Argument(name='block', aliases=['set'], type='int', default=0,
help="""
Data block to save. For an approach/retract force curve, `0` selects
-the approacing curve and `1` selects the retracting curve.
+the approaching curve and `1` selects the retracting curve.
""".strip()),
Argument(name='bounds', type='point', optional=False, count=2,
help="""