Documentation / technical / api-xdiff-interface.txton commit t7508: demonstrate status's failure to use --porcelain format with -z (95b9f9f)
   1xdiff interface API
   2===================
   3
   4Talk about our calling convention to xdiff library, including
   5xdiff_emit_consume_fn.
   6
   7(Dscho, JC)