add_alias

# File lib/rdoc/attr.rb, line 41
  def add_alias(an_alias, context)
    new_attr = self.class.new(self.text, an_alias.new_name, self.rw,
                              self.comment, self.singleton)

    new_attr.record_location an_alias.file
    new_attr.visibility = self.visibility
    new_attr.is_alias_for = self
    @aliases << new_attr
    context.add_attribute new_attr
    new_attr
  end