    {- This module was generated from data in the Kate syntax highlighting file latex.xml, version 1.26,
       by  Jeroen Wijnhout (Jeroen.Wijnhout@kdemail.net)+Holger Danielsson (holger.danielsson@versanet.de)+Michel Ludwig (michel.ludwig@kdemail.net) -}

    module Text.Highlighting.Kate.Syntax.Latex ( highlight, parseExpression, syntaxName, syntaxExtensions ) where
    import Text.Highlighting.Kate.Definitions
    import Text.Highlighting.Kate.Common
    import Text.ParserCombinators.Parsec
    import Data.List (nub)
    import Data.Map (fromList)
    import Data.Maybe (fromMaybe)

    -- | Full name of language.
    syntaxName :: String
    syntaxName = "LaTeX"

    -- | Filename extensions for this language.
    syntaxExtensions :: String
    syntaxExtensions = "*.tex; *.ltx; *.dtx; *.sty; *.cls;"

    -- | Highlight source code using this syntax definition.
    highlight :: String -> Either String [SourceLine]
    highlight input =
      case runParser parseSource startingState "source" input of
        Left err     -> Left $ show err
        Right result -> Right result

    -- | Parse an expression using appropriate local context.
    parseExpression :: GenParser Char SyntaxState LabeledSource
    parseExpression = do
      st <- getState
      let oldLang = synStLanguage st
      setState $ st { synStLanguage = "LaTeX" }
      context <- currentContext <|> (pushContext "Normal Text" >> currentContext)
      result <- parseRules context
      updateState $ \st -> st { synStLanguage = oldLang }
      return result

    parseSource = do
      lineContents <- lookAhead wholeLine
      updateState $ \st -> st { synStCurrentLine = lineContents }
      result <- manyTill parseSourceLine eof
      return $ map normalizeHighlighting result

    startingState = SyntaxState {synStContexts = fromList [("LaTeX",["Normal Text"])], synStLanguage = "LaTeX", synStCurrentLine = "", synStCharsParsedInLine = 0, synStCaseSensitive = True, synStKeywordCaseSensitive = True, synStCaptures = []}

    parseSourceLine = manyTill parseExpressionInternal pEndLine

    pEndLine = do
      newline <|> (eof >> return '\n')
      context <- currentContext
      case context of
        "Normal Text" -> return ()
        "Sectioning" -> return ()
        "SectioningInside" -> return ()
        "SectioningContrSeq" -> (popContext >> return ())
        "SectioningMathMode" -> return ()
        "SectioningMathContrSeq" -> (popContext >> return ())
        "NewCommand" -> return ()
        "DefCommand" -> return ()
        "CommandParameterStart" -> return ()
        "CommandParameter" -> return ()
        "ContrSeq" -> (popContext >> return ())
        "ToEndOfLine" -> (popContext >> return ())
        "Verb" -> (popContext >> popContext >> return ())
        "VerbEnd" -> (popContext >> popContext >> popContext >> return ())
        "Label" -> return ()
        "LabelOption" -> return ()
        "LabelParameter" -> return ()
        "FindEnvironment" -> return ()
        "Environment" -> return ()
        "LatexEnv" -> return ()
        "VerbatimEnv" -> return ()
        "VerbatimEnvParam" -> return ()
        "Verbatim" -> return ()
        "VerbFindEnd" -> (popContext >> return ())
        "MathEnv" -> return ()
        "MathEnvParam" -> return ()
        "EnvCommon" -> return ()
        "MathModeEnv" -> return ()
        "MathFindEnd" -> (popContext >> return ())
        "MathMode" -> return ()
        "MathModeDisplay" -> return ()
        "MathModeEquation" -> return ()
        "MathModeCommon" -> return ()
        "MathContrSeq" -> (popContext >> return ())
        "MathModeText" -> return ()
        "MathModeTextParameterStart" -> return ()
        "MathModeTextParameter" -> return ()
        "Comment" -> (popContext >> return ())
        _ -> return ()
      lineContents <- lookAhead wholeLine
      updateState $ \st -> st { synStCurrentLine = lineContents, synStCharsParsedInLine = 0 }

