Documentation / technical / api-xdiff-interface.txton commit git-p4: python3: replace dict.has_key(k) with "k in dict" (dba1c9d)
   1xdiff interface API
   2===================
   3
   4Talk about our calling convention to xdiff library, including
   5xdiff_emit_consume_fn.
   6
   7(Dscho, JC)