Updated runtime files.  Remove version checks for Vim older than 6.0.
diff --git a/runtime/syntax/stp.vim b/runtime/syntax/stp.vim
index f4f0f3b..fbd6596 100644
--- a/runtime/syntax/stp.vim
+++ b/runtime/syntax/stp.vim
@@ -4,11 +4,8 @@
 "	  URL: http://lanzarotta.tripod.com/vim/syntax/stp.vim.zip
 " Last Change: March 05, 2002
 
-" 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
 
@@ -131,36 +128,28 @@
 syn sync minlines=10 maxlines=100
 
 " Define the default highlighting.
-" For version 5.x and earlier, only when not done already.
-" For version 5.8 and later, only when and item doesn't have highlighting yet.
-if version >= 508 || !exists("did_stp_syn_inits")
-  if version < 508
-    let did_stp_syn_inits = 1
-    command -nargs=+ HiLink hi link <args>
-  else
-    command -nargs=+ HiLink hi def link <args>
-  endif
+" Only when and item doesn't have highlighting yet.
+command -nargs=+ HiLink hi def link <args>
 
-  HiLink stpConditional Conditional
-  HiLink stpComment Comment
-  HiLink stpKeyword Keyword
-  HiLink stpNumber Number
-  HiLink stpOperator Operator
-  HiLink stpSpecial Special
-  HiLink stpStatement Statement
-  HiLink stpString String
-  HiLink stpStringError Error
-  HiLink stpType Type
-  HiLink stpTodo Todo
-  HiLink stpFunction Function
-  HiLink stpGlobals Macro
-  HiLink stpParen Normal
-  HiLink stpParenError Error
-  HiLink stpSQLKeyword Function
-  HiLink stpRepeat Repeat
+HiLink stpConditional Conditional
+HiLink stpComment Comment
+HiLink stpKeyword Keyword
+HiLink stpNumber Number
+HiLink stpOperator Operator
+HiLink stpSpecial Special
+HiLink stpStatement Statement
+HiLink stpString String
+HiLink stpStringError Error
+HiLink stpType Type
+HiLink stpTodo Todo
+HiLink stpFunction Function
+HiLink stpGlobals Macro
+HiLink stpParen Normal
+HiLink stpParenError Error
+HiLink stpSQLKeyword Function
+HiLink stpRepeat Repeat
 
-  delcommand HiLink
-endif
+delcommand HiLink
 
 let b:current_syntax = "stp"