    withAttribute attr txt = do
      if null txt
         then fail "Parser matched no text"
         else return ()
      let style = fromMaybe "" $ lookup attr styles
      st <- getState
      let oldCharsParsed = synStCharsParsedInLine st
      updateState $ \st -> st { synStCharsParsedInLine = oldCharsParsed + length txt }
      return (nub [style, attr], txt)

    styles = [("Normal Text","Normal"),("Keyword","Normal"),("Comment","Comment"),("Error","Alert"),("Math","Normal"),("Structure","Normal"),("Keyword Mathmode","Normal"),("Environment","Normal"),("Verbatim","Normal"),("Region Marker","RegionMarker"),("Bullet","Normal"),("Alert","Alert"),("Structure Text","Normal"),("Structure Keyword","Normal"),("Structure Math","Normal"),("Structure Keyword Mathmode","Normal")]

    parseExpressionInternal = do
      context <- currentContext
      parseRules context <|> (pDefault >>= withAttribute (fromMaybe "" $ lookup context defaultAttributes))

    defaultAttributes = [("Normal Text","Normal Text"),("Sectioning","Normal Text"),("SectioningInside","Structure Text"),("SectioningContrSeq","Keyword"),("SectioningMathMode","Structure Math"),("SectioningMathContrSeq","Structure Keyword Mathmode"),("NewCommand","Normal Text"),("DefCommand","Normal Text"),("CommandParameterStart","Normal Text"),("CommandParameter","Normal Text"),("ContrSeq","Keyword"),("ToEndOfLine","Normal Text"),("Verb","Verbatim"),("VerbEnd","Verbatim"),("Label","Normal Text"),("LabelOption","Normal Text"),("LabelParameter","Environment"),("FindEnvironment","Normal Text"),("Environment","Environment"),("LatexEnv","Environment"),("VerbatimEnv","Environment"),("VerbatimEnvParam","Normal Text"),("Verbatim","Verbatim"),("VerbFindEnd","Normal Text"),("MathEnv","Environment"),("MathEnvParam","Normal Text"),("EnvCommon","Environment"),("MathModeEnv","Math"),("MathFindEnd","Normal Text"),("MathMode","Math"),("MathModeDisplay","Math"),("MathModeEquation","Math"),("MathModeCommon","Math"),("MathContrSeq","Keyword Mathmode"),("MathModeText","Normal Text"),("MathModeTextParameterStart","Normal Text"),("MathModeTextParameter","Normal Text"),("Comment","Comment")]

    parseRules "Normal Text" =
      do (attr, result) <- (((pRegExpr (compileRegex "\\\\begin(?=[^a-zA-Z])") >>= withAttribute "Structure") >>~ pushContext "FindEnvironment")
                            <|>
                            ((pRegExpr (compileRegex "\\\\end(?=[^a-zA-Z])") >>= withAttribute "Structure") >>~ pushContext "FindEnvironment")
                            <|>
                            ((pRegExpr (compileRegex "\\\\(label|pageref|ref|vpageref|vref|cite)(?=[^a-zA-Z])") >>= withAttribute "Structure") >>~ pushContext "Label")
                            <|>
                            ((pRegExpr (compileRegex "\\\\(part|chapter|section|subsection|subsubsection|paragraph|subparagraph)\\*?\\s*(?=[\\{\\[])") >>= withAttribute "Structure") >>~ pushContext "Sectioning")
                            <|>
                            ((pRegExpr (compileRegex "\\\\(re)?newcommand(?=[^a-zA-Z])") >>= withAttribute "Keyword") >>~ pushContext "NewCommand")
                            <|>
                            ((pRegExpr (compileRegex "\\\\(e|g|x)?def(?=[^a-zA-Z])") >>= withAttribute "Keyword") >>~ pushContext "DefCommand")
                            <|>
                            ((pString False "\\(" >>= withAttribute "Math") >>~ pushContext "MathMode")
                            <|>
                            ((pString False "\\[" >>= withAttribute "Math") >>~ pushContext "MathModeEquation")
                            <|>
                            ((pDetectChar False '\\' >>= withAttribute "Keyword") >>~ pushContext "ContrSeq")
                            <|>
                            ((pString False "$$" >>= withAttribute "Math") >>~ pushContext "MathModeDisplay")
                            <|>
                            ((pDetectChar False '$' >>= withAttribute "Math") >>~ pushContext "MathMode")
                            <|>
                            ((pFirstNonSpace >> pRegExpr (compileRegex "%\\s*BEGIN.*$") >>= withAttribute "Region Marker"))
                            <|>
                            ((pFirstNonSpace >> pRegExpr (compileRegex "%\\s*END.*$") >>= withAttribute "Region Marker"))
                            <|>
                            ((pDetectChar False '%' >>= withAttribute "Comment") >>~ pushContext "Comment")
                            <|>
                            ((pDetectChar False '\215' >>= withAttribute "Bullet")))
         return (attr, result)

