Update runtime files
diff --git a/runtime/doc/quickref.txt b/runtime/doc/quickref.txt
index aa5a36a..e532942 100644
--- a/runtime/doc/quickref.txt
+++ b/runtime/doc/quickref.txt
@@ -1,4 +1,4 @@
-*quickref.txt* For Vim version 8.2. Last change: 2021 Oct 17
+*quickref.txt* For Vim version 8.2. Last change: 2021 Dec 21
VIM REFERENCE MANUAL by Bram Moolenaar
@@ -1010,6 +1010,7 @@
'writeany' 'wa' write to file with no need for "!" override
'writebackup' 'wb' make a backup before overwriting a file
'writedelay' 'wd' delay this many msec for each char (for debug)
+'xtermcodes' request terminal codes from an xterm
------------------------------------------------------------------------------
*Q_ur* Undo/Redo commands