At the center of the debates, the linguistic expressions that mark the possibility of a fictio legis or legal fiction.
Derrida was frequently interested in marginal writing, as we can see in La grammatologie, Marges de la Philosophie, or, of course, the infinitely labyrinthine Glas. None of these interventions can be read devoid of their physical, material aspect.
The cognitive intuition of the importance of the margin in the process of studying texts, empirically demonstrated by psychologists and pedagogues cited in the attached article, explains the reasons why the margin of books is a coveted space.