    parseRules "Sectioning" =
      do (attr, result) <- (((pRegExpr (compileRegex "\\[[^\\]]*\\]") >>= withAttribute "Normal Text"))
                            <|>
                            ((pDetectChar False ' ' >>= withAttribute "Normal Text"))
                            <|>
                            ((pDetectChar False '{' >>= withAttribute "Normal Text") >>~ pushContext "SectioningInside")
                            <|>
                            ((pDetectChar False '}' >>= withAttribute "Normal Text") >>~ (popContext >> return ()))
                            <|>
                            ((pDetectChar False '%' >>= withAttribute "Comment") >>~ pushContext "Comment")
                            <|>
                            ((popContext >> return ()) >> return ([], "")))
         return (attr, result)

    parseRules "SectioningInside" =
      do (attr, result) <- (((pDetectChar False '{' >>= withAttribute "Normal Text") >>~ pushContext "SectioningInside")
                            <|>
                            ((pDetectChar False '}' >>= withAttribute "Normal Text") >>~ (popContext >> return ()))
                            <|>
                            ((pString False "\\(" >>= withAttribute "Structure Math") >>~ pushContext "SectioningMathMode")
                            <|>
                            ((pDetectChar False '\\' >>= withAttribute "Structure Keyword") >>~ pushContext "SectioningContrSeq")
                            <|>
                            ((pDetectChar False '$' >>= withAttribute "Structure Math") >>~ pushContext "SectioningMathMode")
                            <|>
                            ((pDetectChar False '%' >>= withAttribute "Comment") >>~ pushContext "Comment")
                            <|>
                            ((pDetectChar False '\215' >>= withAttribute "Bullet")))
         return (attr, result)

    parseRules "SectioningContrSeq" =
      do (attr, result) <- (((pDetectChar False '\215' >>= withAttribute "Bullet"))
                            <|>
                            ((pRegExpr (compileRegex "[a-zA-Z]+(\\+?|\\*{0,3})") >>= withAttribute "Structure Keyword") >>~ (popContext >> return ()))
                            <|>
                            ((pRegExpr (compileRegex "[^a-zA-Z]") >>= withAttribute "Structure Keyword") >>~ (popContext >> return ())))
         return (attr, result)

    parseRules "SectioningMathMode" =
      do (attr, result) <- (((pString False "$$" >>= withAttribute "Error"))
                            <|>
                            ((pDetectChar False '$' >>= withAttribute "Structure Math") >>~ (popContext >> return ()))
                            <|>
                            ((pDetect2Chars False '\\' ')' >>= withAttribute "Structure Math") >>~ (popContext >> return ()))
                            <|>
                            ((pDetect2Chars False '\\' ']' >>= withAttribute "Error"))
                            <|>
                            ((pDetectChar False '\\' >>= withAttribute "Structure Keyword Mathmode") >>~ pushContext "SectioningMathContrSeq")
                            <|>
                            ((pDetectChar False '%' >>= withAttribute "Comment") >>~ pushContext "Comment")
                            <|>
                            ((pDetectChar False '\215' >>= withAttribute "Bullet")))
         return (attr, result)

