Description of Problem:
Pushing backspace in an XEmacs session in a tty puts one into
the help keymap

Version-Release number of selected component (if applicable):


How Reproducible:
every time

Steps to Reproduce:
1. xemacs -q
2. Press Backspace

Actual Results:
C-h (Type ? for further options)

Expected Results:
The char behind point should have been deleted.

Additional Information:
Either tty-erase-char should be initialised to ?\^H in a tty,
eg

(if tty-erase-char
    (setq tty-erase-char ?\^H))

unless backspace is made to generate ?\^? (\177) in a tty.