new file mode 100644
--- /dev/null
+++ b/runtime/syntax/esterel.vim
@@ -0,0 +1,71 @@
+" Vim syntax file
+" Language:		ESTEREL
+" Maintainer:	Maurizio Tranchero <mtranchero@yahoo.it>
+" Credits:		Luca Necchi	<luca.necchi@polito.it>
+" Last Change:	Tue May 17 23:49:39 CEST 2005
+" Version:		0.2
+
+" For version 5.x: Clear all syntax items
+" For version 6.x: Quit when a syntax file was already loaded
+if version < 600
+  syntax clear
+elseif exists("b:current_syntax")
+  finish
+endif
+
+" case is significant
+syn case ignore
+" Esterel Regions
+syn region esterelModule		start=/module/	end=/end module/	contains=ALLBUT,esterelModule
+syn region esterelLoop			start=/loop/	end=/end loop/		contains=ALLBUT,esterelModule
+syn region esterelAbort			start=/abort/	end=/end abort/		contains=ALLBUT,esterelModule
+syn region esterelEvery			start=/every/	end=/end every/		contains=ALLBUT,esterelModule
+syn region esterelIf			start=/if/		end=/end if/		contains=ALLBUT,esterelModule
+"syn region esterelConcurrent	start=/\[/		end=/\]/			contains=ALLBUT,esterelModule
+syn region esterelConcurrent	transparent start=/\[/		end=/\]/		contains=ALLBUT,esterelModule
+syn region esterelIfThen		start=/if/		end=/then/			oneline
+" and weak abort? how to make vim know that start='weak abort'?
+" Esterel Keywords
+syn keyword esterelStatement	module signal end
+syn keyword esterelIO			input output 
+syn keyword esterelStatement	every do loop abort weak
+syn keyword esterelStatement	emit present await
+syn keyword esterelStatement	if then else
+syn keyword esterelBoolean		and or not xor xnor nor nand
+syn keyword esterelOperator		\[ \] 
+syn keyword esterelPippo		pippo
+" Esterel Types
+syn keyword esterelType integer float bolean
+" Esterel Comment
+syn match esterelComment	"%.*$"
+" Operators and special characters
+syn match esterelSpecial	":"
+syn match esterelSpecial	";"
+syn match esterelOperator	"\["
+syn match esterelOperator	"\]"
+syn match esterelOperator	":="
+syn match esterelStatement	"\<\(if\|else\)\>"
+syn match esterelNone		"\<else\s\+if\>$"
+syn match esterelNone		"\<else\s\+if\>\s"
+
+" Class Linking
+if version >= 508 || !exists("did_esterel_syntax_inits")
+  if version < 508
+    let did_esterel_syntax_inits = 1
+    command -nargs=+ HiLink hi link <args>
+  else
+    command -nargs=+ HiLink hi def link <args>
+  endif
+
+	HiLink esterelStatement	Statement
+	HiLink esterelType		Type
+	HiLink esterelComment	Comment
+	HiLink esterelBoolean	Number
+	HiLink esterelIO		String
+	HiLink esterelOperator	Type
+	HiLink esterelSpecial	Special
+
+  delcommand HiLink
+endif
+
+let b:current_syntax = "esterel"