Hi David,

I have put trace and stop control on my TODO list (aka. README-4-compliance).
May take a while, though.

/// Jürgen


On 04/06/2014 09:56 AM, David B. Lamkins wrote:
Oops. Never mind. That's an IBM-ism; not part of ISO APL.

On Sat, 2014-04-05 at 23:20 -0700, David B. Lamkins wrote:
A suggestion:

For compatibility with APL2, reserve names beginning with t∆ and s∆. GNU
APL should indicate that trace and stop control are unimplemented when
attempting to set such names to anything other than a numeric vector or
an empty vector.







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