Does 9.0 honor TERM settings

[J B]

> Well, then, where is the setting that makes the F7 key send E[18~ instead
> of the standard E[S?

I think you will find a hint here:
https://wiki.archlinux.org/index.php/Home_and_End_keys_not_working

Btw, in the vi editor you can type a control key into your text file
by first typing
'^V' followed by the control character desired, e.g. '^V^H' for '^H'.

jb