🚀 go-pugleaf

I'm looking for a way to save a rectangular portion of a text screen
for later retreival.  My goal is to make a pop-up window function for
a program that I am working on.

I've got the window part working but I cannot find a way to replace
the overwritten characters after the window goes away.

_getimage()/_putimage() do not seem to work in text mode.  Is there
another way to do things or am I doing something wrong with
_getimage/_putimage? 

Thanks,
JOn.
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