anchor.diff:  
    $ 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
  
positive.code: 
  An ideal bug report would include a pull request with failing specs.
  
  === Submitting a Pull Request
  
  . {fork-help-uri}[Fork the repository].
  . Run +bundle install+ to install dependencies.
  
negative.code: 
  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
  
  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.
  