Documentation / technical / api-xdiff-interface.txton commit fetch/pull: Add the 'on-demand' value to the --recurse-submodules option (8f0700d)
   1xdiff interface API
   2===================
   3
   4Talk about our calling convention to xdiff library, including
   5xdiff_emit_consume_fn.
   6
   7(Dscho, JC)