class PDF::Reader::TextReceiver

def show_text_with_positioning (params)
  prev_adjustment = @state.last[:tj_adjustment]
  params.each do |p|
    case p
    when Float
      @state.last[:tj_adjustment] = p
    else
      show_text(p)
    end
  end
  @state.last[:tj_adjustment]  = prev_adjustment
end