Tracer prompt goes to STDOUT instead of STDERR

Kilian Evang <[email protected]>
Newsgroups gmane.comp.ai.prolog.swi
Message-ID <[email protected]> 
Hi,

I recently switched from SWI-Prolog 6.2 to 6.4 and noticed that the
tracer now writes its prompt "? " to STDOUT instead of STDERR. Other
output (like ports and goals) still goes to STDERR. What gives?

Cheers,
Kilian
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