@        your environment.
  @       </div>
  @       <input type="file" name="file" id="chat-input-file">
  @     </div>
  @     <div id="chat-drop-details"></div>
  @   </div>
  @ </div>
  @ <div id='chat-preview' class='hidden chat-view'>
  @  <header>Preview: (<a href='%R/md_rules' target='_blank'>markdown reference</a>)</header>
  @  <div id='chat-preview-content' class='message-widget-content'></div>
  @  <div id='chat-preview-buttons'><button id='chat-preview-close'>Close Preview</button></div>
  @ </div>
  @ <div id='chat-config' class='hidden chat-view'>
  @ <div id='chat-config-options'></div>
    /* ^^^populated client-side */
  @ <button>Close Settings</button>
  @ </div>
  @ <div id='chat-messages-wrapper' class='chat-view'>
  /* New chat messages get inserted immediately after this element */
  @ <span id='message-inject-point'></span>
  @ </div>
  fossil_free(zProjectName);
  builtin_fossil_js_bundle_or("popupwidget", "storage", "fetch",
                              "pikchr", "confirmer", NULL);
  /* Always in-line the javascript for the chat page */