updated for version 7.3.940

Problem:    Python: Can't get position of window.
Solution:   Add window.row and window.col. (ZyX)

runtime/doc/if_pyth.txt

@@ -400,6 +400,9 @@ Window attributes are:
 				This is zero in case it cannot be determined
 				(e.g. when the window object belongs to other
 				tab page).
+ 	row, col (read-only)	On-screen window position in display cells.
+				First position is zero.
+
 The height attribute is writable only if the screen is split horizontally.
 The width attribute is writable only if the screen is split vertically.