Update runtime files.
diff --git a/runtime/doc/windows.txt b/runtime/doc/windows.txt
index 79d00a7..2906298 100644
--- a/runtime/doc/windows.txt
+++ b/runtime/doc/windows.txt
@@ -1,4 +1,4 @@
-*windows.txt* For Vim version 8.2. Last change: 2022 Jan 08
+*windows.txt* For Vim version 8.2. Last change: 2022 Feb 03
VIM REFERENCE MANUAL by Bram Moolenaar
@@ -168,7 +168,7 @@
Note: CTRL-S does not work on all terminals and might block
further input, use CTRL-Q to get going again.
Also see |++opt| and |+cmd|.
- *E242*
+ *E242* *E1159*
Be careful when splitting a window in an autocommand, it may
mess up the window layout if this happens while making other
window layout changes.