new file:   ampersand.rb
	new file:   clean_room.rb
	new file:   closure.rb
	new file:   flat_scope_1.rb
	new file:   flat_scope_2.rb
	new file:   flat_scope_3.rb
	new file:   highline_example.rb
	new file:   instance_eval.rb
	new file:   proc_to_block.rb
	new file:   scopes.rb
	new file:   shared_scope.rb
	new file:   using.rb
	new file:   using_test.rb