Update runtime files
diff --git a/runtime/syntax/coco.vim b/runtime/syntax/coco.vim
index ae32348..dc21314 100644
--- a/runtime/syntax/coco.vim
+++ b/runtime/syntax/coco.vim
@@ -1,7 +1,7 @@
 " Vim syntax file
 " Language:     Coco/R
 " Maintainer:   Ashish Shukla <wahjava@gmail.com>
-" Last Change:  2007 Aug 10
+" Last Change:  2022 Jun 14
 " Remark:       Coco/R syntax partially implemented.
 " License:      Vim license
 
@@ -30,3 +30,4 @@
 hi def link cocoProductionCode   Statement
 hi def link cocoPragma           Special
 
+let b:current_syntax = 'coco'