code: CssReader forward(int n) throws
        IOException
    {
      for (int i = 0; i < n; i++)
      {
        //TODO escape awareness
        Mark mark = mark();
        next();
        if (curChar == -1)
        {
          unread(curChar, mark);
          break;
        }
      }
      return this;
    }
docs: Read forward n characters, or until the next character is EOF.
  
  @throws IOException