--- posts/2013-10-18-metadata-test.md
a1: 8
a2: 8
a3: 8
a4: 8
a5: 8
a6: 8
a7: 8
a8: 8

--- posts/*
a1: 7
a2: 7
a3: 7
a4: 7
a5: 7
a6: 7
a7: 7

--- **
a1: 6
a2: 6
a3: 6
a4: 6
a5: 6
a6: 6