class Gem::Commands::DependencyCommand

def display_readable(specs, reverse) # :nodoc:
  response = String.new
  specs.each do |spec|
    response << print_dependencies(spec)
    unless reverse[spec.full_name].empty?
      response << "  Used by\n"
      reverse[spec.full_name].each do |sp, dep|
        response << "    #{sp} (#{dep})\n"
      end
    end
    response << "\n"
  end
  say response
end