DPB, DPBS, something like that

[SOLEY@XX.LCS.MIT.EDU]

    Date: Wednesday, 6 August 1986  10:31-EDT
    From: David C. Plummer <DCP at QUABBIN.SCRC.Symbolics.COM>
    To:   common-lisp at SU-AI.ARPA
    Re:   DPB, DPBS, something like that

    	(dpb val1 spec1 (dpb val2 spec2 (dpb val3 spec3 ... int)))
	==>
    	(dpb val1 spec1 val2 spec2 val3 spec3 ... int)

    Have others had a need for this and would find this generally useful?

I too have written this a million times.  It's an obvious
upward-compatible extension.