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1 " Vim syntax file
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2 " Language: configure.in script: M4 with sh
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3 " Maintainer: Christian Hammesr <ch@lathspell.westend.com>
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4 " Last Change: 2008 Sep 03
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5
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6 " Well, I actually even do not know much about m4. This explains why there
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7 " is probably very much missing here, yet !
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8 " But I missed a good hilighting when editing my GNU autoconf/automake
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9 " script, so I wrote this quick and dirty patch.
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10
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11
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12 " For version 5.x: Clear all syntax items
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13 " For version 6.x: Quit when a syntax file was already loaded
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14 if version < 600
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15 syntax clear
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16 elseif exists("b:current_syntax")
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17 finish
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18 endif
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19
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20 " define the config syntax
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21 syn match configdelimiter "[()\[\];,]"
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22 syn match configoperator "[=|&\*\+\<\>]"
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23 syn match configcomment "\(dnl.*\)\|\(#.*\)"
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24 syn match configfunction "\<[A-Z_][A-Z0-9_]*\>"
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25 syn match confignumber "[-+]\=\<\d\+\(\.\d*\)\=\>"
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26 syn keyword configkeyword if then else fi test for in do done
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27 syn keyword configspecial cat rm eval
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28 syn region configstring start=+"+ skip=+\\"+ end=+"+
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29 syn region configstring start=+'+ skip=+\\'+ end=+'+
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30 syn region configstring start=+`+ skip=+\\'+ end=+`+
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31
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32 " Define the default highlighting.
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33 " For version 5.7 and earlier: only when not done already
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34 " For version 5.8 and later: only when an item doesn't have highlighting yet
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35 if version >= 508 || !exists("did_config_syntax_inits")
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36 if version < 508
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37 let did_config_syntax_inits = 1
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38 command -nargs=+ HiLink hi link <args>
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39 else
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40 command -nargs=+ HiLink hi def link <args>
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41 endif
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42
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43 HiLink configdelimiter Delimiter
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44 HiLink configoperator Operator
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45 HiLink configcomment Comment
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46 HiLink configfunction Function
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47 HiLink confignumber Number
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48 HiLink configkeyword Keyword
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49 HiLink configspecial Special
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50 HiLink configstring String
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51
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52 delcommand HiLink
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53 endif
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54
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55 let b:current_syntax = "config"
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56
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57 " vim: ts=4
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