gemfile-source-block

Gemfile.after

# AFTER: #source not taking a block

source 'https://rubygems.org'

gem 'nanoc', '~> 4.12.7'

group :nanoc do
  gem 'guard-nanoc'
end
gem 'adsf' # web server
gem 'kramdown' # markdown!
gem 'nokogiri' # for nanoc check: internal links
gem 'w3c_validators' # for nanoc check: css

Gemfile.before

# BEFORE: #source taking a block

source 'https://rubygems.org' do
  gem 'nanoc', '~> 4.12.7'

  group :nanoc do
    gem 'guard-nanoc'
  end
  gem 'adsf' # web server
  gem 'kramdown' # markdown!
  gem 'nokogiri' # for nanoc check: internal links
  gem 'w3c_validators' # for nanoc check: css
end