has fallback so that if attempt result in no change, focuses other
direction.

layouts.

and mod_next.

simplified workspaces (now get interatively generated).

(https://github.com/jtaala/i3-jt/tree/origin/con_move_to_mark-focus_next).

STK mark.

bindsym.

bindsyms.

anymore.

has more than 1 child).