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Add TODO, FIXME to Haskell syntax file (vim/vim#8055)
Adding TODO, XXX, FIXME to Haskell syntax file vim/vim#8054
817db406bb
Co-authored-by: Bruno-366 <81762173+Bruno-366@users.noreply.github.com>
194 lines
9.1 KiB
VimL
194 lines
9.1 KiB
VimL
" Vim syntax file
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" Language: Haskell
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" Maintainer: Haskell Cafe mailinglist <haskell-cafe@haskell.org>
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" Last Change: 2020 Oct 4 by Marcin Szamotulski <profunctor@pm.me>
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" Original Author: John Williams <jrw@pobox.com>
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"
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" Thanks to Ryan Crumley for suggestions and John Meacham for
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" pointing out bugs. Also thanks to Ian Lynagh and Donald Bruce Stewart
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" for providing the inspiration for the inclusion of the handling
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" of C preprocessor directives, and for pointing out a bug in the
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" end-of-line comment handling.
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"
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" Options-assign a value to these variables to turn the option on:
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"
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" hs_highlight_delimiters - Highlight delimiter characters--users
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" with a light-colored background will
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" probably want to turn this on.
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" hs_highlight_boolean - Treat True and False as keywords.
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" hs_highlight_types - Treat names of primitive types as keywords.
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" hs_highlight_more_types - Treat names of other common types as keywords.
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" hs_highlight_debug - Highlight names of debugging functions.
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" hs_allow_hash_operator - Don't highlight seemingly incorrect C
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" preprocessor directives but assume them to be
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" operators
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"
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" 2004 Feb 19: Added C preprocessor directive handling, corrected eol comments
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" cleaned away literate haskell support (should be entirely in
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" lhaskell.vim)
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" 2004 Feb 20: Cleaned up C preprocessor directive handling, fixed single \
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" in eol comment character class
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" 2004 Feb 23: Made the leading comments somewhat clearer where it comes
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" to attribution of work.
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" 2008 Dec 15: Added comments as contained element in import statements
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" quit when a syntax file was already loaded
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if exists("b:current_syntax")
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finish
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endif
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" (Qualified) identifiers (no default highlighting)
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syn match ConId "\(\<[A-Z][a-zA-Z0-9_']*\.\)*\<[A-Z][a-zA-Z0-9_']*\>" contains=@NoSpell
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syn match VarId "\(\<[A-Z][a-zA-Z0-9_']*\.\)*\<[a-z][a-zA-Z0-9_']*\>" contains=@NoSpell
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" Infix operators--most punctuation characters and any (qualified) identifier
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" enclosed in `backquotes`. An operator starting with : is a constructor,
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" others are variables (e.g. functions).
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syn match hsVarSym "\(\<[A-Z][a-zA-Z0-9_']*\.\)\=[-!#$%&\*\+/<=>\?@\\^|~.][-!#$%&\*\+/<=>\?@\\^|~:.]*"
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syn match hsConSym "\(\<[A-Z][a-zA-Z0-9_']*\.\)\=:[-!#$%&\*\+./<=>\?@\\^|~:]*"
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syn match hsVarSym "`\(\<[A-Z][a-zA-Z0-9_']*\.\)\=[a-z][a-zA-Z0-9_']*`"
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syn match hsConSym "`\(\<[A-Z][a-zA-Z0-9_']*\.\)\=[A-Z][a-zA-Z0-9_']*`"
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" (Non-qualified) identifiers which start with # are labels
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syn match hsLabel "#[a-z][a-zA-Z0-9_']*\>"
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" Reserved symbols--cannot be overloaded.
