Update runtime files.
diff --git a/runtime/syntax/objc.vim b/runtime/syntax/objc.vim
index 8829b49..665a47a 100644
--- a/runtime/syntax/objc.vim
+++ b/runtime/syntax/objc.vim
@@ -3,7 +3,10 @@
" Maintainer: Kazunobu Kuriyama <kazunobu.kuriyama@nifty.com>
" Ex-maintainer: Anthony Hodsdon <ahodsdon@fastmail.fm>
" First Author: Valentino Kyriakides <1kyriaki@informatik.uni-hamburg.de>
-" Last Change: 2012 Apr 30
+" Last Change: 2013 Feb 20
+"
+" 2013 Feb 19 Revised based on a patch sent to the maintainer by
+" Christos Kontas <xakon@yahoo.com> on 2012 Dec 12.
" For version 5.x: Clear all syntax items
" For version 6.x: Quit when a syntax file was already loaded
@@ -48,6 +51,11 @@
syn match objcDirective "@encode\|@protocol\|@selector"
syn match objcDirective "@try\|@catch\|@finally\|@throw\|@synchronized"
+ " New directives introduced with Objc-2.0
+syn match objcDirective "@property\|@synthesize\|@dynamic"
+syn match objcDirective "@optional\|@required"
+syn match objcDirective "@autoreleasepool"
+
" Match the ObjC method types
"
" NOTE: here I match only the indicators, this looks