defaultStack Scope

[Dan Shafer]

It appears that setting the defaultStack of a stack file is a 
temporary action. If I change it from the Message Box, e.g., it never 
"sticks." If I say:

set the defaultStack to "Foo"

and then

put the defaultStack

it always returns the stack that was the default before I typed the message.

I can put the same two commands in a button's mouseUp handler and it works.

So the question is what else can reset the defaultStack property 
without my doing so explicitly?
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Dan Shafer
Technology Visionary - Technology Assessment - Documentation
"Looking at technology from every angle"
http://www.danshafer.com
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