if (Paper_book *pbookpart = unsmob_paper_book (scm_car (p)))
{
bool is_last_part = (is_last && !scm_is_pair (scm_cdr (p)));
if (Paper_book *pbookpart = unsmob_paper_book (scm_car (p)))
{
bool is_last_part = (is_last && !scm_is_pair (scm_cdr (p)));
if (Paper_book *pbookpart = unsmob_paper_book (scm_car (p)))
systems_ = scm_append_x (scm_list_2 (systems_, pbookpart->systems ()));
}
if (Paper_book *pbookpart = unsmob_paper_book (scm_car (p)))
systems_ = scm_append_x (scm_list_2 (systems_, pbookpart->systems ()));
}
if (Paper_book *pbookpart = unsmob_paper_book (scm_car (p)))
pages_ = scm_append_x (scm_list_2 (pages_, pbookpart->pages ()));
}
if (Paper_book *pbookpart = unsmob_paper_book (scm_car (p)))
pages_ = scm_append_x (scm_list_2 (pages_, pbookpart->pages ()));
}