anchor.diff:             format
              :void))
          (defun csound-message-v (this attr format args)
  -         (verrazano-support:virtual-funcall
  +         (virtual-funcall
              this
              53
              0
  
positive.code:            rtplay--
             :void))
         (defun csound-set-recopen-callback (this recopen-)
           (verrazano-support:virtual-funcall
             this
             83
             0
  
negative.code:            num-fields
             :int))
         (defun csound-set-external-midi-in-open-callback (this func)
           (virtual-funcall
             this
             62
             0
  