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syn match hsDelimiter "(\|)\|\[\|\]\|,\|;\|{\|}"
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" Strings and constants
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syn match hsSpecialChar contained "\\\([0-9]\+\|o[0-7]\+\|x[0-9a-fA-F]\+\|[\"\\'&\\abfnrtv]\|^[A-Z^_\[\\\]]\)"
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syn match hsSpecialChar contained "\\\(NUL\|SOH\|STX\|ETX\|EOT\|ENQ\|ACK\|BEL\|BS\|HT\|LF\|VT\|FF\|CR\|SO\|SI\|DLE\|DC1\|DC2\|DC3\|DC4\|NAK\|SYN\|ETB\|CAN\|EM\|SUB\|ESC\|FS\|GS\|RS\|US\|SP\|DEL\)"
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syn match hsSpecialCharError contained "\\&\|'''\+"
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syn region hsString start=+"+ skip=+\\\\\|\\"+ end=+"+ contains=hsSpecialChar,@NoSpell
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syn match hsCharacter "[^a-zA-Z0-9_']'\([^\\]\|\\[^']\+\|\\'\)'"lc=1 contains=hsSpecialChar,hsSpecialCharError
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syn match hsCharacter "^'\([^\\]\|\\[^']\+\|\\'\)'" contains=hsSpecialChar,hsSpecialCharError
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syn match hsNumber "\v<[0-9]%(_*[0-9])*>|<0[xX]_*[0-9a-fA-F]%(_*[0-9a-fA-F])*>|<0[oO]_*%(_*[0-7])*>|<0[bB]_*[01]%(_*[01])*>"
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syn match hsFloat "\v<[0-9]%(_*[0-9])*\.[0-9]%(_*[0-9])*%(_*[eE][-+]?[0-9]%(_*[0-9])*)?>|<[0-9]%(_*[0-9])*_*[eE][-+]?[0-9]%(_*[0-9])*>|<0[xX]_*[0-9a-fA-F]%(_*[0-9a-fA-F])*\.[0-9a-fA-F]%(_*[0-9a-fA-F])*%(_*[pP][-+]?[0-9]%(_*[0-9])*)?>|<0[xX]_*[0-9a-fA-F]%(_*[0-9a-fA-F])*_*[pP][-+]?[0-9]%(_*[0-9])*>"
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" Keyword definitions.
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syn keyword hsModule module
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syn match hsImportGroup "\<import\>.*" contains=hsImport,hsImportModuleName,hsImportMod,hsLineComment,hsBlockComment,hsImportList,@NoSpell nextgroup=hsImport
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syn keyword hsImport import contained nextgroup=hsImportModuleName
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syn match hsImportModuleName '\<[A-Z][A-Za-z.]*' contained
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syn region hsImportList start='(' skip='([^)]\{-})' end=')' keepend contained contains=ConId,VarId,hsDelimiter,hsBlockComment,hsTypedef,@NoSpell
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syn keyword hsImportMod contained as qualified hiding
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syn keyword hsInfix infix infixl infixr
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syn keyword hsStructure class data deriving instance default where
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syn keyword hsTypedef type
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syn keyword hsNewtypedef newtype
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syn keyword hsTypeFam family
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syn keyword hsStatement mdo do case of let in
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syn keyword hsConditional if then else
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" Not real keywords, but close.
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if exists("hs_highlight_boolean")
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" Boolean constants from the standard prelude.
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syn keyword hsBoolean True False
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endif
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if exists("hs_highlight_types")
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" Primitive types from the standard prelude and libraries.
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syn keyword hsType Int Integer Char Bool Float Double IO Void Addr Array String
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endif
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if exists("hs_highlight_more_types")
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" Types from the standard prelude libraries.
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syn keyword hsType Maybe Either Ratio Complex Ordering IOError IOResult ExitCode
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syn keyword hsMaybe Nothing
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syn keyword hsExitCode ExitSuccess
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syn keyword hsOrdering GT LT EQ
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endif
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if exists("hs_highlight_debug")
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" Debugging functions from the standard prelude.
