on.keychord_press = function(chord, key)
	if chord == 'C-=' then
		update_font_settings(Current_pane.editor_state.font_height+2)
	elseif chord == 'C--' then
		update_font_settings(Current_pane.editor_state.font_height-2)
	elseif chord == 'C-0' then
		update_font_settings(20)
	else
		edit.keychord_press(Current_pane.editor_state, chord, key)
	end
end