-This checks whether the TTY erase char is C-h, and if it is, makes
-Control-H (Backspace) work sensibly, and moves help to Meta-? (ESC ?).
+A major drawback of this is that when C-h becomes backspace, it no
+longer invokes help. In that case, you need to use f1 for help, or
+bind another key. An example of the latter is the following code,
+which moves help to Meta-? (ESC ?):