Documentation / technical / api-xdiff-interface.txton commit builtin-shortlog.c: use string_list_append(), and don't strdup unnecessarily (fe73fc1)
   1xdiff interface API
   2===================
   3
   4Talk about our calling convention to xdiff library, including
   5xdiff_emit_consume_fn.
   6
   7(Dscho, JC)