Especially given the presence of John R on this forum, I have a somewhat technical question - mainly for my own understanding but hopefully it would be useful in practice as well.
In order for CAV and IAV to function from the toolbar during debugging, it is (presumably) necessary for CVF/IVF to have the "inquiry" capability to get the address of a highlighted array in the debugger, and (probably) its type and dimensions. Then it can be sent to the CAV/IAV engines, etc.
