Documentation / technical / api-xdiff-interface.txton commit git: treat "git -C '<path>'" as a no-op when <path> is empty (6a536e2)
   1xdiff interface API
   2===================
   3
   4Talk about our calling convention to xdiff library, including
   5xdiff_emit_consume_fn.
   6
   7(Dscho, JC)