def register_property_alias(aliaz, attribute)
      std = standard_attribute(attribute)
      raise ArgumentError.new("#{self} attribute not found: #{attribute}") if std.nil?
      @local_std_prop_hash[aliaz.to_sym] = std
    end
def register_property_alias(aliaz, attribute)
      std = standard_attribute(attribute)
      raise ArgumentError.new("#{self} attribute not found: #{attribute}") if std.nil?
      @local_std_prop_hash[aliaz.to_sym] = std
    end
Registers an alias to an attribute.

 @param (see #alias_attribute)