--- ** a1: 5 a2: 5 a3: 5 a4: 5 a5: 5 --- * a1: 4 a2: 4 a3: 4 a4: 4 --- 2013-10-18-metadata-test.md a1: 3 a2: 3 a3: 3 --- nonexistent a3: 0