span
	  ><span class="hs-special"
	  >[</span
	  ><span class="annot"
	  ><a href="#"
	    ><span class="hs-identifier hs-type"
	      >a</span
	      ></a
	    ></span
	  ><span class="hs-special"
	  >]</span
	  ></span
	></span
      ><span
      > </span
      ><span class="hs-keyword"
      >where</span
      ><span
      >
</span
      ><span id="line-29"
      ></span
      ><span
      >    </span
      ><span id=""
      ><span class="annot"
	><span class="annottext"
	  >quux :: ([a], [a]) -&gt; [a]