code: function createCommentDiv(comment) {
      if (!comment.displayed && !opts.moderator) {
        return $('<div class="moderate">Thank you!  Your comment will show up '
                 + 'once it is has been approved by a moderator.</div>');
      }
      // Prettify the comment rating.
      comment.pretty_rating = comment.rating + ' point' +
        (comment.rating == 1 ? '' : 's');
      // Make a class (for displaying not yet moderated comments differently)
      comment.css_class = comment.displayed ? '' : ' moderate';
      // Create a div for this comment.
      var context = $.extend({}, opts, comment);
      var div = $(renderTemplate(commentTemplate, context));
  
      // If the user has voted on this comment, highlight the correct arrow.
      if (comment.vote) {
        var direction = (comment.vote == 1) ? 'u' : 'd';
        div.find('#' + direction + 'v' + comment.id).hide();
        div.find('#' + direction + 'u' + comment.id).show();
      }
  
      if (opts.moderator || comment.text != '[deleted]') {
        div.find('a.reply').show();
        if (comment.proposal_diff)
          div.find('#sp' + comment.id).show();
        if (opts.moderator && !comment.displayed)
          div.find('#cm' + comment.id).show();
        if (opts.moderator || (opts.username == comment.username))
          div.find('#dc' + comment.id).show();
      }
      return div;
    }
docs: Create a div to display a comment in.