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ref: 4ebaba864c1e8b4ef399860857dc29ca1c121a9a parent: 5b5134eaeabb6620c68310a78cadcb7a8d473bce author: huili2 <huili2@cisco.com> date: Mon Nov 14 09:31:37 EST 2016
add part of VUI parse in sps, and add SAR option in GetOption()