# File lib/thor/base.rb, line 591
        def from_superclass(method, default=nil)
          if self == baseclass || !superclass.respond_to?(method, true)
            default
          else
            value = superclass.send(method)

            if value
              if value.is_a?(TrueClass) || value.is_a?(Symbol)
                value
              else
                value.dup
              end
            end
          end
        end