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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< ÑP 
\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
\begindata{text,538287976}
\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}
\enddata{cel,539179528}
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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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\begindata{link,538757000}
Datastream version: 3
$(ANDREWDIR)/doc/AtkTour/Dict
0
0
\begindata{link,538757000}
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}
\textdsversion{12}
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
\enddata{link,538757384}
\enddata{link,538757384}
	\begindata{text,538475488}
\textdsversion{12}
Adew combines with Ness to make a powerful application-builder.\
\enddata{text,538475488}

\begindata{link,538756232}
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}
\textdsversion{12}
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: This software is part of version 6.1 of the 

Andrew User Interface System and is 

the property of IBM, Carnegie Mellon University, 

and the other copyright holders.  The source 

code of this version is for the sole use of 

the individual named in ./config/allsys.h.  

This source code is not to be redistributed.  

Binary object code compiled or derived from 

these sources is not to be distributed to non-

members.  Members may have additional 

distribution rights granted by prior written 

permission of Carnegie Mellon University.



IBM, CARNEGIE MELLON UNIVERSITY, 

AND THE OTHER COPYRIGHT HOLDERS

 DISCLAIM ALL WARRANTIES WITH 

REGARD TO THIS SOFTWARE, INCLUDING 

ALL IMPLIED WARRANTIES OF MERCHANT-

ABILITY AND FITNESS. IN 

NO EVENT SHALL  IBM, CARNEGIE 

MELLON UNIVERSITY, OR ANY OTHER 

COPYRIGHT HOLDER BE LIABLE FOR 

ANY SPECIAL, INDIRECT OR CONSE-

QUENTIAL 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}
