040000 tree 5f5c90f7bf406934b7dadbb94a10278275a97ce2	calc_xml_inout
040000 tree 8b59170fc2b45600be02e70f8b596e6a2da52c18	calculator
040000 tree d21ca3fc2f41e2c18f255a293105a90243033e4b	interop_doc1
040000 tree a05a01a20595d11156fc08df7aeba2ecf27a6b0c	interop_doc2