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" Vim syntax file
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" Filetype: RFC
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" Author: lilydjwg <lilydjwg@gmail.com>
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" Last Change: 2010-01-18
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syntax clear
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syntax case match
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syn match rfcTitle /^\v( \n)@<!\S.*$/
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" syn match rfcTheTitle /^\v\s{7,40}\S.*$/
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" Find and highlight the Title
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for i in range(1, 30)
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exe 'syn match rfcTheTitle /^\v%'.i.'l\s{4,40}\S.*$/'
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endfor
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unlet i
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syn match rfcRFCTitle /^\v( \n)@<=RFC.*$/
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" RFC xxxx or ANSI X3.4-1986 like.
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" FIXME I really don't know what will follow ANSI so there may be mistakes
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syn match rfcRFC /\v.@<=RFC\s+[0-9]+|ANSI\s+[0-9A-Z-.]+/ containedin=ALL
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syn match rfcReference /^\@<!\[\w\+\]/
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syn match rfcComment /^\S.*\ze\n /
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syn match rfcDots /\v\.\.+\ze\d+$/ contained
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syn match rfcContents /^\v\s+(([A-Z]\.)?([0-9]+\.?)+|Appendix|Full Copyright Statement).*(\n.*)?(\s|\.)\d+$/ contains=rfcDots
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syn keyword rfcNote NOTE note: Note: NOTE: Notes Notes:
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" Highlight [sic] here so it won't be highlighted as rfcReference
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syn match rfcKeyword "\(MUST\(\s*[ \n]\+\s*NOT\)*\|REQUIRED\|SHALL\(\s*[ \n]\+\s*NOT\)*\|SHOULD\(\s*[ \n]\+\s*NOT\)*\|RECOMMENDED\|MAY\|OPTIONAL\|\[sic\]\)"
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hi link rfcTitle Title
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hi link rfcTheTitle Type
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hi link rfcRFCTitle PreProc
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hi link rfcNote Todo
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hi link rfcRFC Number
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hi link rfcComment Comment
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hi link rfcReference Number
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hi link rfcDots Comment
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hi link rfcContents Tag
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hi link rfcKeyword Keyword
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let b:current_syntax = "rfc"
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