to make stdlib install properly
validate args
validate arg, add default to case
validate args
refactor dialogs/auto_expanding_print_dialog to use ensure, default arg, and validate arg
refactor dialogs/auto_expanding_save_dialog to use ensure, default arg, and validate arg
refactor dialogs/file_view_mode to use default arg, and validate arg
refactor disk_images/auto_mount to use ensure, default arg, and validate arg
refactor disk_images/verification to use ensure, default arg, and validate arg
refactor disk_utility/advanced_image_options to use ensure, default arg, and validate arg
refactor disk_utility/hidden_partitions to use ensure, default arg, and validate arg
refactor displays/auto_brightness_adjustment to use ensure, default arg, and validate arg
refactor dock/autohide to use ensure, default arg, and validate arg
reorg alphabetically for real
refactor dock/hidden_app_dimming to use ensure, default arg, and validate arg
validate args
default arg
refactor dock/indicator_lights to use ensure, default arg, and validate arg
refactor dock/itunes_notifications to use ensure, default arg, and validate arg
refactor dock/magnification to use ensure, default arg, and validate arg