Updated runtime files.  Remove version checks for Vim older than 6.0.
diff --git a/runtime/syntax/ave.vim b/runtime/syntax/ave.vim
index 2a0a9d8..ae36939 100644
--- a/runtime/syntax/ave.vim
+++ b/runtime/syntax/ave.vim
@@ -11,11 +11,8 @@
 " I use some technologies to automatically load avenue scripts
 " into ArcView.
 
-" 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
 
@@ -59,34 +56,26 @@
 syn match aveTypos	"!="
 
 " 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_ave_syn_inits")
-  if version < 508
-	let did_ave_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>
 
-  HiLink aveStatement		Statement
+HiLink aveStatement		Statement
 
-  HiLink aveString		String
-  HiLink aveNumber		Number
+HiLink aveString		String
+HiLink aveNumber		Number
 
-  HiLink aveFixVariables	Special
-  HiLink aveVariables		Identifier
-  HiLink globalVariables	Special
-  HiLink aveConst		Special
+HiLink aveFixVariables	Special
+HiLink aveVariables		Identifier
+HiLink globalVariables	Special
+HiLink aveConst		Special
 
-  HiLink aveClassMethods	Function
+HiLink aveClassMethods	Function
 
-  HiLink aveOperator		Operator
-  HiLink aveComment		Comment
+HiLink aveOperator		Operator
+HiLink aveComment		Comment
 
-  HiLink aveTypos		Error
+HiLink aveTypos		Error
 
-  delcommand HiLink
-endif
+delcommand HiLink
 
 let b:current_syntax = "ave"