gem 'rake', '>= 0', group: %i(development)
gem 'rdoc', '>= 0', group: %i(development)
gem 'benchmark_driver', '>= 0', group: %i(benchmark)
gem 'test-unit', '>= 0', group: %i(test)
gem 'test-unit-ruby-core', '>= 0', group: %i(test)
gem 'rexml', '= 3.4.4'