    parseRules "SectioningMathContrSeq" =
      do (attr, result) <- (((pDetectChar False '\215' >>= withAttribute "Bullet"))
                            <|>
                            ((pRegExpr (compileRegex "[a-zA-Z]+\\*?") >>= withAttribute "Structure Keyword Mathmode") >>~ (popContext >> return ()))
                            <|>
                            ((pRegExpr (compileRegex "[^a-zA-Z]") >>= withAttribute "Structure Keyword Mathmode") >>~ (popContext >> return ())))
         return (attr, result)

    parseRules "NewCommand" =
      do (attr, result) <- (((pRegExpr (compileRegex "\\s*\\{\\s*\\\\[a-zA-Z]+\\s*\\}(\\[\\d\\](\\[[^\\]]+\\])?)?\\{") >>= withAttribute "Normal Text") >>~ pushContext "CommandParameterStart")
                            <|>
                            ((pDetectChar False '}' >>= withAttribute "Error") >>~ (popContext >> return ()))
                            <|>
                            ((popContext >> return ()) >> return ([], "")))
         return (attr, result)

    parseRules "DefCommand" =
      do (attr, result) <- (((pRegExpr (compileRegex "\\s*\\\\[a-zA-Z]+[^\\{]*\\{") >>= withAttribute "Normal Text") >>~ pushContext "CommandParameterStart")
                            <|>
                            ((pDetectChar False '}' >>= withAttribute "Error") >>~ (popContext >> return ()))
                            <|>
                            ((popContext >> return ()) >> return ([], "")))
         return (attr, result)

    parseRules "CommandParameterStart" =
      do (attr, result) <- (((pDetectChar False '{' >>= withAttribute "Normal Text") >>~ pushContext "CommandParameter")
                            <|>
                            ((pDetectChar False '}' >>= withAttribute "Normal Text") >>~ (popContext >> popContext >> return ()))
                            <|>
                            ((pRegExpr (compileRegex "\\\\.") >>= withAttribute "Normal Text"))
                            <|>
                            ((pDetectChar False '%' >>= withAttribute "Comment") >>~ pushContext "Comment"))
         return (attr, result)

    parseRules "CommandParameter" =
      do (attr, result) <- (((pDetectChar False '{' >>= withAttribute "Normal Text") >>~ pushContext "CommandParameter")
                            <|>
                            ((pDetectChar False '}' >>= withAttribute "Normal Text") >>~ (popContext >> return ()))
                            <|>
                            ((pRegExpr (compileRegex "\\\\.") >>= withAttribute "Normal Text"))
                            <|>
                            ((pDetectChar False '%' >>= withAttribute "Comment") >>~ pushContext "Comment"))
         return (attr, result)

    parseRules "ContrSeq" =
      do (attr, result) <- (((pString False "verb*" >>= withAttribute "Keyword") >>~ pushContext "Verb")
                            <|>
                            ((pRegExpr (compileRegex "verb(?=[^a-zA-Z])") >>= withAttribute "Keyword") >>~ pushContext "Verb")
                            <|>
                            ((pDetectChar False '\215' >>= withAttribute "Bullet"))
                            <|>
                            ((pRegExpr (compileRegex "[a-zA-Z]+(\\+?|\\*{0,3})") >>= withAttribute "Keyword") >>~ (popContext >> return ()))
                            <|>
                            ((pRegExpr (compileRegex "[^a-zA-Z]") >>= withAttribute "Keyword") >>~ (popContext >> return ())))
         return (attr, result)

    parseRules "ToEndOfLine" =
      pzero

    parseRules "Verb" =
      do (attr, result) <- ((pRegExprDynamic "(.)" >>= withAttribute "Normal Text") >>~ pushContext "VerbEnd")
         return (attr, result)

