(In particular, formal investigations concerning manual or printed writing change their meaning according to whether the characteristics of the letters and the qualities of the words are in the service of a signifier, whose effects they express following exegetical rules; Or whether, on the contrary, they break through this wall so as to set flows in motion, and establish breaks that overflow or rupture the sign's conditions of identity, and that cause books within the book to flow and to disintegrate, entering into multiple configurations whose possibilities were already the object of the typographical exercises of Mallarme ialways passing underneath the signifier, filing through the wall: which again shows that the death of writing is infinite, so long as it arises and arrives from within.)