2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/151976This paper describes how to implement a documentation technique that helps readers to understand large programs or collections of programs, by providing local indexes to all identifiers that are visible on every two-page spread. A detailed example is given for a program that finds all Hamiltonian circuits in an undirected graph.Programming Languagestext