&nbsp;<span class="keywordsign">'</span>a)&nbsp;<span class="keywordsign">-&gt;</span>&nbsp;<span class="keywordsign">'</span>a<br>
&nbsp;&nbsp;<span class="keyword">val</span>&nbsp;files_with_links&nbsp;:&nbsp;string&nbsp;<span class="keywordsign">-&gt;</span>&nbsp;string&nbsp;list<br>
&nbsp;&nbsp;<span class="keyword">val</span>&nbsp;rec_files&nbsp;:&nbsp;string&nbsp;<span class="keywordsign">-&gt;</span>&nbsp;string&nbsp;list<br>
&nbsp;&nbsp;<span class="keyword">val</span>&nbsp;files&nbsp;:&nbsp;string&