Documentation / technical / api-xdiff-interface.txton commit t/t3905: use the name 'actual' for test output, swap arguments to test_cmp (4fd7312)
   1xdiff interface API
   2===================
   3
   4Talk about our calling convention to xdiff library, including
   5xdiff_emit_consume_fn.
   6
   7(Dscho, JC)