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825 lines
20 KiB
Text
825 lines
20 KiB
Text
// Track environments
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@context elementContext from "./tokens.mjs"
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// External tokens must be defined before normal @tokens to take precedence
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// over them.
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@external tokens verbTokenizer from "./tokens.mjs" {
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VerbContent
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}
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@external tokens lstinlineTokenizer from "./tokens.mjs" {
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LstInlineContent
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}
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@external tokens literalArgTokenizer from "./tokens.mjs" {
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LiteralArgContent
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}
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@external tokens spaceDelimitedLiteralArgTokenizer from "./tokens.mjs" {
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SpaceDelimitedLiteralArgContent
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}
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@external tokens verbatimTokenizer from "./tokens.mjs" {
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VerbatimContent
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}
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// external tokenizer to read control sequence names including @ signs
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// (which are often used in TeX definitions).
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@external tokens csnameTokenizer from "./tokens.mjs" {
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Csname
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}
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@external tokens trailingContentTokenizer from "./tokens.mjs" {
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TrailingWhitespaceOnly,
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TrailingContent
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}
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// It doesn't seem to be possible to access specialized tokens in the context tracker.
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// They have id's which are not exported in the latex.terms.js file.
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// This is a workaround: use an external specializer to explicitly choose the terms
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// to use for the specialized tokens.
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@external specialize {CtrlSeq} specializeCtrlSeq from "./tokens.mjs" {
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Begin,
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End,
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RefCtrlSeq,
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RefStarrableCtrlSeq,
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CiteCtrlSeq,
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CiteStarrableCtrlSeq,
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LabelCtrlSeq,
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MathTextCtrlSeq,
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HboxCtrlSeq,
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TitleCtrlSeq,
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DocumentClassCtrlSeq,
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UsePackageCtrlSeq,
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HrefCtrlSeq,
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UrlCtrlSeq,
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VerbCtrlSeq,
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LstInlineCtrlSeq,
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IncludeGraphicsCtrlSeq,
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CaptionCtrlSeq,
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DefCtrlSeq,
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LetCtrlSeq,
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LeftCtrlSeq,
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RightCtrlSeq,
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NewCommandCtrlSeq,
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RenewCommandCtrlSeq,
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NewEnvironmentCtrlSeq,
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RenewEnvironmentCtrlSeq,
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// services/web/frontend/js/features/outline/outline-parser.js
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BookCtrlSeq,
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PartCtrlSeq,
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ChapterCtrlSeq,
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SectionCtrlSeq,
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SubSectionCtrlSeq,
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SubSubSectionCtrlSeq,
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ParagraphCtrlSeq,
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SubParagraphCtrlSeq,
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InputCtrlSeq,
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IncludeCtrlSeq,
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ItemCtrlSeq,
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NewTheoremCtrlSeq,
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TheoremStyleCtrlSeq,
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CenteringCtrlSeq,
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BibliographyCtrlSeq,
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BibliographyStyleCtrlSeq,
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AuthorCtrlSeq,
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AffilCtrlSeq,
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AffiliationCtrlSeq,
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DateCtrlSeq,
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MaketitleCtrlSeq,
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TextColorCtrlSeq,
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ColorBoxCtrlSeq,
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HLineCtrlSeq,
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TopRuleCtrlSeq,
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MidRuleCtrlSeq,
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BottomRuleCtrlSeq,
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MultiColumnCtrlSeq,
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ParBoxCtrlSeq,
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TextBoldCtrlSeq,
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TextItalicCtrlSeq,
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TextSmallCapsCtrlSeq,
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TextTeletypeCtrlSeq,
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TextMediumCtrlSeq,
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TextSansSerifCtrlSeq,
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TextSuperscriptCtrlSeq,
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TextSubscriptCtrlSeq,
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TextStrikeOutCtrlSeq,
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EmphasisCtrlSeq,
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UnderlineCtrlSeq
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}
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@external specialize {EnvName} specializeEnvName from "./tokens.mjs" {
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DocumentEnvName,
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TabularEnvName,
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EquationEnvName,
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EquationArrayEnvName,
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VerbatimEnvName,
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TikzPictureEnvName,
