Escape sequences sent when keypad and cursor keys application modes
are enabled, and when XTerm uses Sun/PC to VT keyboard mapping
(option -sp or the 'sunKeyboard' resource set to True)

Key	Escape Sequence

/	ESC O o
*	ESC O j
-	ESC O m
7	ESC O w
8	ESC O x
9	ESC O y
4	ESC O t
5	ESC O u
6	ESC O v
1	ESC O q
2	ESC O r
3	ESC O s
0	ESC O p
..	ESC O n
+	ESC O l
Enter	ESC O M
.