2014-06-13 11:34 UTC+0200 Viktor Szakats (vszakats users.noreply.github.com)
  * contrib/xhb/xhb.hbx
  * contrib/xhb/xhbole.prg
    + added OleDefaultArg(), based on this post:
      https://groups.google.com/d/msg/harbour-devel/bRneRR9O4Ew/6LUtYfCbGPQJ