Update runtime files.
diff --git a/runtime/doc/windows.txt b/runtime/doc/windows.txt
index 813de1b..38485f2 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 Oct 18
+*windows.txt* For Vim version 8.1. Last change: 2019 Oct 27
VIM REFERENCE MANUAL by Bram Moolenaar
@@ -548,6 +548,10 @@
CTRL-W CTRL-_ *CTRL-W_CTRL-_* *CTRL-W__*
CTRL-W _ Set current window height to N (default: highest possible).
+:{winnr}res[ize] [+-]N
+ Like `:resize` above, but apply the size to window {winnr}
+ instead of the current window.
+
z{nr}<CR> Set current window height to {nr}.
*CTRL-W_<*