Seriously, the general problem is that many, many such programs were written for older keyboards
by and for people who thought that a quadruple bucky
was normal for "real men".
So, you can learn the intricacies of termcap
& the like, find a terminal / 104-key keyboard friendly version of these editors, or perhaps swich to something else.
Pesonally I try to know just enough vi
for emergencies; but use mcedit
, or kate