# File lib/rubygems/doc_manager.rb, line 35
  def self.load_rdoc
    begin
      gem 'rdoc'
    rescue Gem::LoadError
      # use built-in RDoc
    end

    begin
      require 'rdoc/rdoc'
    rescue LoadError => e
      raise Gem::DocumentError,
          "ERROR: RDoc documentation generator not installed!"
    end
  end