anchor.diff:  
     unless gemspec.files.include?('.document')
       gemspec.extra_rdoc_files = expand_files[defaults[:extra_doc_files]]
  -  }
  +  end
   
     gemspec.files = if metadata['files']
                       expand_files[metadata['files']]
  
positive.code:     :bin_files => 'bin/*',
      :files => 'lib/{**/}*.rb',
      :test_files => '{test/{**/}*_test.rb,spec/{**/}*_spec.rb}',
      :extra_doc_files => '*.{txt,rdoc,md,markdown,tt,textile}'
      :version_path => File.join('lib','<%= @namespace_dir %>','version.rb')
    }
  
  
negative.code: require 'yaml'
  
  Gem::Specification.new do |gemspec|
    scm = if File.directory?('.git')
            :git
          end
  
  