Documentation / technical / api-xdiff-interface.txton commit refs.c: move dwim_ref()/dwim_log() from sha1_name.c (ff74f7f)
   1xdiff interface API
   2===================
   3
   4Talk about our calling convention to xdiff library, including
   5xdiff_emit_consume_fn.
   6
   7(Dscho, JC)