| http://www.w3.org/ns/prov#value | - In the area of the [operand (1)], a section of bits 1 to 4 (a portion denoted by ???reserved???) is undefined and specific data (here, a value F which is ???1111???) is disposed in a section of bits 5 to 8 in order to indicate that the area is an area which is not used in the command.
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