Update runtime files.
diff --git a/runtime/doc/message.txt b/runtime/doc/message.txt
index 5024b3e..9ce649d 100644
--- a/runtime/doc/message.txt
+++ b/runtime/doc/message.txt
@@ -1,4 +1,4 @@
-*message.txt* For Vim version 8.2. Last change: 2020 Aug 20
+*message.txt* For Vim version 8.2. Last change: 2020 Sep 07
VIM REFERENCE MANUAL by Bram Moolenaar
@@ -75,7 +75,7 @@
LIST OF MESSAGES
- *E222* *E228* *E232* *E256* *E293* *E298* *E304* *E317*
+ *E222* *E228* *E232* *E293* *E298* *E304* *E317*
*E318* *E356* *E438* *E439* *E440* *E316* *E320* *E322*
*E323* *E341* *E473* *E570* *E685* *E292* >
Add to read buffer