diff --git a/editor/editor.lisp b/editor/editor.lisp
index 90c89cc..44cfe7d 100644
--- a/editor/editor.lisp
+++ b/editor/editor.lisp
@@ -873,7 +873,13 @@ Additionally ensures correct line numbers on the way, as a bonus."
   (cons :c key))
 
 (defparameter *csi-sequences*
-  '(((#\1 #\7 #\~) :f6)
+  '(((#\2 #\~) :insert)
+    ((#\3 #\~) :delete)
+    ((#\5 #\~) :page-up)
+    ((#\6 #\~) :page-down)
+    ((#\2 #\8 #\~) :help)
+    ((#\1 #\7 #\~) :f6)
+    ((#\2 #\9 #\~) :f6) ; Alias for VT220's "Do" key
     ((#\1 #\8 #\~) :f7)
     ((#\1 #\9 #\~) :f8)
     ((#\2 #\0 #\~) :f9)