new file mode 100644
--- /dev/null
+++ b/runtime/syntax/cl.vim
@@ -0,0 +1,105 @@
+" Vim syntax file
+" Language:	cl ("Clever Language" by Multibase, http://www.mbase.com.au)
+" Filename extensions: *.ent, *.eni
+" Maintainer:	Philip Uren <philu@system77.com>
+" Last update:	Wed May  2 10:30:30 EST 2001
+
+" 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
+
+if version >= 600
+	setlocal iskeyword=@,48-57,_,-,
+else
+	set iskeyword=@,48-57,_,-,
+endif
+
+syn case ignore
+
+syn sync lines=300
+
+"If/else/elsif/endif and while/wend mismatch errors
+syn match   clifError		"\<wend\>"
+syn match   clifError		"\<elsif\>"
+syn match   clifError		"\<else\>"
+syn match   clifError		"\<endif\>"
+
+" If and while regions
+syn region clLoop	transparent matchgroup=clWhile start="\<while\>" matchgroup=clWhile end="\<wend\>" contains=ALLBUT,clBreak,clProcedure
+syn region clIf		transparent matchgroup=clConditional start="\<if\>" matchgroup=clConditional end="\<endif\>"   contains=ALLBUT,clBreak,clProcedure
+
+" Make those TODO notes and debugging stand out!
+syn keyword	clTodo			contained	TODO BUG DEBUG FIX
+syn keyword clDebug			contained	debug
+
+syn match	clComment		"#.*$"		contains=clTodo,clNeedsWork
+syn region	clProcedure		oneline		start="^\s*[{}]" end="$"
+syn match	clInclude					"^\s*include\s.*"
+
+" We don't put "debug" in the clSetOptions;
+" we contain it in clSet so we can make it stand out.
+syn keyword clSetOptions	transparent aauto abort align convert E fill fnum goback hangup justify null_exit output rauto rawprint rawdisplay repeat skip tab trim
+syn match	clSet			"^\s*set\s.*" contains=clSetOptions,clDebug
+
+syn match clPreProc			"^\s*#P.*"
+
+syn keyword clConditional	else elsif
+syn keyword clWhile			continue endloop
+" 'break' needs to be a region so we can sync on it above.
+syn region clBreak			oneline start="^\s*break" end="$"
+
+syn match clOperator		"[!;|)(:.><+*=-]"
+
+syn match clNumber			"\<\d\+\(u\=l\=\|lu\|f\)\>"
+
+syn region clString	matchgroup=clQuote	start=+"+ end=+"+	skip=+\\"+
+syn region clString matchgroup=clQuote	start=+'+ end=+'+	skip=+\\'+
+
+syn keyword clReserved		ERROR EXIT INTERRUPT LOCKED LREPLY MODE MCOL MLINE MREPLY NULL REPLY V1 V2 V3 V4 V5 V6 V7 V8 V9 ZERO BYPASS GOING_BACK AAUTO ABORT ABORT ALIGN BIGE CONVERT FNUM GOBACK HANGUP JUSTIFY NEXIT OUTPUT RAUTO RAWDISPLAY RAWPRINT REPEAT SKIP TAB TRIM LCOUNT PCOUNT PLINES SLINES SCOLS MATCH LMATCH
+
+syn keyword clFunction		asc asize chr name random slen srandom day getarg getcgi getenv lcase scat sconv sdel skey smult srep substr sword trim ucase match
+
+syn keyword clStatement		clear clear_eol clear_eos close copy create unique with where empty define define ldefine delay_form delete escape exit_block exit_do exit_process field fork format get getfile getnext getprev goto head join maintain message no_join on_eop on_key on_exit on_delete openin openout openapp pause popenin popenout popenio print put range read redisplay refresh restart_block screen select sleep text unlock write and not or do
+
+" Define the default highlighting.
+" For version 5.7 and earlier: only when not done already
+" For version 5.8 and later: only when an item doesn't have highlighting yet
+if	version >= 508 || !exists("did_cl_syntax_inits")
+	if	version < 508
+		let did_cl_syntax_inits = 1
+		command -nargs=+ HiLink hi link <args>
+	else
+		command -nargs=+ HiLink hi def link <args>
+	endif
+
+	HiLink clifError			Error
+	HiLink clWhile				Repeat
+	HiLink clConditional		Conditional
+	HiLink clDebug				Debug
+	HiLink clNeedsWork			Todo
+	HiLink clTodo				Todo
+	HiLink clComment			Comment
+	HiLink clProcedure			Procedure
+	HiLink clBreak				Procedure
+	HiLink clInclude			Include
+	HiLink clSetOption			Statement
+	HiLink clSet				Identifier
+	HiLink clPreProc			PreProc
+	HiLink clOperator			Operator
+	HiLink clNumber				Number
+	HiLink clString				String
+	HiLink clQuote				Delimiter
+	HiLink clReserved			Identifier
+	HiLink clFunction			Function
+	HiLink clStatement			Statement
+
+	delcommand HiLink
+endif
+
+let b:current_syntax = "cl"
+
+" vim: ts=4 sw=4