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FigureEnvName,
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ListEnvName,
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TableEnvName
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}
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@external specialize {CtrlSym} specializeCtrlSym from "./tokens.mjs" {
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OpenParenCtrlSym,
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CloseParenCtrlSym,
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OpenBracketCtrlSym,
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CloseBracketCtrlSym,
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LineBreakCtrlSym
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}
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@tokens {
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CtrlSeq { "\\" $[a-zA-Z]+ }
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CtrlSym { "\\" ![a-zA-Z] }
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// tokens for paragraphs
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Whitespace { $[ \t]+ }
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NewLine { "\n" }
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BlankLine { "\n" "\n"+ }
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Normal { ![\\{}\[\]$&~#^_% \t\n] ![\\{}\[\]$&~#^_%\t\n]* } // everything is normal text, except these characters
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@precedence { CtrlSeq, CtrlSym, BlankLine, NewLine, Whitespace, Normal }
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OpenBrace[closedBy=CloseBrace] { "{" }
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CloseBrace[openedBy=OpenBrace] { "}" }
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OpenBracket[closedBy=CloseBracket] { "[" }
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CloseBracket[openedBy=OpenBracket] { "]" }
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Comment { "%" ![\n]* "\n"? }
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Dollar { "$" }
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Number { $[0-9]+ ("." $[0-9]*)? }
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MathSpecialChar { $[^_=<>()\-+/*]+ } // FIXME not all of these are special
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MathChar { ![0-9^_=<>()\-+/*\\{}\[\]$%&~ \t\n]+ }
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@precedence { Number, MathSpecialChar, MathChar }
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Ampersand { "&" }
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Tilde { "~" }
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EnvName { $[a-zA-Z]+ $[*]? }
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}
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@top LaTeX {
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Text
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}
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@skip { Comment }
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// TEXT MODE
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optionalWhitespace {
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!argument Whitespace
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}
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OptionalArgument {
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!argument OpenBracket ShortOptionalArg CloseBracket
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}
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TextArgument {
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!argument OpenBrace LongArg CloseBrace
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}
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SectioningArgument {
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!argument OpenBrace LongArg CloseBrace
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}
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LabelArgument {
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!argument ShortTextArgument
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}
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RefArgument {
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!argument ShortTextArgument
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}
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BibKeyArgument {
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!argument ShortTextArgument
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}
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PackageArgument {
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!argument ShortTextArgument
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}
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TabularArgument {
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!argument OpenBrace TabularContent CloseBrace
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}
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UrlArgument {
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OpenBrace LiteralArgContent CloseBrace
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}
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FilePathArgument {
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OpenBrace LiteralArgContent CloseBrace
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}
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BareFilePathArgument {
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Whitespace SpaceDelimitedLiteralArgContent
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}
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DefinitionArgument {
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!argument NewLine? Whitespace* OpenBrace DefinitionFragment? CloseBrace
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}
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MacroParameter {
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"#" ("1" | "2" | "3" | "4" | "5" | "6" | "7" | "8" | "9")
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}
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OptionalMacroParameter {
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OpenBracket MacroParameter CloseBracket
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}
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// The autocompletion code in services/web/frontend/js/features/source-editor/utils/tree-operations/commands.ts
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// depends on following the `KnownCommand { Command { CommandCtrlSeq [args] } }`
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// structure
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KnownCommand<ArgumentType> {
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Title {
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TitleCtrlSeq optionalWhitespace? OptionalArgument? TextArgument
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} |
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Author {
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AuthorCtrlSeq optionalWhitespace? OptionalArgument? optionalWhitespace? TextArgument
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} |
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Affil {
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AffilCtrlSeq optionalWhitespace? OptionalArgument? optionalWhitespace? TextArgument
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} |
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Affiliation {
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AffiliationCtrlSeq optionalWhitespace? OptionalArgument? optionalWhitespace? TextArgument
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} |
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Date {
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DateCtrlSeq optionalWhitespace? OptionalArgument? optionalWhitespace? ShortTextArgument
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} |
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DocumentClass {
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DocumentClassCtrlSeq optionalWhitespace? OptionalArgument?
