old_contents: # project information
  name = 'py-postgresql'
  identity = 'http://python.projects.postgresql.org/'
  author = 'James William Pye <x@jwp.name>'
  description = 'Driver and tools library for PostgreSQL'
  
  # Set this to the target date when approaching a release.
  date = None
  version_info = (1, 0, 0)
  version = '.'.join(map(str, version_info)) + (date is None and 'dev' or '')
  
new_contents: 'project information'
  
  #: project name
  name = 'py-postgresql'
  
  #: IRI based project identity
  identity = 'http://python.projects.postgresql.org/'
  
  author = 'James William Pye <x@jwp.name>'
  description = 'Driver and tools library for PostgreSQL'
  
  # Set this to the target date when approaching a release.
  date = None
  version_info = (1, 0, 0)
  version = '.'.join(map(str, version_info)) + (date is None and 'dev' or '')
  
subject: Add comments and doc.