    parseRules "VerbEnd" =
      do (attr, result) <- (((pString True "%1" >>= withAttribute "Normal Text") >>~ (popContext >> popContext >> popContext >> return ()))
                            <|>
                            ((pDetectChar False '\215' >>= withAttribute "Bullet"))
                            <|>
                            ((pRegExprDynamic "[^%1\\xd7]*" >>= withAttribute "Verbatim")))
         return (attr, result)

    parseRules "Label" =
      do (attr, result) <- (((pRegExpr (compileRegex "\\s*\\{\\s*") >>= withAttribute "Normal Text") >>~ pushContext "LabelParameter")
                            <|>
                            ((pRegExpr (compileRegex "\\s*\\[\\s*") >>= withAttribute "Normal Text") >>~ pushContext "LabelOption")
                            <|>
                            ((pRegExpr (compileRegex "[^\\[\\{]+") >>= withAttribute "Error")))
         return (attr, result)

    parseRules "LabelOption" =
      do (attr, result) <- (((pString False "\\(" >>= withAttribute "Math") >>~ pushContext "MathMode")
                            <|>
                            ((pDetectChar False '\\' >>= withAttribute "Keyword") >>~ pushContext "ContrSeq")
                            <|>
                            ((pDetectChar False '$' >>= withAttribute "Math") >>~ pushContext "MathMode")
                            <|>
                            ((pDetectChar False '%' >>= withAttribute "Comment") >>~ pushContext "Comment")
                            <|>
                            ((pDetectChar False '\215' >>= withAttribute "Bullet"))
                            <|>
                            ((pRegExpr (compileRegex "\\s*\\]\\s*") >>= withAttribute "Normal Text") >>~ (popContext >> return ())))
         return (attr, result)

    parseRules "LabelParameter" =
      do (attr, result) <- (((pDetectChar False '\215' >>= withAttribute "Bullet"))
                            <|>
                            ((pRegExpr (compileRegex "\\s*\\}\\s*") >>= withAttribute "Normal Text") >>~ (popContext >> popContext >> return ())))
         return (attr, result)

    parseRules "FindEnvironment" =
      do (attr, result) <- (((pDetectChar False '{' >>= withAttribute "Normal Text") >>~ pushContext "Environment")
                            <|>
                            ((pRegExpr (compileRegex "\\S") >>= withAttribute "Normal Text") >>~ (popContext >> return ())))
         return (attr, result)

    parseRules "Environment" =
      do (attr, result) <- (((pRegExpr (compileRegex "(lstlisting|(B|L)?Verbatim)") >>= withAttribute "Environment") >>~ pushContext "VerbatimEnvParam")
                            <|>
                            ((pRegExpr (compileRegex "(verbatim|boxedverbatim)") >>= withAttribute "Environment") >>~ pushContext "VerbatimEnv")
                            <|>
                            ((pRegExpr (compileRegex "(equation|displaymath|eqnarray|subeqnarray|math|multline|gather|align|flalign)") >>= withAttribute "Environment") >>~ pushContext "MathEnv")
                            <|>
                            ((pRegExpr (compileRegex "(alignat|xalignat|xxalignat)") >>= withAttribute "Environment") >>~ pushContext "MathEnvParam")
                            <|>
                            ((pDetectChar False '\215' >>= withAttribute "Bullet"))
                            <|>
                            ((pRegExpr (compileRegex "[a-zA-Z]") >>= withAttribute "Environment") >>~ pushContext "LatexEnv")
                            <|>
                            ((pRegExpr (compileRegex "\\s+") >>= withAttribute "Error") >>~ (popContext >> return ()))
                            <|>
                            ((pRegExpr (compileRegex "[^a-zA-Z\\xd7]") >>= withAttribute "Error") >>~ (popContext >> return ())))
         return (attr, result)

    parseRules "LatexEnv" =
      do (attr, result) <- (((pDetectChar False '}' >>= withAttribute "Normal Text") >>~ (popContext >> popContext >> popContext >> return ()))
                            <|>
                            ((pRegExpr (compileRegex "[a-zA-Z]+") >>= withAttribute "Environment"))
                            <|>
                            ((pRegExpr (compileRegex "\\s+") >>= withAttribute "Error"))
                            <|>
                            ((parseRules "EnvCommon")))
         return (attr, result)

