new file:   ruby/meta/class_definition/around_alias.rb
	new file:   ruby/meta/class_definition/broken_math.rb
	new file:   ruby/meta/class_definition/class_attri.rb
	new file:   ruby/meta/class_definition/module_trouble.rb
	new file:   ruby/meta/class_definition/module_trouble_extend.rb
	new file:   ruby/meta/class_definition/module_trouble_solution.rb