Update runtime files
diff --git a/runtime/doc/map.txt b/runtime/doc/map.txt
index 3868704..8da3a78 100644
--- a/runtime/doc/map.txt
+++ b/runtime/doc/map.txt
@@ -1,4 +1,4 @@
-*map.txt*       For Vim version 8.2.  Last change: 2021 Aug 05
+*map.txt*       For Vim version 8.2.  Last change: 2021 Sep 12
 
 
 		  VIM REFERENCE MANUAL    by Bram Moolenaar