    parseRules "VerbatimEnv" =
      do (attr, result) <- (((pDetectChar False '}' >>= withAttribute "Normal Text") >>~ pushContext "Verbatim")
                            <|>
                            ((lookAhead (pRegExpr (compileRegex "[a-zA-Z]")) >> return ([],"") ) >>~ (popContext >> return ()))
                            <|>
                            ((parseRules "EnvCommon"))
                            <|>
                            ((popContext >> popContext >> popContext >> return ()) >> return ([], "")))
         return (attr, result)

    parseRules "VerbatimEnvParam" =
      do (attr, result) <- (((pDetect2Chars False '}' '[' >>= withAttribute "Normal Text"))
                            <|>
                            ((pDetectChar False '}' >>= withAttribute "Normal Text") >>~ pushContext "Verbatim")
                            <|>
                            ((pDetectChar False ']' >>= withAttribute "Normal Text") >>~ pushContext "Verbatim"))
         return (attr, result)

    parseRules "Verbatim" =
      do (attr, result) <- (((pDetectChar False '\215' >>= withAttribute "Bullet"))
                            <|>
                            ((pRegExpr (compileRegex "\\\\end(?=\\s*\\{(verbatim|lstlisting|boxedverbatim|(B|L)?Verbatim)\\*?\\})") >>= withAttribute "Structure") >>~ pushContext "VerbFindEnd"))
         return (attr, result)

    parseRules "VerbFindEnd" =
      do (attr, result) <- (((pRegExpr (compileRegex "\\s*\\{") >>= withAttribute "Normal Text"))
                            <|>
                            ((pRegExpr (compileRegex "(verbatim|lstlisting|boxedverbatim|(B|L)?Verbatim)\\*?") >>= withAttribute "Environment"))
                            <|>
                            ((pDetectChar False '}' >>= withAttribute "Normal Text") >>~ (popContext >> popContext >> popContext >> popContext >> popContext >> return ()))
                            <|>
                            ((popContext >> return ()) >> return ([], "")))
         return (attr, result)

    parseRules "MathEnv" =
      do (attr, result) <- (((pDetectChar False '}' >>= withAttribute "Normal Text") >>~ pushContext "MathModeEnv")
                            <|>
                            ((lookAhead (pRegExpr (compileRegex "[a-zA-Z]")) >> return ([],"") ) >>~ (popContext >> return ()))
                            <|>
                            ((parseRules "EnvCommon")))
         return (attr, result)

    parseRules "MathEnvParam" =
      do (attr, result) <- (((pRegExpr (compileRegex "\\}\\{[^\\}]*\\}") >>= withAttribute "Normal Text") >>~ pushContext "MathModeEnv")
                            <|>
                            ((pDetectChar False '}' >>= withAttribute "Normal Text") >>~ pushContext "MathModeEnv")
                            <|>
                            ((lookAhead (pRegExpr (compileRegex "[a-zA-Z]")) >> return ([],"") ) >>~ (popContext >> return ()))
                            <|>
                            ((parseRules "EnvCommon")))
         return (attr, result)

    parseRules "EnvCommon" =
      do (attr, result) <- (((pDetectChar False '\215' >>= withAttribute "Bullet"))
                            <|>
                            ((pRegExpr (compileRegex "\\*(?=\\})") >>= withAttribute "Environment"))
                            <|>
                            ((pRegExpr (compileRegex "\\*[^\\}]*") >>= withAttribute "Error") >>~ (popContext >> popContext >> popContext >> return ()))
                            <|>
                            ((pRegExpr (compileRegex "[^a-zA-Z\\xd7][^\\}]*") >>= withAttribute "Error") >>~ (popContext >> popContext >> popContext >> return ())))
         return (attr, result)

