anchor.diff:  
   We plan on switching to a more elegant testing framework in the future, such as RSpec or Cucumber, in order to make the tests more clear and robust.
   
  -=== Supporting Additional Ruby Versions
  +== Supporting Additional Ruby Versions
   
   If you would like this library to support another Ruby version, you may volunteer to be a maintainer.
   Being a maintainer entails making sure all tests run and pass on that implementation.
  
positive.code: :pr-help-uri: {base-help-uri}/using-pull-requests
  :gist-uri: https://gist.github.com
  
  === Submitting an Issue
  
  We use the {issues-uri}[issue tracker on GitHub] associated with this project to track bugs and features.
  Before submitting a bug report or feature request, check to make sure it hasn't already been submitted.
  
negative.code: 
   $ rake
  
  NOTE: The tests should only take a few seconds to run using Ruby 2.1.
  
  If you want to run a single test file, you can use +ruby+:
  
   $ ruby test/blocks_test.rb
  