100644 blob 010a9b009b14a43ecca76e38ad325d49df49dad2	application_development.rst
040000 tree 3fbf820792a967b221b532690a217409aa709347	code_relocation
040000 tree 439982d1748bfac13ec9a991aedbd158f523e6da	external_lib
040000 tree 838134dcb91491b4fb2f3db3b9f37c8b2d78b379	out_of_tree_board