    parseRules "MathModeEnv" =
      do (attr, result) <- (((pRegExpr (compileRegex "\\\\end(?=\\s*\\{(equation|displaymath|eqnarray|subeqnarray|math|multline|gather|align|flalign|alignat|xalignat|xxalignat)\\*?\\})") >>= withAttribute "Structure") >>~ pushContext "MathFindEnd")
                            <|>
                            ((pRegExpr (compileRegex "\\\\begin(?=[^a-zA-Z])") >>= withAttribute "Keyword Mathmode"))
                            <|>
                            ((pRegExpr (compileRegex "\\\\end(?=[^a-zA-Z])") >>= withAttribute "Keyword Mathmode"))
                            <|>
                            ((pString False "\\(" >>= withAttribute "Error"))
                            <|>
                            ((pString False "\\[" >>= withAttribute "Error"))
                            <|>
                            ((pString False "\\)" >>= withAttribute "Error"))
                            <|>
                            ((pString False "\\]" >>= withAttribute "Error"))
                            <|>
                            ((pRegExpr (compileRegex "\\\\(text|intertext|mbox)\\s*(?=\\{)") >>= withAttribute "Keyword Mathmode") >>~ pushContext "MathModeText")
                            <|>
                            ((pDetectChar False '\\' >>= withAttribute "Keyword Mathmode") >>~ pushContext "MathContrSeq")
                            <|>
                            ((pString False "$$" >>= withAttribute "Error"))
                            <|>
                            ((pDetectChar False '$' >>= withAttribute "Error"))
                            <|>
                            ((pDetectChar False '%' >>= withAttribute "Comment") >>~ pushContext "Comment")
                            <|>
                            ((pFirstNonSpace >> pRegExpr (compileRegex "%\\s*BEGIN.*$") >>= withAttribute "Region Marker"))
                            <|>
                            ((pFirstNonSpace >> pRegExpr (compileRegex "%\\s*END.*$") >>= withAttribute "Region Marker")))
         return (attr, result)

    parseRules "MathFindEnd" =
      do (attr, result) <- (((pRegExpr (compileRegex "\\s*\\{") >>= withAttribute "Normal Text"))
                            <|>
                            ((pRegExpr (compileRegex "(equation|displaymath|eqnarray|subeqnarray|math|multline|gather|align|flalign|alignat|xalignat|xxalignat)\\*?") >>= withAttribute "Environment"))
                            <|>
                            ((pDetectChar False '}' >>= withAttribute "Normal Text") >>~ (popContext >> popContext >> popContext >> popContext >> popContext >> return ()))
                            <|>
                            ((popContext >> return ()) >> return ([], "")))
         return (attr, result)

    parseRules "MathMode" =
      do (attr, result) <- (((pString False "$$" >>= withAttribute "Error"))
                            <|>
                            ((pDetectChar False '$' >>= withAttribute "Math") >>~ (popContext >> return ()))
                            <|>
                            ((pDetect2Chars False '\\' ')' >>= withAttribute "Math") >>~ (popContext >> return ()))
                            <|>
                            ((pDetect2Chars False '\\' ']' >>= withAttribute "Error"))
                            <|>
                            ((parseRules "MathModeCommon")))
         return (attr, result)

    parseRules "MathModeDisplay" =
      do (attr, result) <- (((pString False "$$" >>= withAttribute "Math") >>~ (popContext >> return ()))
                            <|>
                            ((pDetectChar False '$' >>= withAttribute "Error"))
                            <|>
                            ((pDetect2Chars False '\\' ']' >>= withAttribute "Error"))
                            <|>
                            ((pDetect2Chars False '\\' ')' >>= withAttribute "Error"))
                            <|>
                            ((parseRules "MathModeCommon")))
         return (attr, result)

    parseRules "MathModeEquation" =
      do (attr, result) <- (((pDetect2Chars False '\\' ']' >>= withAttribute "Math") >>~ (popContext >> return ()))
                            <|>
                            ((pString False "$$" >>= withAttribute "Error"))
                            <|>
                            ((pDetectChar False '$' >>= withAttribute "Error"))
                            <|>
                            ((pDetect2Chars False '\\' ')' >>= withAttribute "Error"))
                            <|>
                            ((parseRules "MathModeCommon")))
         return (attr, result)

