Selection with the mouse can be done by:

    1. Ctrl+click adds toggles rows to and from a discontiguous selection.
    2. Draging mouse over rows makes a contiguous selection.
    3. Shift+click extends a contiguous selection to the clicked row.

Key	Action	Notes
{Up,Down}	goto {previous,next} item in list
Ctrl+{Up,Down}	scroll list {up,down}
Ctrl+home	goto start of list
Ctrl+end	goto end of list
Shift+{Up,Down}	select range
space	select item
Ctrl+Space	toggle "keyboard discontiguous selection" mode	selections with keyboard don't cancel previous selections. Note selecting with the mouse also, turns off this mode.