updated for version 7.3.423

Problem:    Small mistakes in comments, proto and indent.
Solution:   Fix the mistakes.

Also update runtime files

runtime/syntax/opl.vim

@@ -1,6 +1,7 @@
 " Vim syntax file
 " Language:	OPL
 " Maintainer:	Czo <Olivier.Sirol@lip6.fr>
+" Last Change:	2012 Feb 03 by Thilo Six
 " $Id: opl.vim,v 1.1 2004/06/13 17:34:11 vimboss Exp $
 
 " Open Psion Language... (EPOC16/EPOC32)
@@ -13,6 +14,9 @@ elseif exists("b:current_syntax")
   finish
 endif
 
+let s:cpo_save = &cpo
+set cpo&vim
+
 " case is not significant
 syn case ignore
 
@@ -93,4 +97,6 @@ endif
 
 let b:current_syntax = "opl"
 
+let &cpo = s:cpo_save
+unlet s:cpo_save
 " vim: ts=8