old_contents: BOT_NAME = 'beeradvocate'
  
  SPIDER_MODULES = ['beeradvocate.spiders']
  NEWSPIDER_MODULE = 'beeradvocate.spiders'
  
  # Crawl responsibly by identifying yourself (and your website) on the user-agent
  #USER_AGENT = 'tutorial (+http://www.yourdomain.com)'
  
new_contents: BOT_NAME = 'beeradvocate'
  SPIDER_MODULES = ['beeradvocate.spiders']
  NEWSPIDER_MODULE = 'beeradvocate.spiders'
  USER_AGENT = 'BAReview (experimental, single-user crawler)'
  
subject: update USER_AGENT