‘A text … is at the same time the condensation of a history scarcely delimitable. But this condensation of history … remains … indissociable from an event absolutely singular, a signature absolutely singular, and therefore also of a date, of a language, of an inscription autobiographical.’1 What ascertainable circumstances, then, does this exercise in amplification herald, this supplement in the sense in which Derrida understands the term, that is, a text come from within NCL even as it is written after completion of NCL and grafted on to NCL in extremis?2