So far:
```
:~/Desktop% tput al; echo $?
0
:~/Desktop% tput AL; echo $?
1%dL0
:~/Desktop% tput dl; echo $?
0
:~/Desktop% tput DL; echo $?
1%dM0
:~/Desktop% tput sf; echo $?
0
0~/Desktop% tput sr; echo $?
:~/Desktop% tput wi; echo $?
tput: unknown terminfo capability 'wi'
4
:~/Desktop% tput cs; echo $?
%p1%d;%p2%dr0
:~/Desktop% tput cS; echo $?
tput: unknown terminfo capability 'cS'
4
```
Seems like Mac Os doesn't support "wi", but the condition is still going to be true.
```
tty->line_ins_del_ok = 0;
```
make the emacs really smooth w/o any flickering.