Update runtime files
diff --git a/runtime/doc/windows.txt b/runtime/doc/windows.txt
index d999962..0c37cf5 100644
--- a/runtime/doc/windows.txt
+++ b/runtime/doc/windows.txt
@@ -1,4 +1,4 @@
-*windows.txt* For Vim version 8.1. Last change: 2019 Aug 18
+*windows.txt* For Vim version 8.1. Last change: 2019 Oct 18
VIM REFERENCE MANUAL by Bram Moolenaar
@@ -312,6 +312,9 @@
:+quit " quit the next window
:+2quit " quit the second next window
<
+ When closing a help window, Vim will try to restore the
+ previous window layout |:helpclose|.
+
:q[uit]!
:{count}q[uit]!
Without {count}: Quit the current window. If {count} is