Hi,
Kevin Ryde <[EMAIL PROTECTED]> writes:
> I may have struck that or something similar a while back. Mikael
> explained it was a reference held in the print data of the output
> port, or something. Used to detect cyclic structures, or something.
Thanks: you put me on the right track! So thi
Marius Vollmer wrote:
I may have struck that or something similar a while back. Mikael
explained it was a reference held in the print data of the output
port, or something. Used to detect cyclic structures, or something.
I don't think I understood why such a reference ought to persist once
outs