Fix issue #4913 Assert on svn move [URL] [URL]/subdir. * libsvn_client/copy.c: (try_copy): Always check if target is child of the source when performing a move. * tests/cmdline/copy_tests.py (url_move_parent_into_child, wc_move_parent_into_child): New test cases, inspired by similarly named _copy_ test cases (test_list): Run the new test cases See dev@ https://lists.apache.org/thread/s4byt3p2tot453smhhdlh0fhygy2bhb9