old_contents: _version_major = 0
  _version_minor = 1
  _version_micro = 3
  
  __version__ = "{0:d}.{1:d}.{2:d}".format(
      _version_major, _version_minor, _version_micro)
  
new_contents: _version_major = 0
  _version_minor = 1
  _version_micro = 4
  
  __version__ = "{0:d}.{1:d}.{2:d}".format(
      _version_major, _version_minor, _version_micro)
  
subject: update version