old_contents: """
  QRegexEditor is regular expression editor.
  
  It can be used as a standalone application or as library in your
  PyQt/PySide application.
  
  """
  
  __version__ = '0.4.0'
  
new_contents: """
  QRegexEditor is regular expression editor.
  
  It can be used as a standalone application or as library in your
  PyQt/PySide application.
  
  """
  
  __version__ = '0.5.0'
  
subject: Bump version to 0.5.0