mirror of
https://github.com/vim/vim.git
synced 2025-10-30 09:47:20 -04:00
260 lines
7.8 KiB
VimL
260 lines
7.8 KiB
VimL
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" VIM syntax file
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" Language: nroff/groff
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" Maintainer: Alejandro L<>pez-Valencia <dradul@yahoo.com>
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" URL: http://dradul.tripod.com/vim
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" Last Change: 2003 May 24
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"
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" {{{1 Acknowledgements
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"
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" ACKNOWLEDGEMENTS:
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"
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" My thanks to J<>r<EFBFBD>me Pl<50>t <Jerome.Plut@ens.fr>, who was the
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" creator and maintainer of this syntax file for several years.
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" May I be as good at it as he has been.
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"
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" {{{1 Todo
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"
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" TODO:
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"
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" * Write syntax highlighting files for the preprocessors,
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" and integrate with nroff.vim.
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"
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"
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" {{{1 Start syntax highlighting.
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"
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" For version 5.x: Clear all syntax items
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" For version 6.x: Quit when a syntax file was already loaded
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"
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if version < 600
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syntax clear
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elseif exists("b:current_syntax")
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finish
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endif
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"
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" {{{1 plugin settings...
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"
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" {{{2 enable spacing error highlighting
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"
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if exists("nroff_space_errors")
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syn match nroffError /\s\+$/
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syn match nroffSpaceError /[.,:;!?]\s\{2,}/
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endif
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"
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"
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" {{{1 Special file settings
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"
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" {{{2 ms exdented paragraphs are not in the default paragraphs list.
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"
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setlocal paragraphs+=XP
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"
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" {{{2 Activate navigation to preporcessor sections.
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"
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if exists("b:preprocs_as_sections")
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setlocal sections=EQTSPS[\ G1GS
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endif
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" {{{1 Escape sequences
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" ------------------------------------------------------------
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syn match nroffEscChar /\\[CN]/ nextgroup=nroffEscCharArg
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syn match nroffEscape /\\[*fgmnYV]/ nextgroup=nroffEscRegPar,nroffEscRegArg
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syn match nroffEscape /\\s[+-]\=/ nextgroup=nroffSize
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syn match nroffEscape /\\[$AbDhlLRvxXZ]/ nextgroup=nroffEscPar,nroffEscArg
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syn match nroffEscRegArg /./ contained
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syn match nroffEscRegArg2 /../ contained
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syn match nroffEscRegPar /(/ contained nextgroup=nroffEscRegArg2
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syn match nroffEscArg /./ contained
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syn match nroffEscArg2 /../ contained
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syn match nroffEscPar /(/ contained nextgroup=nroffEscArg2
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syn match nroffSize /\((\d\)\=\d/ contained
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syn region nroffEscCharArg start=/'/ end=/'/ contained
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syn region nroffEscArg start=/'/ end=/'/ contained contains=nroffEscape,@nroffSpecial
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if exists("b:nroff_is_groff")
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syn region nroffEscRegArg matchgroup=nroffEscape start=/\[/ end=/\]/ contained oneline
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syn region nroffSize matchgroup=nroffEscape start=/\[/ end=/\]/ contained
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endif
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syn match nroffEscape /\\[adprtu{}]/
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syn match nroffEscape /\\$/
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syn match nroffEscape /\\\$[@*]/
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" {{{1 Strings and special characters
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" ------------------------------------------------------------
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syn match nroffSpecialChar /\\[\\eE?!-]/
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syn match nroffSpace "\\[&%~|^0)/,]"
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syn match nroffSpecialChar /\\(../
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if exists("b:nroff_is_groff")
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syn match nroffSpecialChar /\\\[[^]]*]/
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syn region nroffPreserve matchgroup=nroffSpecialChar start=/\\?/ end=/\\?/ oneline
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endif
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syn region nroffPreserve matchgroup=nroffSpecialChar start=/\\!/ end=/$/ oneline
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syn cluster nroffSpecial contains=nroffSpecialChar,nroffSpace
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syn region nroffString start=/"/ end=/"/ skip=/\\$/ contains=nroffEscape,@nroffSpecial contained
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syn region nroffString start=/'/ end=/'/ skip=/\\$/ contains=nroffEscape,@nroffSpecial contained
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" {{{1 Numbers and units
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" ------------------------------------------------------------
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syn match nroffNumBlock /[0-9.]\a\=/ contained contains=nroffNumber
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syn match nroffNumber /\d\+\(\.\d*\)\=/ contained nextgroup=nroffUnit,nroffBadChar
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syn match nroffNumber /\.\d\+)/ contained nextgroup=nroffUnit,nroffBadChar
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syn match nroffBadChar /./ contained
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syn match nroffUnit /[icpPszmnvMu]/ contained
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" {{{1 Requests
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" ------------------------------------------------------------
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" Requests begin with . or ' at the beginning of a line, or
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" after .if or .ie.
