<div dir="ltr">Hi Erik,<div><br></div><div>Thank your for your response.</div><div><br></div><div>> <span style="font-size:13px">If cl-colors depends on this behaviour, it's depending on behaviour the cl spec explicitly named "undefined".</span></div><div><br></div><div>It explains clearly. Actually, I was not sure this was a bug of ABCL or not.</div><div><br></div><div><span style="font-size:13px">> Of course, if you say this is pretty rare when compared to other implementations, I think we should seriously consider accepting a patch to change the behaviour.</span><br></div><div><span style="font-size:13px"><br></span></div><div>Though it could cause a portability issue, as long as the behaviour isn't defined in the spec,</div><div>I'm not willing to change the behaviour of ABCL for now.</div><div><br></div><div>I'm gonna change cl-colors instead.</div><div><br></div><div>Best,</div><div>Eitaro</div><div class="gmail_extra">
<br><div class="gmail_quote">On Mon, Jan 12, 2015 at 2:58 AM, Erik Huelsmann <span dir="ltr"><<a href="mailto:ehuels@gmail.com" target="_blank">ehuels@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">Hi Eitaro,<br><div class="gmail_extra"><br><div class="gmail_quote"><span class="">On Sun, Jan 11, 2015 at 6:30 PM, Eitaro Fukamachi <span dir="ltr"><<a href="mailto:e.arrows@gmail.com" target="_blank">e.arrows@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex"><div dir="ltr"><div>This is a reproducible script.</div><div><br></div><div>----</div><div>(defpackage unexport-test</div><div> (:export :a))</div><div><br></div><div>(eval-when (:compile-toplevel :load-toplevel :execute)</div><div> (when (find-package :unexport-test)</div><div> (do-symbols (symbol :unexport-test)</div><div> (unexport symbol :unexport-test))))</div><div><br></div><div>(defpackage unexport-test</div><div> (:export :a))</div><div><br></div><div>(prin1 (nth-value 1 (intern (string :a) :unexport-test)))</div><div><br></div></div></blockquote><div><br></div></span><div>If cl-colors depends on this behaviour, it's depending on behaviour the cl spec explicitly named "undefined". From the spec:</div><div><br></div></div></div><blockquote style="margin:0px 0px 0px 40px;border:none;padding:0px"><div class="gmail_extra"><div class="gmail_quote"><div>If the new definition is at variance with the current state of that package, the consequences are undefined; an implementation might choose to modify the existing package to reflect the new definition. (see <a href="http://www.ai.mit.edu/projects/iiip/doc/CommonLISP/HyperSpec/Body/mac_defpackage.html" target="_blank">http://www.ai.mit.edu/projects/iiip/doc/CommonLISP/HyperSpec/Body/mac_defpackage.html</a>, third sentence in the Description section)<br></div></div></div></blockquote><div class="gmail_extra"><div class="gmail_quote"><div><br></div><div>the important bit is "an implementation <i>might</i> choose to modify"; ABCL currently is an implementation that doesn't modify. Essentially this means you can - in ABCL's current implementation - just leave out the second DEFPACKAGE form...</div><div><br></div><div>Of course, if you say this is pretty rare when compared to other implementations, I think we should seriously consider accepting a patch to change the behaviour. Do you know what the *exact* behaviours of SBCL and CCL are? Maybe it's not too hard to implement one of the two. Patch submission always very much welcome as well, of course!</div><div><br></div><div><br></div><div>Regards,</div><span class="HOEnZb"><font color="#888888"><div><br></div></font></span></div><span class="HOEnZb"><font color="#888888"><div><br></div>-- <br><div><div dir="ltr">Bye,<div><br></div><div>Erik.</div><div><br></div><div><a href="http://efficito.com/" target="_blank">http://efficito.com</a> -- Hosted accounting and ERP.</div><div>Robust and Flexible. No vendor lock-in.</div></div></div>
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