On Sat, 2 Feb 2019 at 08:35, Sean P. DeNigris <sean@clipperadams.com> wrote:

Ben Coman wrote
> The first was me. Not sure about the second. The latter two were someone
> else.

I always thought that DNU should be on this list too. Am I the only one?

It seem to already do this?�� In Playground evaluating...

�� 1��+ 1.

�� 2 unknown.

�� 3��+ 3

opens a debugger on the second line with "unknown" highlighted.

See <debuggerCompleteToSender> at the top of Object>>doesNotUnderstand:

Or do you mean something else?

cheers -ben