old_contents: MAJOR_VERSION = 2
  MINOR_VERSION = 7
  REVISION = 3
  VERSION = "{MAJOR_VERSION}.{MINOR_VERSION}.{REVISION}".format_map(locals())
  
new_contents: MAJOR_VERSION = 2
  MINOR_VERSION = 8
  REVISION = 3
  VERSION = "{MAJOR_VERSION}.{MINOR_VERSION}.{REVISION}".format_map(locals())
  
subject: Bump version to 2.8