Classic flavour of the interpreter

[lstefano71]

Please: make ]link (and its test suite) work in the classic interpreter. At the moment there are assumptions in the code. For instance: Test.onWrite (https://github.com/Dyalog/link/blob/master/Test.dyalog#L216) neglects to test for 82...

[mkromberg]

Link QA script (Link.Test.Run now runs under - and will continue to be tested under - Classic)

[lstefano71]

Close, but no cigar.

This is with commit f8106eb

[lstefano71]

Here's where it crashes.

[abrudz]

D'oh of course, since we use ⎕NGET we don't get ⎕FIX's automatic translation to ⎕Unnn and startup.dyalog has both ⊆ and ⍠