    parseRules "MathModeCommon" =
      do (attr, result) <- (((pRegExpr (compileRegex "\\\\(begin|end)\\s*\\{(equation|displaymath|eqnarray|subeqnarray|math|multline|gather|align|flalign|alignat|xalignat|xxalignat)\\*?\\}") >>= withAttribute "Error"))
                            <|>
                            ((pRegExpr (compileRegex "\\\\begin(?=[^a-zA-Z])") >>= withAttribute "Keyword Mathmode"))
                            <|>
                            ((pRegExpr (compileRegex "\\\\end(?=[^a-zA-Z])") >>= withAttribute "Keyword Mathmode"))
                            <|>
                            ((pRegExpr (compileRegex "\\\\(text|intertext|mbox)\\s*(?=\\{)") >>= withAttribute "Keyword Mathmode") >>~ pushContext "MathModeText")
                            <|>
                            ((pDetectChar False '\\' >>= withAttribute "Keyword Mathmode") >>~ pushContext "MathContrSeq")
                            <|>
                            ((pDetectChar False '%' >>= withAttribute "Comment") >>~ pushContext "Comment")
                            <|>
                            ((pFirstNonSpace >> pRegExpr (compileRegex "%\\s*BEGIN.*$") >>= withAttribute "Region Marker"))
                            <|>
                            ((pFirstNonSpace >> pRegExpr (compileRegex "%\\s*END.*$") >>= withAttribute "Region Marker"))
                            <|>
                            ((pDetectChar False '\215' >>= withAttribute "Bullet")))
         return (attr, result)

    parseRules "MathContrSeq" =
      do (attr, result) <- (((pDetectChar False '\215' >>= withAttribute "Bullet"))
                            <|>
                            ((pRegExpr (compileRegex "[a-zA-Z]+\\*?") >>= withAttribute "Keyword Mathmode") >>~ (popContext >> return ()))
                            <|>
                            ((pRegExpr (compileRegex "[^a-zA-Z]") >>= withAttribute "Keyword Mathmode") >>~ (popContext >> return ())))
         return (attr, result)

    parseRules "MathModeText" =
      do (attr, result) <- ((pDetectChar False '{' >>= withAttribute "Normal Text") >>~ pushContext "MathModeTextParameterStart")
         return (attr, result)

    parseRules "MathModeTextParameterStart" =
      do (attr, result) <- (((pRegExpr (compileRegex "\\\\.") >>= withAttribute "Normal Text"))
                            <|>
                            ((pDetectChar False '\215' >>= withAttribute "Bullet"))
                            <|>
                            ((pDetectChar False '{' >>= withAttribute "Normal Text") >>~ pushContext "MathModeTextParameter")
                            <|>
                            ((pDetectChar False '}' >>= withAttribute "Normal Text") >>~ (popContext >> popContext >> return ()))
                            <|>
                            ((pDetectChar False '%' >>= withAttribute "Comment") >>~ pushContext "Comment"))
         return (attr, result)

    parseRules "MathModeTextParameter" =
      do (attr, result) <- (((pRegExpr (compileRegex "\\\\.") >>= withAttribute "Normal Text"))
                            <|>
                            ((pDetectChar False '{' >>= withAttribute "Normal Text") >>~ pushContext "MathModeTextParameter")
                            <|>
                            ((pDetectChar False '}' >>= withAttribute "Normal Text") >>~ (popContext >> return ()))
                            <|>
                            ((pDetectChar False '\215' >>= withAttribute "Bullet"))
                            <|>
                            ((pDetectChar False '%' >>= withAttribute "Comment") >>~ pushContext "Comment"))
         return (attr, result)

    parseRules "Comment" =
      do (attr, result) <- (((pRegExpr (compileRegex "(FIXME|TODO):?") >>= withAttribute "Alert"))
                            <|>
                            ((pDetectChar False '\215' >>= withAttribute "Bullet")))
         return (attr, result)

    parseRules x = fail $ "Unknown context" ++ x