Updated runtime files.  Remove version checks for Vim older than 6.0.
diff --git a/runtime/syntax/cuplsim.vim b/runtime/syntax/cuplsim.vim
index 18a30ce..d0c9ec3 100644
--- a/runtime/syntax/cuplsim.vim
+++ b/runtime/syntax/cuplsim.vim
@@ -3,21 +3,14 @@
 " Maintainer:	John Cook <john.cook@kla-tencor.com>
 " Last Change:	2001 Apr 25
 
-" 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")
+" quit when a syntax file was already loaded
+if exists("b:current_syntax")
   finish
 endif
 
 " Read the CUPL syntax to start with
-if version < 600
-  source <sfile>:p:h/cupl.vim
-else
-  runtime! syntax/cupl.vim
-  unlet b:current_syntax
-endif
+runtime! syntax/cupl.vim
+unlet b:current_syntax
 
 " omit definition-specific stuff
 syn clear cuplStatement
@@ -53,28 +46,20 @@
 syn sync minlines=1
 
 " 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_cuplsim_syn_inits")
-  if version < 508
-    let did_cuplsim_syn_inits = 1
-    command -nargs=+ HiLink hi link <args>
-  else
-    command -nargs=+ HiLink hi def link <args>
-  endif
+" Only when an item doesn't have highlighting yet
+command -nargs=+ HiLink hi def link <args>
 
-  " append to the highlighting links in cupl.vim
-  " The default highlighting.
-  HiLink cuplsimOrder		cuplStatement
-  HiLink cuplsimBase		cuplStatement
-  HiLink cuplsimBaseType	cuplStatement
-  HiLink cuplsimVectors		cuplStatement
-  HiLink cuplsimStimulus	cuplNumber
-  HiLink cuplsimOutput		cuplNumber
-  HiLink cuplsimOrderFormat	cuplNumber
+" append to the highlighting links in cupl.vim
+" The default highlighting.
+HiLink cuplsimOrder		cuplStatement
+HiLink cuplsimBase		cuplStatement
+HiLink cuplsimBaseType	cuplStatement
+HiLink cuplsimVectors		cuplStatement
+HiLink cuplsimStimulus	cuplNumber
+HiLink cuplsimOutput		cuplNumber
+HiLink cuplsimOrderFormat	cuplNumber
 
-  delcommand HiLink
-endif
+delcommand HiLink
 
 let b:current_syntax = "cuplsim"
 " vim:ts=8