Plugin integration for static commands

[haxfn]

Things like normal_mode, extend_line, move_char_left also termed as static commands (#12050).

Is there a plan to integrate then with steel? If so, what will be the interface?

[david-crespo]

Yes.

The basic built in functions are first all of the function that are typed and static

#8675

You can also see references to static-commands in recent comments.