Documentation / technical / api-xdiff-interface.txton commit mergetool--lib: remove no-op assignment to $status from setup_user_tool (e00e13e)
   1xdiff interface API
   2===================
   3
   4Talk about our calling convention to xdiff library, including
   5xdiff_emit_consume_fn.
   6
   7(Dscho, JC)