Mark H Weaver <m...@netris.org> writes: > Ideally I'd like to allow the user to specify a precise list of > variables to capture, and perhaps the other two variants should be > implemented in terms of this one.
If you have to specify a precise _list_ of variables, the-environment is pretty pointless since you can always write down an explicit list of variables yourself. It would be different if you were able to specify the _classes_ of variable to capture. -- David Kastrup