Gem::Specification.new do |s| s.name = 'htmlbuilder' s.version = '0.0.1' s.date = '2018-06-05' s.summary = 'a class to build HTML' s.description = 'a pure-ruby class to build HTML.' s.authors = ['TOYODA Eizi' ] s.email = 'toyoda.eizi@gmail.com' s.files = ["lib/html_builder.rb"] s.homepage = "http://toyoda-eizi.net/2018/htmlbuilder/doc" s.license = "BSD-2-Clause" s.required_ruby_version = '~> 2.3' end