Update runtime files.
diff --git a/runtime/doc/message.txt b/runtime/doc/message.txt
index 5bdcb9e..4d51a84 100644
--- a/runtime/doc/message.txt
+++ b/runtime/doc/message.txt
@@ -1,4 +1,4 @@
-*message.txt*   For Vim version 8.0.  Last change: 2017 Oct 14
+*message.txt*   For Vim version 8.0.  Last change: 2018 Feb 04
 
 
 		  VIM REFERENCE MANUAL    by Bram Moolenaar
@@ -76,7 +76,7 @@
 LIST OF MESSAGES
 			*E222* *E228* *E232* *E256* *E293* *E298* *E304* *E317*
 			*E318* *E356* *E438* *E439* *E440* *E316* *E320* *E322*
-			*E323* *E341* *E473* *E570* *E685*  >
+			*E323* *E341* *E473* *E570* *E685* *E950*  >
   Add to read buffer
   makemap: Illegal mode
   Cannot create BalloonEval with both message and callback
@@ -97,6 +97,7 @@
   Internal error
   Internal error: {function}
   fatal error in cs_manage_matches
+  Invalid count for del_bytes(): {N}
 
 This is an internal error.  If you can reproduce it, please send in a bug
 report. |bugs|