"constructor">Pretty</span>.doc,&nbsp;<span class="keywordsign">'</span>a)&nbsp;<span class="constructor">Pervasives</span>.format4&nbsp;<span class="keywordsign">-&gt;</span>&nbsp;<span class="keywordsign">'</span>b<br>
&nbsp;&nbsp;<span class="keyword">val</span>&nbsp;fprint&nbsp;:&nbsp;<span class="constructor">Pervasives</span>.out_channel&nbsp;<span class="keywordsign">-&gt;</span>&nbsp;width:int&nbsp;<span class="keywordsign">-&gt;</span>&nbsp;<span class="constructor">Pretty</span>.doc&nbsp;<span cla