight.js * Use chroma library to provide fast syntax hilighting directly on the server * Provide syntax hilighting for diffs * Re-style both unified and split diffs views * Add custom syntax hilighting styling for both regular and arc-green Fixes #7729 Fixes #10157 Fixes #11825 Fixes #7728 Fixes #3872 Fixes #3682 And perhaps gets closer to #9553 * fix line marker * fix repo search * Fix single line select * properly load settings * npm uninstall highlight.js * review suggestion * code review * forgot to call function * fix test * Apply suggestions from code review suggestions from @silverwind thanks Co-authored-by: silverwind <me@silverwind.io> * code review * copy/paste error * Use const for highlight size limit * Update web_src/less/_repository.less Co-authored-by: Lauris BH <lauris@nix.lv> * update size limit to 1MB and other styling tweaks * fix highlighting for certain diff sections * fix test * add worker back as suggested Co-authored-by: silverwind <me@silverwind.io> Co-authored-by: Lauris BH <lauris@nix.lv>
This commit is contained in:
mrsdizzie
GitHub
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commit
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336 changed files with 37293 additions and 769 deletions
200
vendor/github.com/alecthomas/chroma/lexers/s/sml.go
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vendored
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vendor/github.com/alecthomas/chroma/lexers/s/sml.go
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package s
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import (
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. "github.com/alecthomas/chroma" // nolint
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"github.com/alecthomas/chroma/lexers/internal"
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)
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// Standard ML lexer.
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var StandardML = internal.Register(MustNewLexer(
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&Config{
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Name: "Standard ML",
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Aliases: []string{"sml"},
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Filenames: []string{"*.sml", "*.sig", "*.fun"},
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MimeTypes: []string{"text/x-standardml", "application/x-standardml"},
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},
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Rules{
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"whitespace": {
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{`\s+`, Text, nil},
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{`\(\*`, CommentMultiline, Push("comment")},
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},
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"delimiters": {
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{`\(|\[|\{`, Punctuation, Push("main")},
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{`\)|\]|\}`, Punctuation, Pop(1)},
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{`\b(let|if|local)\b(?!\')`, KeywordReserved, Push("main", "main")},
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{`\b(struct|sig|while)\b(?!\')`, KeywordReserved, Push("main")},
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{`\b(do|else|end|in|then)\b(?!\')`, KeywordReserved, Pop(1)},
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},
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"core": {
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{`(_|\}|\{|\)|;|,|\[|\(|\]|\.\.\.)`, Punctuation, nil},
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{`#"`, LiteralStringChar, Push("char")},
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{`"`, LiteralStringDouble, Push("string")},
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{`~?0x[0-9a-fA-F]+`, LiteralNumberHex, nil},
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{`0wx[0-9a-fA-F]+`, LiteralNumberHex, nil},
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{`0w\d+`, LiteralNumberInteger, nil},
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{`~?\d+\.\d+[eE]~?\d+`, LiteralNumberFloat, nil},
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{`~?\d+\.\d+`, LiteralNumberFloat, nil},
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{`~?\d+[eE]~?\d+`, LiteralNumberFloat, nil},
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{`~?\d+`, LiteralNumberInteger, nil},
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{`#\s*[1-9][0-9]*`, NameLabel, nil},
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{`#\s*([a-zA-Z][\w']*)`, NameLabel, nil},
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{"#\\s+([!%&$#+\\-/:<=>?@\\\\~`^|*]+)", NameLabel, nil},
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{`\b(datatype|abstype)\b(?!\')`, KeywordReserved, Push("dname")},
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{`(?=\b(exception)\b(?!\'))`, Text, Push("ename")},
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{`\b(functor|include|open|signature|structure)\b(?!\')`, KeywordReserved, Push("sname")},
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{`\b(type|eqtype)\b(?!\')`, KeywordReserved, Push("tname")},
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{`\'[\w\']*`, NameDecorator, nil},
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{`([a-zA-Z][\w']*)(\.)`, NameNamespace, Push("dotted")},
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{`\b(abstype|and|andalso|as|case|datatype|do|else|end|exception|fn|fun|handle|if|in|infix|infixr|let|local|nonfix|of|op|open|orelse|raise|rec|then|type|val|with|withtype|while|eqtype|functor|include|sharing|sig|signature|struct|structure|where)\b`, KeywordReserved, nil},
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{`([a-zA-Z][\w']*)`, Name, nil},
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{`\b(:|\|,=|=>|->|#|:>)\b`, KeywordReserved, nil},
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{"([!%&$#+\\-/:<=>?@\\\\~`^|*]+)", Name, nil},
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},
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"dotted": {
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{`([a-zA-Z][\w']*)(\.)`, NameNamespace, nil},
