Hello Johnny,

   JB> In short, a key marked "delete", which is expected to
     > delete characters to the right of the cursor don't
     > exist on a VT100.

http://www.vt100.net/docs/vt100-ug/figure1-2a
http://www.vt100.net/docs/vt100-ug/table3-4.html

- Andy Ball