> if the presentation of expression output in Maxima were built on
> [various systems], it would not be hideously difficult to present
> the output so that subexpressions would be selectable, representable
> in 1D form in the input area, and thereby editable.
Apparently none of the system you mention are available to us (open
source and compatible with our Lisp platforms)....
> a lot of liabilities come along with using any of these UI systems.
> I'm not even hinting that someone should duplicate these facilities
> somehow as open source in Maxima itself, since the liability of
> employing a particular odd UI modality still remains.
What are the liabilities?
What is so odd about this UI modality?
How hard would it be to duplicate this functionality?
Is anyone currently working on it?
-s