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Ness is the ATK extension language.  It can be used to define customized 
behavior for ATK objects.


Because Ness is a full-powered programming language, security problems are 
raised.  How would you like to read a piece of mail containing a Ness inset 
which, before you realize it, is busy deleting all your files?


Ness's solution to this problem is to disable the script until the user is 
satisfied that it won't do anything malicious.  A user is encouraged to read a 
Ness script before running it.  Ness even has an option, ``Scan for danger,'' 
which will try to identify portions of the Ness program that may do harm.


A Ness script looks like a text sub-inset.  Here is an example:


\leftindent{The two button insets below, labeled ``Hit Me Once'' and ``Hit Me 
Twice,'' do not have any behavior associated with them.  You push them, and 
nothing happens.  The Ness script below the buttons, once empowered, will 
associate an action with the second button.  Read the Ness script, and then 
empower it.  Now the ``Hit Me Twice'' button will display a short message in 
the bottom of the window when pressed.

}
\center{\
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\V 2
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>10
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10 538756616 1 0 0 0 
>OBJ< value
>VIEW< buttonV
>REF< deadbutton
>LINK< P 
\begindata{text,538514932}
\textdsversion{12}
[string] <style> ()

[string] <background-color> ()

[string] <foreground-color> ()

[long] <bodyfont-size> (14)

[string] <bodyfont> (times)

[string] <label> (Hit Me Once)

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\V 2
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>4
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10 538756872 1 0 0 0 
>OBJ< value
>VIEW< buttonV
>REF< livebutton
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\textdsversion{12}
[string] <style> ()

[string] <background-color> ()

[string] <foreground-color> ()

[long] <bodyfont-size> (14)

[string] <bodyfont> (times)

[string] <label> (Hit Me Twice)

\enddata{text,538287976}
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\begindata{ness,538752008}
\origin{01\\15 Oct 1991 at 12:49:55 EDT\\bobg:  Robert Steven Glickstein\\00}
\template{default}
\define{global
}
\define{sans
menu:[Font,Sans]
attr:[FontFamily AndySans Int 0]}
extend "livebutton"

	on mouse "any"

		if mouseaction = mouseleftup then

			TellUser("Hit me chicken soup with rice")

		end if

	end mouse

end extend

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Datastream version: 3
$(ANDREWDIR)/doc/AtkTour/Dict
0
0
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Datastream version: 2
Dict
2

black
white
\enddata{link,538757000}
\enddata{link,538757000}
	\begindata{text,538376612}
\textdsversion{12}
A Ness example:  Looking up dictionary definitions.\
\enddata{text,538376612}

\begindata{link,538757128}
Datastream version: 3
$(ANDREWDIR)/doc/AtkTour/Birth
0
0
\begindata{link,538757128}
Datastream version: 2
Birth
2

black
white
\enddata{link,538757128}
\enddata{link,538757128}
	\begindata{text,538608648}
\textdsversion{12}
A Ness example:  A birthday-quotation database.\
\enddata{text,538608648}

\begindata{link,538757256}
Datastream version: 3
$(ANDREWDIR)/doc/AtkTour/Volume
0
0
\begindata{link,538757256}
Datastream version: 2
Volume
2

black
white
\enddata{link,538757256}
\enddata{link,538757256}
	\begindata{text,538352996}
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A Ness example:  Programmatic links between insets.\
\enddata{text,538352996}

\begindata{link,538757384}
Datastream version: 3
$(ANDREWDIR)/doc/AtkTour/Adew
0
0
\begindata{link,538757384}
Datastream version: 2
Adew
2

black
white
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	\begindata{text,538475488}
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Adew combines with Ness to make a powerful application-builder.\
\enddata{text,538475488}

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Datastream version: 3
$(ANDREWDIR)/doc/AtkTour/Menu
0
0
\begindata{link,538756232}
Datastream version: 2
Menu
2

black
white
\enddata{link,538756232}
\enddata{link,538756232}
	\begindata{text,539026032}
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Menu of nodes for this tour.\
\enddata{text,539026032}

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Copyright 1992 Carnegie Mellon University and IBM.  All rights reserved.

\smaller{\smaller{$Disclaimer: Andrew User Interface System - Binary Distribution 7.5



Permission to use, copy, modify, and distribute this software for any 

purpose is hereby granted, provided (a) that no fee is charged for the 

software, for the medium on which it is distributed, for the 

distribution process, or for effort involved in making the distribution;  

(b) that all copyright notices, this permission notice, and the 

following disclaimer remain in these files and appear in supporting 

documentation;  (c) that you do not translate, reverse engineer, 

decompile, or disassemble the software; and (d) that the names of 

IBM, Carnegie Mellon University, and other copyright holders not 

be used in advertising or publicity pertaining to distribution of the 

software.



CARNEGIE MELLON UNIVERSITY, IBM, AND THE OTHER 

COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES 

WITH REGARD TO THIS SOFTWARE, INCLUDING ALL 

IMPLIED WARRANTIES OF MERCHANTABILITY AND 

FITNESS.  IN NO EVENT SHALL CARNEGIE MELLON 

UNIVERSITY, IBM, OR ANY OTHER COPYRIGHT HOLDER 

BE LIABLE FOR ANY SPECIAL, INDIRECT OR 

CONSEQUENTIAL DAMAGES OR ANY DAMAGES 

WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR 

PROFITS, WHETHER IN AN ACTION OF CONTRACT, 

NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING 

OUT OF OR IN CONNECTION WITH THE USE OR 

PERFORMANCE OF THIS SOFTWARE.

 $

}}\enddata{text,538476484}
