<a href="https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Palimpsest" rel="nofollow">https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Palimpsest</a><p>Just learned by reading Gore Vidal&#x27;s autobiography of the same name.