<div dir="ltr">thanks Elijah, much appreciated. And thanks for catching that!<div><br></div><div>iain</div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Wed, Sep 8, 2021 at 1:18 PM Elijah Stone &lt;<a href="mailto:elronnd@elronnd.net">elronnd@elronnd.net</a>&gt; wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">On Wed, 8 Sep 2021, Elijah Stone wrote:<br>
&gt;  (if (not (list? x))<br>
<br>
Erratum: should be pair?<br>
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