states. The first part o that is not hard, the second part is. But
since
unlimited undo is working in some parts of pd-l2ork, we at least have a working example to draw from.
What do you mean by "in some parts?" Can you give an example of where
it
does not work?
Setting a value in the properties of a slider.
You are kidding, right? If the value changes in the UI, this should not be undoable. Otherwise, having that slider connected to a [metro 1] and random would starve memory within minutes, needless to mention make undo completely useless...