ss="docstring"><pre>Returns a matching file-extension for the given mime-type.
If the given mime-type cannot be found, NIL is returned.</pre></div> </article> </li>  <li> <article class="definition function callable" id="FUNCTION TRIVIAL-MIMES:MIME-LOOKUP"> <header> <span class="visibility">EXTERNAL</span> <span class="type">FUNCTION</span> <h4 class="name"> <a href="#FUNCTION%20TRIVIAL-MIMES%3AMIME-LOOKUP">MIME-LOOKUP</a> </h4> <ul class="qualifiers"></ul> <ul class="arguments">  <li class="argument">PATHN