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DocumentClassArgument { ShortTextArgument }
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} |
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BibliographyCommand {
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BibliographyCtrlSeq optionalWhitespace?
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BibliographyArgument { ShortTextArgument }
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} |
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BibliographyStyleCommand {
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BibliographyStyleCtrlSeq optionalWhitespace?
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BibliographyStyleArgument { ShortTextArgument }
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} |
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UsePackage {
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UsePackageCtrlSeq optionalWhitespace? OptionalArgument?
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PackageArgument
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} |
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TextColorCommand {
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TextColorCtrlSeq optionalWhitespace? ShortTextArgument optionalWhitespace? ArgumentType
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} |
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ColorBoxCommand {
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ColorBoxCtrlSeq optionalWhitespace? ShortTextArgument optionalWhitespace? ArgumentType
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} |
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HrefCommand {
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HrefCtrlSeq optionalWhitespace? UrlArgument ShortTextArgument
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} |
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NewTheoremCommand {
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NewTheoremCtrlSeq "*"? optionalWhitespace? ShortTextArgument ((OptionalArgument? TextArgument) | (TextArgument OptionalArgument))
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} |
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TheoremStyleCommand {
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TheoremStyleCtrlSeq optionalWhitespace? ShortTextArgument
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} |
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UrlCommand {
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UrlCtrlSeq optionalWhitespace? UrlArgument
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} |
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VerbCommand {
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VerbCtrlSeq VerbContent
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} |
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LstInlineCommand {
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LstInlineCtrlSeq optionalWhitespace? OptionalArgument? LstInlineContent
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} |
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IncludeGraphics {
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IncludeGraphicsCtrlSeq optionalWhitespace? OptionalArgument?
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IncludeGraphicsArgument { FilePathArgument }
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} |
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Caption {
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CaptionCtrlSeq "*"? optionalWhitespace? OptionalArgument? TextArgument
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} |
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Label {
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LabelCtrlSeq optionalWhitespace? LabelArgument
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} |
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Ref {
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(RefCtrlSeq | RefStarrableCtrlSeq "*"?) optionalWhitespace? OptionalArgument? optionalWhitespace? OptionalArgument? optionalWhitespace? RefArgument
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} |
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Cite {
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(CiteCtrlSeq | CiteStarrableCtrlSeq "*"?) optionalWhitespace? OptionalArgument? optionalWhitespace? OptionalArgument? optionalWhitespace? BibKeyArgument
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} |
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Def {
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// allow more general Csname argument to \def commands, since other symbols such as '@' are often used in definitions
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DefCtrlSeq optionalWhitespace? (Csname | CtrlSym) optionalWhitespace? (MacroParameter | OptionalMacroParameter)* optionalWhitespace? DefinitionArgument
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} |
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Let {
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LetCtrlSeq Csname optionalWhitespace? "="? optionalWhitespace? Csname
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} |
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Hbox {
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HboxCtrlSeq optionalWhitespace? TextArgument
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} |
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NewCommand {
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NewCommandCtrlSeq optionalWhitespace?
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(Csname | OpenBrace LiteralArgContent CloseBrace)
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(OptionalArgument)*
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DefinitionArgument
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} |
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RenewCommand {
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RenewCommandCtrlSeq optionalWhitespace?
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(Csname | OpenBrace LiteralArgContent CloseBrace)
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(OptionalArgument)*
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DefinitionArgument
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} |
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NewEnvironment {
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NewEnvironmentCtrlSeq optionalWhitespace?
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(OpenBrace LiteralArgContent CloseBrace)
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(OptionalArgument)*
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DefinitionArgument
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DefinitionArgument
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} |
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RenewEnvironment {
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RenewEnvironmentCtrlSeq optionalWhitespace?
