diff --git a/runtime/syntax/rib.vim b/runtime/syntax/rib.vim
new file mode 100644
index 0000000..6b9f2b0
--- /dev/null
+++ b/runtime/syntax/rib.vim
@@ -0,0 +1,73 @@
+" Vim syntax file
+" Language:	Renderman Interface Bytestream
+" Maintainer:	Andrew Bromage <ajb@spamcop.net>
+" Last Change:	2003 May 11
+"
+
+" Remove any old syntax stuff hanging around
+if version < 600
+  syn clear
+elseif exists("b:current_syntax")
+  finish
+endif
+
+syn case match
+
+" Comments
+syn match   ribLineComment      "#.*$"
+syn match   ribStructureComment "##.*$"
+
+syn case ignore
+syn match   ribCommand	       /[A-Z][a-zA-Z]*/
+syn case match
+
+syn region  ribString	       start=/"/ skip=/\\"/ end=/"/
+
+syn match   ribStructure	"[A-Z][a-zA-Z]*Begin\>\|[A-Z][a-zA-Z]*End"
+syn region  ribSectionFold	start="FrameBegin" end="FrameEnd" fold transparent keepend extend
+syn region  ribSectionFold	start="WorldBegin" end="WorldEnd" fold transparent keepend extend
+syn region  ribSectionFold	start="TransformBegin" end="TransformEnd" fold transparent keepend extend
+syn region  ribSectionFold	start="AttributeBegin" end="AttributeEnd" fold transparent keepend extend
+syn region  ribSectionFold	start="MotionBegin" end="MotionEnd" fold transparent keepend extend
+syn region  ribSectionFold	start="SolidBegin" end="SolidEnd" fold transparent keepend extend
+syn region  ribSectionFold	start="ObjectBegin" end="ObjectEnd" fold transparent keepend extend
+
+syn sync    fromstart
+
+"integer number, or floating point number without a dot and with "f".
+syn case ignore
+syn match	ribNumbers	  display transparent "[-]\=\<\d\|\.\d" contains=ribNumber,ribFloat
+syn match	ribNumber	  display contained "[-]\=\d\+\>"
+"floating point number, with dot, optional exponent
+syn match	ribFloat	  display contained "[-]\=\d\+\.\d*\(e[-+]\=\d\+\)\="
+"floating point number, starting with a dot, optional exponent
+syn match	ribFloat	  display contained "[-]\=\.\d\+\(e[-+]\=\d\+\)\=\>"
+"floating point number, without dot, with exponent
+syn match	ribFloat	  display contained "[-]\=\d\+e[-+]\d\+\>"
+syn case match
+
+if version >= 508 || !exists("did_rib_syntax_inits")
+  if version < 508
+    let did_rib_syntax_inits = 1
+    command -nargs=+ HiLink hi link <args>
+  else
+    command -nargs=+ HiLink hi def link <args>
+  endif
+
+  HiLink ribStructure		Structure
+  HiLink ribCommand		Statement
+
+  HiLink ribStructureComment	SpecialComment
+  HiLink ribLineComment		Comment
+
+  HiLink ribString		String
+  HiLink ribNumber		Number
+  HiLink ribFloat		Float
+
+  delcommand HiLink
+end
+
+
+let b:current_syntax = "rib"
+
+" Options for vi: ts=8 sw=2 sts=2 nowrap noexpandtab ft=vim