Documentation / technical / api-xdiff-interface.txton commit t3404: Add test case for auto-amending only edited commits after "edit" (f8aa1b6)
   1xdiff interface API
   2===================
   3
   4Talk about our calling convention to xdiff library, including
   5xdiff_emit_consume_fn.
   6
   7(Dscho, JC)