Add all vim filetypes

syntax/config.vim

@@ -0,0 +1,58 @@
+if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'config') == -1
+
+" Vim syntax file
+" Language:		configure.in script: M4 with sh
+" Former Maintainer:	Christian Hammesr <ch@lathspell.westend.com>
+" Last Change:	2018 Feb 03
+" 				(patch from Yngve Inntjore Levinsen to detect AC_MSG)
+" 				(patch from Khym Chanur to add @Spell)
+" 				(patch from James McCoy to fix paren matching)
+
+" Well, I actually even do not know much about m4. This explains why there
+" is probably very much missing here, yet !
+" But I missed good highlighting when editing my GNU autoconf/automake
+" script, so I wrote this quick and dirty patch.
+
+
+" quit when a syntax file was already loaded
+if exists("b:current_syntax")
+  finish
+endif
+
+" define the config syntax
+syn match   configdelimiter "[()\[\];,]"
+syn match   configoperator  "[=|&\*\+\<\>]"
+syn match   configcomment   "\(dnl.*\)\|\(#.*\)" contains=configDnl,@Spell
+syn match   configfunction  "\<[A-Z_][A-Z0-9_]*\>"
+syn match   confignumber    "[-+]\=\<\d\+\(\.\d*\)\=\>"
+syn keyword configDnl   	dnl contained
+syn keyword configkeyword   if then else fi test for in do done
+syn keyword configspecial   cat rm eval
+
+" This shortens the script, see syn-ext-match..
+syn region  configstring    start=+\z(["'`]\)+ skip=+\\\z1+ end=+\z1+ contains=@Spell
+
+" Anything inside AC_MSG_TYPE([...])  and AC_MSG_TYPE(...) is a string.
+syn region  configmsg matchgroup=configfunction start="AC_MSG_[A-Z]*\ze(\[" matchgroup=configdelimiter end="\])" contains=configdelimiter,@Spell
+syn region  configmsg matchgroup=configfunction start="AC_MSG_[A-Z]*\ze([^[]" matchgroup=configdelimiter end=")" contains=configdelimiter,@Spell
+
+" Define the default highlighting.
+" Only when an item doesn't have highlighting yet
+
+hi def link configdelimiter Delimiter
+hi def link configoperator  Operator
+hi def link configcomment   Comment
+hi def link configDnl  	 Comment
+hi def link configfunction  Function
+hi def link confignumber    Number
+hi def link configkeyword   Keyword
+hi def link configspecial   Special
+hi def link configstring    String
+hi def link configmsg       String
+
+
+let b:current_syntax = "config"
+
+" vim: ts=4
+
+endif