:echo nil in presentation to command trans.

• To: SWM@neuromancer.scrc.symbolics.com
• Subject: :echo nil in presentation to command trans.
• From: Benjamin Renaud <benjamin@reagan.ai.mit.edu>
• Date: Tue, 21 Dec 1993 10:35-0500
• Cc: clim@BBN.COM
• Character-Type-Mappings: (1 0 (NIL 0) (:FIX :ROMAN :NORMAL) "CPTFONT") (2 0 (NIL 0) (NIL :ROMAN NIL) "CPTFONT")
• Fonts: CPTFONT, CPTFONT, CPTFONT
• In-Reply-To: <19931221021725.3.SWM@[128.81.253.18]>

    Date: Mon, 20 Dec 1993 21:17 EST
    From: Scott McKay <SWM@neuromancer.scrc.symbolics.com>

	Date: Mon, 20 Dec 1993 17:27 EST
	From: Benjamin Renaud <benjamin@ai.mit.edu>

        <...>

	I also noticed that the command still goes to the output history,
	however, which causes the command to show up if one tries to get up
	the command history (ctrl-(meta)-y on Genera). I was wondering if
	maybe :echo nil should be changed to eliminate this, or if there is
	another way to do the trick.

    You discovered :ECHO NIL, but didn't discover :MAINTAIN-HISTORY NIL.

    Do I win any sort of bet for guessing that someone would ask for this sometime?


Well I have discovered :maintain-history nil as well. It's just that it
looks like it does not work. Did you bet on that one as well? ;-)

-Benjamin

PS: here is what is happening exactly:

(define-presentation-to-command-translator
  1survey-query-to-com-edit-query-inside-form
0    (survey-query 1com-edit-query-in0side1-form 0interface-command-table
	   :documentation "Edits a query within a form"
	   :gesture :select
	   :echo nil
	   :maintain-history nil)
    2(object0)					
  `1(0,2object0))

The :echo seems to work, but :maintain-history does not seem to work.
If it matters at all: the survey-query presentation type is used within
a custom view (called INSIDE-FORM). 

• :echo nil in presentation to command trans.
• From: Scott McKay <SWM@stony-brook.scrc.symbolics.com>
• :echo nil in presentation to command trans.
• From: Scott McKay <SWM@stony-brook.scrc.symbolics.com>

• :echo nil in presentation to command trans.
• From: Scott McKay <SWM@"[128.81.253.18]">

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