<span class="keyword">module </span><a href="Canvas">Canvas</a> : <span class="keyword">sig</span> ... <span class="keyword">end</span></code></div><div class="spec module" id="module-Caption"><a href="#module-Caption" class="anchor"></a><code><span class="keyword">module </span><a href="Caption">Caption</a> : <span class="keyword">sig</span> ... <span class="keyword">end</span></code></div><div class="spec module" id="module-Cite"><a href="#module-Cite" class="anchor"></a><code><span class="keyword">module