Documentation / technical / api-xdiff-interface.txton commit builtin/merge-tree: convert remaining caller of get_sha1 to object_id (d1a35e5)
   1xdiff interface API
   2===================
   3
   4Talk about our calling convention to xdiff library, including
   5xdiff_emit_consume_fn.
   6
   7(Dscho, JC)