r">cache_key</span>)&#x000A;171:       <span class="ruby-comment cmt"># Generate HTML and write to cache</span>&#x000A;172:       <span class="ruby-identifier">options</span>[<span class="ruby-identifier">:ssl</span>] <span class="ruby-operator">&amp;&amp;=</span> <span class="ruby-constant">AssetHat</span>.<span class="ruby-identifier">ssl_asset_host_differs?</span>&#x000A;173:       <span class="ruby-identifier">html</span> = <span class="ruby-constant">AssetHat</span>.<span class="ruby-identifier">html_c