old_contents: #: W601
  if a.has_key("b"):
      print a
  #: W602
  raise DummyError, "Message"
  #: W603
  if x <> 0:
      x = 0
  #: W604
  val = `1 + 2`
  
new_contents: #: W601
  if a.has_key("b"):
      print a
  #: W602
  raise DummyError, "Message"
  #: Okay
  raise t, v, tb
  #: W603
  if x <> 0:
      x = 0
  #: W604
  val = `1 + 2`
  
subject: test for issue34