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syn match nroffReqLeader /^[.']/ nextgroup=nroffReqName skipwhite
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syn match nroffReqLeader /[.']/ contained nextgroup=nroffReqName skipwhite
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if exists("b:nroff_is_groff")
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"
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" GNU troff allows long request names
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"
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syn match nroffReqName /[^\t \\\[?]\+/ contained nextgroup=nroffReqArg
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else
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syn match nroffReqName /[^\t \\\[?]\{1,2}/ contained nextgroup=nroffReqArg
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endif
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syn region roffReqArg start=/\S/ skip=/\\$/ end=/$/ contained contains=nroffEscape,@nroffSpecial,nroffString,nroffError,nroffSpaceError,nroffNumBlock,nroffComment
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" {{{2 Conditional: .if .ie .el
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syn match nroffReqName /\(if\|ie\)/ contained nextgroup=nroffCond skipwhite
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syn match nroffReqName /el/ contained nextgroup=nroffReqLeader skipwhite
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syn match nroffCond /\S\+/ contained nextgroup=nroffReqLeader skipwhite
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" {{{2 String definition: .ds .as
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syn match nroffReqname /[da]s/ contained nextgroup=nroffDefIdent skipwhite
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syn match nroffDefIdent /\S\+/ contained nextgroup=nroffDefinition skipwhite
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syn region nroffDefinition matchgroup=nroffSpecialChar start=/"/ matchgroup=NONE end=/\\"/me=e-2 skip=/\\$/ start=/\S/ end=/$/ contained contains=nroffDefSpecial
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syn match nroffDefSpecial /\\$/ contained
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syn match nroffDefSpecial /\\\((.\)\=./ contained
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if exists("b:nroff_is_groff")
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syn match nroffDefSpecial /\\\[[^]]*]/ contained
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endif
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" {{{2 Macro definition: .de .am, also diversion: .di
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syn match nroffReqName /\(d[ei]\|am\)/ contained nextgroup=nroffIdent skipwhite
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syn match nroffIdent /[^[?( \t]\+/ contained
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if exists("b:nroff_is_groff")
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syn match nroffReqName /als/ contained nextgroup=nroffIdent skipwhite
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endif
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" {{{2 Register definition: .rn .rr
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syn match nroffReqName /[rn]r/ contained nextgroup=nroffIdent skipwhite
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if exists("b:nroff_is_groff")
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syn match nroffReqName /\(rnn\|aln\)/ contained nextgroup=nroffIdent skipwhite
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endif
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" {{{1 eqn/tbl/pic
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" ------------------------------------------------------------
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" <jp>
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" XXX: write proper syntax highlight for eqn / tbl / pic ?
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" <jp />
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syn region nroffEquation start=/^\.\s*EQ\>/ end=/^\.\s*EN\>/
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syn region nroffTable start=/^\.\s*TS\>/ end=/^\.\s*TE\>/
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syn region nroffPicture start=/^\.\s*PS\>/ end=/^\.\s*PE\>/
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syn region nroffRefer start=/^\.\s*\[\>/ end=/^\.\s*\]\>/
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syn region nroffGrap start=/^\.\s*G1\>/ end=/^\.\s*G2\>/
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syn region nroffGremlin start=/^\.\s*GS\>/ end=/^\.\s*GE|GF\>/
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" {{{1 Comments
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" ------------------------------------------------------------
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syn region nroffIgnore start=/^[.']\s*ig/ end=/^['.]\s*\./
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syn match nroffComment /\(^[.']\s*\)\=\\".*/ contains=nroffTodo
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syn match nroffComment /^'''.*/ contains=nroffTodo
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if exists("b:nroff_is_groff")
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syn match nroffComment "\\#.*$" contains=nroffTodo
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endif
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syn keyword nroffTodo TODO XXX FIXME contained
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" {{{1 Hilighting
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" ------------------------------------------------------------
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"
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"
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" Define the default highlighting.
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" For version 5.7 and earlier: only when not done already
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" For version 5.8 and later: only when an item doesn't have highlighting yet
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"
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if version >= 508 || !exists("did_nroff_syn_inits")
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if version < 508
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let did_nroff_syn_inits = 1
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command -nargs=+ HiLink hi link <args>
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else
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command -nargs=+ HiLink hi def link <args>
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endif
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HiLink nroffEscChar nroffSpecialChar
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HiLink nroffEscCharAr nroffSpecialChar
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HiLink nroffSpecialChar SpecialChar
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HiLink nroffSpace Delimiter
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HiLink nroffEscRegArg2 nroffEscRegArg
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HiLink nroffEscRegArg nroffIdent
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HiLink nroffEscArg2 nroffEscArg
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HiLink nroffEscPar nroffEscape
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HiLink nroffEscRegPar nroffEscape
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HiLink nroffEscArg nroffEscape
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HiLink nroffSize nroffEscape
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HiLink nroffEscape Preproc
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HiLink nroffIgnore Comment
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HiLink nroffComment Comment
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HiLink nroffTodo Todo
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HiLink nroffReqLeader nroffRequest
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HiLink nroffReqName nroffRequest
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HiLink nroffRequest Statement
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HiLink nroffCond PreCondit
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HiLink nroffDefIdent nroffIdent
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HiLink nroffIdent Identifier
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HiLink nroffEquation PreProc
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HiLink nroffTable PreProc
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HiLink nroffPicture PreProc
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HiLink nroffRefer PreProc
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HiLink nroffGrap PreProc
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HiLink nroffGremlin PreProc
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HiLink nroffNumber Number
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HiLink nroffBadChar nroffError
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HiLink nroffSpaceError nroffError
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HiLink nroffError Error
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HiLink nroffPreserve String
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HiLink nroffString String
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HiLink nroffDefinition String
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HiLink nroffDefSpecial Special
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delcommand HiLink
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endif
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let b:current_syntax = "nroff"
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" vim600: set fdm=marker fdl=2:
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