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(Csname | OpenBrace LiteralArgContent CloseBrace)
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(OptionalArgument)*
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DefinitionArgument
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DefinitionArgument
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} |
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Input {
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InputCtrlSeq InputArgument { ( FilePathArgument | BareFilePathArgument ) }
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} |
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Include {
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IncludeCtrlSeq IncludeArgument { FilePathArgument }
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} |
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Centering {
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CenteringCtrlSeq
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} |
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Item {
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ItemCtrlSeq OptionalArgument? optionalWhitespace?
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} |
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Maketitle {
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MaketitleCtrlSeq optionalWhitespace?
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} |
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HorizontalLine {
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(HLineCtrlSeq | TopRuleCtrlSeq | MidRuleCtrlSeq | BottomRuleCtrlSeq) optionalWhitespace?
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} |
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MultiColumn {
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MultiColumnCtrlSeq
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optionalWhitespace? SpanArgument { ShortTextArgument }
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optionalWhitespace? ColumnArgument { ShortTextArgument }
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optionalWhitespace? TabularArgument
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} |
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MathTextCommand {
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MathTextCtrlSeq optionalWhitespace? "*"? TextArgument
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} |
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ParBoxCommand {
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ParBoxCtrlSeq
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(optionalWhitespace? OptionalArgument)*
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ShortTextArgument
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optionalWhitespace? TextArgument
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} |
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TextBoldCommand {
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TextBoldCtrlSeq TextArgument
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} |
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TextItalicCommand {
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TextItalicCtrlSeq TextArgument
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} |
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TextSmallCapsCommand {
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TextSmallCapsCtrlSeq TextArgument
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} |
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TextTeletypeCommand {
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TextTeletypeCtrlSeq TextArgument
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} |
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TextMediumCommand {
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TextMediumCtrlSeq TextArgument
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} |
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TextSansSerifCommand {
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TextSansSerifCtrlSeq TextArgument
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} |
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TextSuperscriptCommand {
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TextSuperscriptCtrlSeq TextArgument
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} |
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TextSubscriptCommand {
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TextSubscriptCtrlSeq TextArgument
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} |
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StrikeOutCommand {
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TextStrikeOutCtrlSeq ArgumentType
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} |
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EmphasisCommand {
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EmphasisCtrlSeq ArgumentType
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} |
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UnderlineCommand {
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UnderlineCtrlSeq ArgumentType
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}
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}
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UnknownCommand {
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(CtrlSeq !argument Whitespace (OptionalArgument | TextArgument)+)
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| (CtrlSeq (OptionalArgument | TextArgument)+)
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| CtrlSeq Whitespace?
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| CtrlSym
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}
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Command {
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KnownCommand<TextArgument>
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| UnknownCommand
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| KnownCtrlSym
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// Not technically allowed in normal mode, but not worth failing the parse over
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| LeftCtrlSeq
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| RightCtrlSeq
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}
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KnownCtrlSym {
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LineBreak {
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LineBreakCtrlSym OptionalArgument?
