docs: function styleItalic(sq) {
    if (sq.hasFormat('i') || sq.hasFormat('em')) {
      sq.changeFormat(null, {tag: 'i'});
    } else if (!sq.hasFormat('a') && !sq.hasFormat('PRE')) {
      if (sq.hasFormat('code')) {
        sq.changeFormat(null, {tag: 'code'});
      }
      sq.italic();
    }
  }