0 selected
[Mouse1] Select
[Shift + Mouse1] Range selection
[Shift + UParrow / DOWNarrow] Extend selection
[Ctrl + Mouse1] Managed selection
[Ctrl + A] Select all
[Mouse1 > DRAG] Multi-select
[Space] Toggle
[E] Edit
[Enter] Confirm
[Esc] Cancel / unselect
[Ctrl + S] Save all