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}
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}
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textBase {
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( Command
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| DollarMath
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| BracketMath
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| ParenMath
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| NewLine
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| Normal
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| Whitespace
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| Ampersand
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| Tilde
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)
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}
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textWithBrackets {
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( textBase
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| OpenBracket
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| CloseBracket
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)
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}
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textWithEnvironmentsAndBlankLines {
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( BlankLine
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| KnownEnvironment
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| Environment
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| textWithBrackets
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)
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}
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textWithGroupsEnvironmentsAndBlankLines {
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textWithEnvironmentsAndBlankLines
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| Group<Text>
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}
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Content<Element> {
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Element
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}
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SectioningCommand<Command> {
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Command optionalWhitespace? "*"? optionalWhitespace? OptionalArgument? optionalWhitespace? SectioningArgument
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}
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documentSection<Command, Next> {
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SectioningCommand<Command> Content<(sectionText | !section Next)*>
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}
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Book[@isGroup="$SectioningCommand"] { documentSection<BookCtrlSeq, Part | Chapter | Section | SubSection | SubSubSection | Paragraph | SubParagraph> }
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Part[@isGroup="$SectioningCommand"] { documentSection<PartCtrlSeq, Chapter | Section | SubSection | SubSubSection | Paragraph | SubParagraph> }
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Chapter[@isGroup="$SectioningCommand"] { documentSection<ChapterCtrlSeq, Section | SubSection | SubSubSection | Paragraph | SubParagraph> }
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Section[@isGroup="$SectioningCommand"] { documentSection<SectionCtrlSeq, SubSection | SubSubSection | Paragraph | SubParagraph> }
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SubSection[@isGroup="$SectioningCommand"] { documentSection<SubSectionCtrlSeq, SubSubSection | Paragraph | SubParagraph> }
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SubSubSection[@isGroup="$SectioningCommand"] { documentSection<SubSubSectionCtrlSeq, Paragraph | SubParagraph> }
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Paragraph[@isGroup="$SectioningCommand"] { documentSection<ParagraphCtrlSeq, SubParagraph> }
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SubParagraph[@isGroup="$SectioningCommand"] { SectioningCommand<SubParagraphCtrlSeq> Content<sectionText*> }
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sectioningCommand {
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Book | Part | Chapter | Section | SubSection | SubSubSection | Paragraph | SubParagraph
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}
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sectionText {
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!section (
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textWithGroupsEnvironmentsAndBlankLines
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)+
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}
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Text {
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( sectionText
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| sectioningCommand)+
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}
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LongArg {
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( textWithBrackets
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| NonEmptyGroup<LongArg>
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| KnownEnvironment
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| Environment
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| BlankLine
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| "#" // macro character
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| "_" | "^" // other math chars
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)*
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}
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ShortTextArgument {
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OpenBrace ShortArg CloseBrace
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}
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ShortArg {
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( textWithBrackets
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| NonEmptyGroup<ShortArg>
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| "#" // macro character
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| "_" | "^" // other math chars
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)*
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}
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ShortOptionalArg {
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( textBase
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| NonEmptyGroup<ShortOptionalArg>
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| "#" // macro character
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| "_" // underscore is used in some parameter names
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)*
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}
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TikzPictureContent { /// same as Text but with added allowed characters
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( textWithEnvironmentsAndBlankLines
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| NonEmptyGroup<TikzPictureContent>
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| "#" // macro character
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| "_" | "^" // other math chars
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)+
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}
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DefinitionFragment {
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( DefinitionFragmentCommand
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| Begin
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| End
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| Group<DefinitionFragment>
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| Dollar
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| OpenParenCtrlSym
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| CloseParenCtrlSym
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| OpenBracketCtrlSym
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| CloseBracketCtrlSym
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| LeftCtrlSeq
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| RightCtrlSeq
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| BlankLine
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| NewLine
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| Normal
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| Whitespace
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| OpenBracket
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| CloseBracket
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| "#" // macro character
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| Ampersand // for tables
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| Tilde // unbreakable space
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| "_" | "^" // other math chars
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| SectioningCommand<
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BookCtrlSeq |
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PartCtrlSeq |
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ChapterCtrlSeq |
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SectionCtrlSeq |
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SubSectionCtrlSeq |
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SubSubSectionCtrlSeq |
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ParagraphCtrlSeq |
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SubParagraphCtrlSeq
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>
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)+
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}
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DefinitionFragmentArgument {
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OpenBrace DefinitionFragment? CloseBrace
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}
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DefinitionFragmentCommand {
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KnownCommand<TextArgument>
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| DefinitionFragmentUnknownCommand { genericUnknownCommandWithOptionalArguments<DefinitionFragmentArgument, OptionalArgument> }
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| KnownCtrlSym
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}
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KnownEnvironment {
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( DocumentEnvironment
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| TabularEnvironment
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| EquationEnvironment
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| EquationArrayEnvironment
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| VerbatimEnvironment
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| TikzPictureEnvironment
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| FigureEnvironment
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| ListEnvironment
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| TableEnvironment
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|
)
|
|
}
|
|
|
|
BeginEnv<name> {
|
|
Begin
|
|
EnvNameGroup<name>
|
|
OptionalArgument?
