updated for version 7.3.423
Problem:    Small mistakes in comments, proto and indent.
Solution:   Fix the mistakes.

Also update runtime files
diff --git a/runtime/syntax/rpl.vim b/runtime/syntax/rpl.vim
index bc50475..6457803 100644
--- a/runtime/syntax/rpl.vim
+++ b/runtime/syntax/rpl.vim
@@ -1,7 +1,7 @@
 " Vim syntax file
 " Language:	RPL/2
 " Version:	0.15.15 against RPL/2 version 4.00pre7i
-" Last Change:	2003 august 24
+" Last Change:	2012 Feb 03 by Thilo Six
 " Maintainer:	Joël BERTRAND <rpl2@free.fr>
 " URL:		http://www.makalis.fr/~bertrand/rpl2/download/vim/indent/rpl.vim
 " Credits:	Nothing
@@ -14,6 +14,9 @@
   finish
 endif
 
+let s:cpo_save = &cpo
+set cpo&vim
+
 " Keyword characters (not used)
 " set iskeyword=33-127
 
@@ -488,4 +491,6 @@
 
 let b:current_syntax = "rpl"
 
+let &cpo = s:cpo_save
+unlet s:cpo_save
 " vim: ts=8 tw=132