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// ignoring reserved words
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{`([a-zA-Z][\w']*)`, Name, Pop(1)},
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// ignoring reserved words
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{"([!%&$#+\\-/:<=>?@\\\\~`^|*]+)", Name, Pop(1)},
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{`\s+`, Error, nil},
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{`\S+`, Error, nil},
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},
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"root": {
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Default(Push("main")),
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},
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"main": {
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Include("whitespace"),
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{`\b(val|and)\b(?!\')`, KeywordReserved, Push("vname")},
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{`\b(fun)\b(?!\')`, KeywordReserved, Push("#pop", "main-fun", "fname")},
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Include("delimiters"),
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Include("core"),
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{`\S+`, Error, nil},
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},
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"main-fun": {
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Include("whitespace"),
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{`\s`, Text, nil},
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{`\(\*`, CommentMultiline, Push("comment")},
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{`\b(fun|and)\b(?!\')`, KeywordReserved, Push("fname")},
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{`\b(val)\b(?!\')`, KeywordReserved, Push("#pop", "main", "vname")},
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{`\|`, Punctuation, Push("fname")},
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{`\b(case|handle)\b(?!\')`, KeywordReserved, Push("#pop", "main")},
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Include("delimiters"),
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Include("core"),
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{`\S+`, Error, nil},
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},
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"char": {
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{`[^"\\]`, LiteralStringChar, nil},
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{`\\[\\"abtnvfr]`, LiteralStringEscape, nil},
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{`\\\^[\x40-\x5e]`, LiteralStringEscape, nil},
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{`\\[0-9]{3}`, LiteralStringEscape, nil},
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{`\\u[0-9a-fA-F]{4}`, LiteralStringEscape, nil},
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{`\\\s+\\`, LiteralStringInterpol, nil},
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{`"`, LiteralStringChar, Pop(1)},
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},
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"string": {
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{`[^"\\]`, LiteralStringDouble, nil},
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{`\\[\\"abtnvfr]`, LiteralStringEscape, nil},
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{`\\\^[\x40-\x5e]`, LiteralStringEscape, nil},
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{`\\[0-9]{3}`, LiteralStringEscape, nil},
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{`\\u[0-9a-fA-F]{4}`, LiteralStringEscape, nil},
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{`\\\s+\\`, LiteralStringInterpol, nil},
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{`"`, LiteralStringDouble, Pop(1)},
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},
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"breakout": {
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{`(?=\b(where|do|handle|if|sig|op|while|case|as|else|signature|andalso|struct|infixr|functor|in|structure|then|local|rec|end|fun|of|orelse|val|include|fn|with|exception|let|and|infix|sharing|datatype|type|abstype|withtype|eqtype|nonfix|raise|open)\b(?!\'))`, Text, Pop(1)},
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},
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"sname": {
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Include("whitespace"),
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Include("breakout"),
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{`([a-zA-Z][\w']*)`, NameNamespace, nil},
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Default(Pop(1)),
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},
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"fname": {
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Include("whitespace"),
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{`\'[\w\']*`, NameDecorator, nil},
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{`\(`, Punctuation, Push("tyvarseq")},
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{`([a-zA-Z][\w']*)`, NameFunction, Pop(1)},
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{"([!%&$#+\\-/:<=>?@\\\\~`^|*]+)", NameFunction, Pop(1)},
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Default(Pop(1)),
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},
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"vname": {
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Include("whitespace"),
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{`\'[\w\']*`, NameDecorator, nil},
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{`\(`, Punctuation, Push("tyvarseq")},
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{"([a-zA-Z][\\w']*)(\\s*)(=(?![!%&$#+\\-/:<=>?@\\\\~`^|*]+))", ByGroups(NameVariable, Text, Punctuation), Pop(1)},
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{"([!%&$#+\\-/:<=>?@\\\\~`^|*]+)(\\s*)(=(?![!%&$#+\\-/:<=>?@\\\\~`^|*]+))", ByGroups(NameVariable, Text, Punctuation), Pop(1)},
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{`([a-zA-Z][\w']*)`, NameVariable, Pop(1)},