|
|
(!argument TextArgument)*
|
|
}
|
|
|
|
EndEnv<name> {
|
|
End
|
|
EnvNameGroup<name>
|
|
}
|
|
|
|
DocumentEnvironment[@isGroup="$Environment"] {
|
|
BeginEnv<DocumentEnvName>
|
|
Content<Text>
|
|
EndEnv<DocumentEnvName>
|
|
(TrailingWhitespaceOnly | TrailingContent)?
|
|
}
|
|
|
|
TabularContent {
|
|
(textWithGroupsEnvironmentsAndBlankLines)*
|
|
}
|
|
|
|
TabularEnvironment[@isGroup="$Environment"] {
|
|
BeginEnv<TabularEnvName>
|
|
Content<TabularContent>
|
|
EndEnv<TabularEnvName>
|
|
}
|
|
|
|
TableEnvironment[@isGroup="$Environment"] {
|
|
BeginEnv<TableEnvName>
|
|
Content<Text>
|
|
EndEnv<TableEnvName>
|
|
}
|
|
|
|
EquationEnvironment[@isGroup="$Environment"] {
|
|
BeginEnv<EquationEnvName>
|
|
Content<Math?>
|
|
EndEnv<EquationEnvName>
|
|
}
|
|
|
|
EquationArrayEnvironment[@isGroup="$Environment"] {
|
|
BeginEnv<EquationArrayEnvName>
|
|
Content<Math?>
|
|
EndEnv<EquationArrayEnvName>
|
|
}
|
|
|
|
VerbatimEnvironment[@isGroup="$Environment"] {
|
|
BeginEnv<VerbatimEnvName>
|
|
Content<VerbatimContent>
|
|
EndEnv<VerbatimEnvName>
|
|
}
|
|
|
|
TikzPictureEnvironment[@isGroup="$Environment"] {
|
|
BeginEnv<TikzPictureEnvName>
|
|
Content<TikzPictureContent>
|
|
EndEnv<TikzPictureEnvName>
|
|
}
|
|
|
|
FigureEnvironment[@isGroup="$Environment"] {
|
|
BeginEnv<FigureEnvName>
|
|
Content<Text>
|
|
EndEnv<FigureEnvName>
|
|
}
|
|
|
|
ListEnvironment[@isGroup="$Environment"] {
|
|
BeginEnv<ListEnvName>
|
|
Content<Text>
|
|
EndEnv<ListEnvName>
|
|
}
|
|
|
|
EnvNameGroup<name> {
|
|
OpenBrace name CloseBrace
|
|
}
|
|
|
|
Environment[@isGroup="$Environment"] {
|
|
BeginEnv<EnvName?>
|
|
Content<Text>
|
|
EndEnv<EnvName?>
|
|
}
|
|
|
|
Group<GroupContent> {
|
|
OpenBrace GroupContent? CloseBrace
|
|
}
|
|
|
|
NonEmptyGroup<GroupContent> {
|
|
OpenBrace GroupContent CloseBrace
|
|
}
|
|
|
|
/// MATH MODE
|
|
|
|
DollarMath {
|
|
Dollar (InlineMath | DisplayMath) Dollar
|
|
}
|
|
|
|
InlineMath {
|
|
Math
|
|
}
|
|
|
|
DisplayMath {
|
|
Dollar Math? Dollar
|
|
}
|
|
|
|
|
|
OpenParenMath[closedBy=CloseParenMath] {
|
|
OpenParenCtrlSym
|
|
}
|
|
|
|
CloseParenMath[openedBy=OpenParenMath] {
|
|
CloseParenCtrlSym
|
|
}
|
|
|
|
// alternative syntax \( math \) for inline math, it is the same as $ math $
|
|
ParenMath {
|
|
OpenParenMath
|
|
Math?
