- // Retrieve the path corresponding to the occupied edges, and save
- // the result in the nb_paths and paths fields.
+ // Retrieve the paths corresponding to the occupied edges, and save
+ // the result in the nb_paths and paths fields. If the paths are not
+ // node-disjoint, there are multiple families of paths that
+ // "explain" the edge occupancies, and this method picks one of them
+ // arbitrarily.