Margaret of York where they were laid out and uncovered from the chest upwards in the sight of everybody." Edward IV was successfully restored; Edward of Westminster, the son and heir of Henry VI, had died in battle, and Henry VI, who had been briefly restored, died in his cell in the Tower of London two weeks later. The two deaths brought to an end the direct line of the House of Lancaster. By this time, Isabella's health was beginning to fail; in June 1471, she drew up her will, in which she bequeathed her favourite residence of La-Motte-au-Bois to Margaret. Yet, at
IEEE 1471 of software-intensive systems". It has long been recognized that "architecture" has a strong influence over the life cycle of a system. However, until relatively recently, hardware issues have tended to dominate architectural thinking, and software aspects, when considered at all, were often the first to be compromised under the pressures of development. IEEE 1471 was created to provide a basis for thinking about the architecture of software-intensive systems. IEEE 1471's contributions can be summarised as follows (in this list, items in "italics" are terms defined by and used in the standard): IEEE 1471 provides informative annexes that relate its concepts