|
|
CloseParenMath
|
|
}
|
|
|
|
OpenBracketMath[closedBy=CloseBracketMath] {
|
|
OpenBracketCtrlSym
|
|
}
|
|
|
|
CloseBracketMath[openedBy=OpenBracketMath] {
|
|
CloseBracketCtrlSym
|
|
}
|
|
|
|
// alternative syntax \[ math \] for display math, it is the same as $$ math $$
|
|
BracketMath {
|
|
OpenBracketMath
|
|
Math?
|
|
CloseBracketMath
|
|
}
|
|
|
|
// FIXME: we should have separate math modes for inline and display math,
|
|
// because display math can contain blank lines while inline math cannot.
|
|
|
|
Math {
|
|
( MathCommand
|
|
| Group<Math>
|
|
| MathDelimitedGroup
|
|
| MathSpecialChar
|
|
| Number
|
|
| NewLine
|
|
| Whitespace
|
|
| KnownEnvironment
|
|
| Environment
|
|
| MathChar
|
|
| OpenBracket
|
|
| CloseBracket
|
|
| Ampersand
|
|
| Tilde
|
|
)+
|
|
}
|
|
|
|
|
|
MathCommand {
|
|
KnownCommand<MathArgument>
|
|
| MathUnknownCommand { genericUnknownCommand<MathArgument> }
|
|
| KnownCtrlSym
|
|
}
|
|
|
|
@external tokens argumentListTokenizer from "./tokens.mjs" {
|
|
hasMoreArguments,
|
|
endOfArguments
|
|
}
|
|
|
|
@external tokens argumentListWithOptionalTokenizer from "./tokens.mjs" {
|
|
hasMoreArgumentsOrOptionals,
|
|
endOfArgumentsAndOptionals
|
|
}
|
|
|
|
genericUnknownCommand<ArgumentType> {
|
|
CtrlSeq (hasMoreArguments optionalWhitespace? ArgumentType)* endOfArguments
|
|
| CtrlSym
|
|
}
|
|
|
|
genericUnknownCommandWithOptionalArguments<ArgumentType, OptionalArgumentType> {
|
|
CtrlSeq (hasMoreArgumentsOrOptionals optionalWhitespace? (ArgumentType | OptionalArgumentType))* endOfArgumentsAndOptionals
|
|
| CtrlSym
|
|
}
|
|
|
|
MathArgument {
|
|
OpenBrace Math? CloseBrace
|
|
}
|
|
|
|
MathDelimitedGroup {
|
|
MathOpening Math? MathClosing
|
|
}
|
|
|
|
// FIXME: we have the same problem with specialize on \left,\right as the delimiters
|
|
MathOpening {
|
|
LeftCtrlSeq optionalWhitespace? MathDelimiter
|
|
}
|
|
|
|
MathClosing {
|
|
RightCtrlSeq optionalWhitespace? MathDelimiter
|
|
}
|
|
|
|
MathDelimiter {
|
|
// Allowed delimiters, from the LaTeX manual, table 3.10
|
|
"/" | "|" | "(" | ")" | "[" | "]" |
|
|
"\\{" | "\\}" | "\\|" |
|
|
"\\lfloor" | "\\rfloor" |
|
|
"\\lceil" | "\\rceil" |
|
|
"\\langle" | "\\rangle" |
|
|
"\\backslash" | "\\uparrow" |
|
|
"\\Uparrow" | "\\Downarrow" |
|
|
"\\updownarrow" | "\\Updownarrow" |
|
|
"\\downarrow" | "\\lvert" |
|
|
"\\lVert" | "\\rVert" |
|
|
"\\rvert" | "\\vert" | "\\Vert" |
|
|
"\\lbrace" | "\\rbrace" |
|
|
"\\lbrack" | "\\rbrack" |
|
|
// Also allow the empty match
|
|
"."
|
|
}
|
|
|
|
// NOTE: precedence works differently for rules and token, in the rule
|
|
// you have to give a specifier !foo which is defined in the @precedence
|
|
// block here.
|
|
|
|
@precedence {
|
|
section @left,
|
|
argument @left // make CtrlSeq arguments left associative
|
|
}
|