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" Vim syntax file
" Language : sendmail
" Maintainer : Dr. Charles E. Campbell, Jr. <Charles.Campbell@gsfc.nasa.gov>
" Last change: September 29, 1997
" Remove any old syntax stuff hanging around
syn clear
" Comments
syn match smComment "^#.*$"
" Operators
syn match smOper "$"
" Definitions, Classes, Files, Options, Precedence, Trusted Users, Mailers
syn match smDefine "^[CDFPT]."
syn match smDefine "^O[AaBcdDeFfgHiLmNoQqrSsTtuvxXyYzZ]"
syn match smDefine "^M[a-zA-Z]\+,"he=e-1
" Header Format H?list-of-mailer-flags?name: format
syn match smHeaderSep contained "[?:]"
syn match smHeader "^H\(?[a-zA-Z]\+?\)\=[-a-zA-Z_]\+:" contains=smHeaderSep
" Variables
syn match smVar "\$[a-z]"
" Rulesets
syn match smRuleset "^S\d*"
" Rewriting Rules
syn match smRewrite "^R" nextgroup=smRewriteLhsToken,smRewriteLhsUser
syn match smRewriteLhsUser contained "[^\t$]\+" nextgroup=smRewriteLhsToken,smRewriteLhsSep
syn match smRewriteLhsToken contained "\(\$[-*+]\|\$[-=][A-Za-z]\)\+" nextgroup=smRewriteLhsUser,smRewriteLhsSep
syn match smRewriteLhsSep contained "\t\+" nextgroup=smRewriteRhsToken,smRewriteRhsUser
syn match smRewriteRhsUser contained "[^\t$]\+" nextgroup=smRewriteRhsToken,smRewriteRhsSep
syn match smRewriteRhsToken contained "\(\$\d\|\$>\d\|\$#\|\$@\|\$:[-_a-zA-Z]\+\|\$[[\]]\|\$@\|\$:\|\$[A-Za-z]\)\+" nextgroup=smRewriteRhsUser,smRewriteRhsSep
syn match smRewriteRhsSep contained "\t\+" nextgroup=smRewriteComment,smRewriteRhsSep
syn match smRewriteRhsSep contained "$"
syn match smRewriteComment contained "[^\t$]*$"
" Clauses
syn match smClauseError "\$|\|\$\."
syn match smElse transparent contained "\$|"
syn region smClause oneline start="\$?." end="\$\." contains=smElse,smClause,smVar
if !exists("did_sm_syntax_inits")
let did_sm_syntax_inits = 1
" The default methods for highlighting. Can be overridden later
hi link smClause Special
hi link smClauseError Error
hi link smComment Comment
hi link smDefine Statement
hi link smHeader Statement
hi link smHeaderSep String
hi link smRewrite Statement
hi link smRewriteComment Comment
hi link smRewriteLhsToken String
hi link smRewriteLhsUser Statement
hi link smRewriteRhsToken String
hi link smRuleset Statement
hi link smVar String
endif
let b:current_syntax = "sm"
" vim: ts=18
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