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syn keyword hsDebug undefined error trace
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endif
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" Comments
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syn match hsLineComment "---*\([^-!#$%&\*\+./<=>\?@\\^|~].*\)\?$" contains=@Spell
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syn region hsBlockComment start="{-" end="-}" contains=hsBlockComment,@Spell
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syn region hsPragma start="{-#" end="#-}"
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syn keyword hsTodo contained FIXME TODO XXX NOTE
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" C Preprocessor directives. Shamelessly ripped from c.vim and trimmed
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" First, see whether to flag directive-like lines or not
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if (!exists("hs_allow_hash_operator"))
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syn match cError display "^\s*\(%:\|#\).*$"
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endif
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" Accept %: for # (C99)
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syn region cPreCondit start="^\s*\(%:\|#\)\s*\(if\|ifdef\|ifndef\|elif\)\>" skip="\\$" end="$" end="//"me=s-1 contains=cComment,cCppString,cCommentError
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syn match cPreCondit display "^\s*\(%:\|#\)\s*\(else\|endif\)\>"
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syn region cCppOut start="^\s*\(%:\|#\)\s*if\s\+0\+\>" end=".\@=\|$" contains=cCppOut2
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syn region cCppOut2 contained start="0" end="^\s*\(%:\|#\)\s*\(endif\>\|else\>\|elif\>\)" contains=cCppSkip
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syn region cCppSkip contained start="^\s*\(%:\|#\)\s*\(if\>\|ifdef\>\|ifndef\>\)" skip="\\$" end="^\s*\(%:\|#\)\s*endif\>" contains=cCppSkip
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syn region cIncluded display contained start=+"+ skip=+\\\\\|\\"+ end=+"+
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syn match cIncluded display contained "<[^>]*>"
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syn match cInclude display "^\s*\(%:\|#\)\s*include\>\s*["<]" contains=cIncluded
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syn cluster cPreProcGroup contains=cPreCondit,cIncluded,cInclude,cDefine,cCppOut,cCppOut2,cCppSkip,cCommentStartError
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syn region cDefine matchgroup=cPreCondit start="^\s*\(%:\|#\)\s*\(define\|undef\)\>" skip="\\$" end="$"
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syn region cPreProc matchgroup=cPreCondit start="^\s*\(%:\|#\)\s*\(pragma\>\|line\>\|warning\>\|warn\>\|error\>\)" skip="\\$" end="$" keepend
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syn region cComment matchgroup=cCommentStart start="/\*" end="\*/" contains=cCommentStartError,cSpaceError contained
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syntax match cCommentError display "\*/" contained
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syntax match cCommentStartError display "/\*"me=e-1 contained
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syn region cCppString start=+L\="+ skip=+\\\\\|\\"\|\\$+ excludenl end=+"+ end='$' contains=cSpecial contained
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" Define the default highlighting.
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" Only when an item doesn't have highlighting yet
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hi def link hsModule hsStructure
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hi def link hsImport Include
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hi def link hsImportMod hsImport
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hi def link hsInfix PreProc
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hi def link hsStructure Structure
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hi def link hsStatement Statement
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hi def link hsConditional Conditional
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hi def link hsSpecialChar SpecialChar
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hi def link hsTypedef Typedef
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hi def link hsNewtypedef Typedef
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hi def link hsVarSym hsOperator
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hi def link hsConSym hsOperator
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hi def link hsOperator Operator
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hi def link hsTypeFam Structure
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if exists("hs_highlight_delimiters")
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" Some people find this highlighting distracting.
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hi def link hsDelimiter Delimiter
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endif
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hi def link hsSpecialCharError Error
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hi def link hsString String
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hi def link hsCharacter Character
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hi def link hsNumber Number
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hi def link hsFloat Float
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hi def link hsConditional Conditional
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hi def link hsLiterateComment hsComment
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hi def link hsBlockComment hsComment
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hi def link hsLineComment hsComment
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hi def link hsComment Comment
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hi def link hsPragma SpecialComment
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hi def link hsBoolean Boolean
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hi def link hsType Type
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hi def link hsMaybe hsEnumConst
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hi def link hsOrdering hsEnumConst
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hi def link hsEnumConst Constant
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hi def link hsDebug Debug
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hi def link hsLabel Special
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hi def link cCppString hsString
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hi def link cCommentStart hsComment
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hi def link cCommentError hsError
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hi def link cCommentStartError hsError
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hi def link cInclude Include
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hi def link cPreProc PreProc
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hi def link cDefine Macro
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hi def link cIncluded hsString
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hi def link cError Error
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hi def link cPreCondit PreCondit
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hi def link cComment Comment
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hi def link cCppSkip cCppOut
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hi def link cCppOut2 cCppOut
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hi def link cCppOut Comment
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let b:current_syntax = "haskell"
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" Options for vi: ts=8 sw=2 sts=2 nowrap noexpandtab ft=vim
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