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{"([!%&$#+\\-/:<=>?@\\\\~`^|*]+)", NameVariable, Pop(1)},
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Default(Pop(1)),
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},
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"tname": {
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Include("whitespace"),
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Include("breakout"),
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{`\'[\w\']*`, NameDecorator, nil},
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{`\(`, Punctuation, Push("tyvarseq")},
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{"=(?![!%&$#+\\-/:<=>?@\\\\~`^|*]+)", Punctuation, Push("#pop", "typbind")},
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{`([a-zA-Z][\w']*)`, KeywordType, nil},
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{"([!%&$#+\\-/:<=>?@\\\\~`^|*]+)", KeywordType, nil},
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{`\S+`, Error, Pop(1)},
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},
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"typbind": {
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Include("whitespace"),
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{`\b(and)\b(?!\')`, KeywordReserved, Push("#pop", "tname")},
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Include("breakout"),
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Include("core"),
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{`\S+`, Error, Pop(1)},
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},
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"dname": {
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Include("whitespace"),
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Include("breakout"),
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{`\'[\w\']*`, NameDecorator, nil},
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{`\(`, Punctuation, Push("tyvarseq")},
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{`(=)(\s*)(datatype)`, ByGroups(Punctuation, Text, KeywordReserved), Pop(1)},
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{"=(?![!%&$#+\\-/:<=>?@\\\\~`^|*]+)", Punctuation, Push("#pop", "datbind", "datcon")},
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{`([a-zA-Z][\w']*)`, KeywordType, nil},
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{"([!%&$#+\\-/:<=>?@\\\\~`^|*]+)", KeywordType, nil},
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{`\S+`, Error, Pop(1)},
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},
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"datbind": {
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Include("whitespace"),
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{`\b(and)\b(?!\')`, KeywordReserved, Push("#pop", "dname")},
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{`\b(withtype)\b(?!\')`, KeywordReserved, Push("#pop", "tname")},
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{`\b(of)\b(?!\')`, KeywordReserved, nil},
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{`(\|)(\s*)([a-zA-Z][\w']*)`, ByGroups(Punctuation, Text, NameClass), nil},
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{"(\\|)(\\s+)([!%&$#+\\-/:<=>?@\\\\~`^|*]+)", ByGroups(Punctuation, Text, NameClass), nil},
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Include("breakout"),
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Include("core"),
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{`\S+`, Error, nil},
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},
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"ename": {
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Include("whitespace"),
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{`(exception|and)\b(\s+)([a-zA-Z][\w']*)`, ByGroups(KeywordReserved, Text, NameClass), nil},
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{"(exception|and)\\b(\\s*)([!%&$#+\\-/:<=>?@\\\\~`^|*]+)", ByGroups(KeywordReserved, Text, NameClass), nil},
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{`\b(of)\b(?!\')`, KeywordReserved, nil},
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Include("breakout"),
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Include("core"),
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{`\S+`, Error, nil},
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},
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"datcon": {
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Include("whitespace"),
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{`([a-zA-Z][\w']*)`, NameClass, Pop(1)},
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{"([!%&$#+\\-/:<=>?@\\\\~`^|*]+)", NameClass, Pop(1)},
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{`\S+`, Error, Pop(1)},
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},
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"tyvarseq": {
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{`\s`, Text, nil},
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{`\(\*`, CommentMultiline, Push("comment")},
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{`\'[\w\']*`, NameDecorator, nil},
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{`[a-zA-Z][\w']*`, Name, nil},
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{`,`, Punctuation, nil},
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{`\)`, Punctuation, Pop(1)},
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{"[!%&$#+\\-/:<=>?@\\\\~`^|*]+", Name, nil},
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},
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"comment": {
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{`[^(*)]`, CommentMultiline, nil},
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{`\(\*`, CommentMultiline, Push()},
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{`\*\)`, CommentMultiline, Pop(1)},
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{`[(*)]`, CommentMultiline, nil},
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},
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},
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))
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