diff --git a/runtime/syntax/elmfilt.vim b/runtime/syntax/elmfilt.vim
new file mode 100644
index 0000000..20f22d3
--- /dev/null
+++ b/runtime/syntax/elmfilt.vim
@@ -0,0 +1,70 @@
+" Vim syntax file
+" Language:	Elm Filter rules
+" Maintainer:	Dr. Charles E. Campbell, Jr. <NdrOchipS@PcampbellAfamily.Mbiz>
+" Last Change:	Sep 02, 2003
+" Version:	3
+" URL:	http://www.erols.com/astronaut/vim/index.html#vimlinks_syntax
+
+" 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
+
+syn cluster elmfiltIfGroup	contains=elmfiltCond,elmfiltOper,elmfiltOperKey,,elmfiltNumber,elmfiltOperKey
+
+syn match	elmfiltParenError	"[()]"
+syn match	elmfiltMatchError	"/"
+syn region	elmfiltIf	start="\<if\>" end="\<then\>"	contains=elmfiltParen,elmfiltParenError skipnl skipwhite nextgroup=elmfiltAction
+syn region	elmfiltParen	contained	matchgroup=Delimiter start="(" matchgroup=Delimiter end=")"	contains=elmfiltParen,@elmfiltIfGroup,elmfiltThenError
+syn region	elmfiltMatch	contained	matchgroup=Delimiter start="/" skip="\\/" matchgroup=Delimiter end="/"	skipnl skipwhite nextgroup=elmfiltOper,elmfiltOperKey
+syn match	elmfiltThenError	"\<then.*$"
+syn match	elmfiltComment	"^#.*$"		contains=@Spell
+
+syn keyword	elmfiltAction	contained	delete execute executec forward forwardc leave save savecopy skipnl skipwhite nextgroup=elmfiltString
+syn match	elmfiltArg	contained	"[^\\]%[&0-9dDhmrsSty&]"lc=1
+
+syn match	elmfiltOperKey	contained	"\<contains\>"			skipnl skipwhite nextgroup=elmfiltString
+syn match	elmfiltOperKey	contained	"\<matches\s"			nextgroup=elmfiltMatch,elmfiltSpaceError
+syn keyword	elmfiltCond	contained	cc bcc lines always subject sender from to lines received	skipnl skipwhite nextgroup=elmfiltString
+syn match	elmfiltNumber	contained	"\d\+"
+syn keyword	elmfiltOperKey	contained	and not				skipnl skipwhite nextgroup=elmfiltOper,elmfiltOperKey,elmfiltString
+syn match	elmfiltOper	contained	"\~"				skipnl skipwhite nextgroup=elmfiltMatch
+syn match	elmfiltOper	contained	"<=\|>=\|!=\|<\|<\|="		skipnl skipwhite nextgroup=elmfiltString,elmfiltCond,elmfiltOperKey
+syn region	elmfiltString	contained	start='"' skip='"\(\\\\\)*\\["%]' end='"'	contains=elmfiltArg skipnl skipwhite nextgroup=elmfiltOper,elmfiltOperKey
+syn region	elmfiltString	contained	start="'" skip="'\(\\\\\)*\\['%]" end="'"	contains=elmfiltArg skipnl skipwhite nextgroup=elmfiltOper,elmfiltOperKey
+syn match	elmfiltSpaceError	contained	"\s.*$"
+
+" 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_elmfilt_syntax_inits")
+  if version < 508
+    let did_elmfilt_syntax_inits = 1
+    command -nargs=+ HiLink hi link <args>
+  else
+    command -nargs=+ HiLink hi def link <args>
+  endif
+
+  HiLink elmfiltAction	Statement
+  HiLink elmfiltArg	Special
+  HiLink elmfiltComment	Comment
+  HiLink elmfiltCond	Statement
+  HiLink elmfiltIf	Statement
+  HiLink elmfiltMatch	Special
+  HiLink elmfiltMatchError	Error
+  HiLink elmfiltNumber	Number
+  HiLink elmfiltOper	Operator
+  HiLink elmfiltOperKey	Type
+  HiLink elmfiltParenError	Error
+  HiLink elmfiltSpaceError	Error
+  HiLink elmfiltString	String
+  HiLink elmfiltThenError	Error
+
+  delcommand HiLink
+endif
+
+let b:current_syntax = "elmfilt"
+" vim: ts=9