Merge branch 'kb/ancestry-path-threedots' into maint

* kb/ancestry-path-threedots: revision.c: treat A...B merge bases as if manually specified t6019: demonstrate --ancestry-path A...B breakage

Junio C Hamano committed Jun 27, 2013 at 14:37 UTC 81de16a5d5d1efffb472eac9d2a7f373cdcd906b

No changes.