selecting window into master position and then moves the current master
window back to the stack.

switch to it as well.

be clean/stripped down without too much assumption on what OS/System
it's running on.

eyes.

...+Shift to be 100px or 10ppt).  Also changed the predefined sizes.

calling it).

Other implementation is pretty env dependent.

Appropriate for new installs that might contain an older version of i3
(including VMs etc.).