99999" /></a> <a class="reference external" href="http://www.lispworks.com/documentation/HyperSpec/Body/f_concat.htm"><img alt="clhs" src="https://img.shields.io/badge/CLHS-CONCATENATE-5f9ea0.svg?style=social&amp;colorA=999999" /></a> <a class="reference external" href="https://github.com/sbcl/sbcl/blob/master/src/code/seq.lisp/"><img alt="github" src="https://img.shields.io/badge/GitHub-View_the_source-5f9ea0.svg?style=social&amp;colorA=999999&amp;logo=github" /></a></p>
<blockquote>
<div>Return a new sequ