action.colour = Colour
action.calculate = Calculate
action.select_all = Select all
+action.select_highlighted_columns = Select Highlighted Columns
+tooltip.select_highlighted_columns = Press B to mark highlighted columns, Ctrl-B to toggle, and Alt-B to mark all but highlighted columns
action.deselect_all = Deselect all
action.invert_selection = Invert selection
action.using_jmol = Using Jmol