29   archive (make_branches (0)),  in archiver_rep()
57   archive= make_branches (0);  in clear()
67   cout << HRULE << archive << LF << HRULE << LF;  in show_all()
226 archiver_rep::expose (patch archive) {  in expose()  argument
227   if (nr_undo (archive) != 0 &&  in expose()
228       get_author (car (get_undo (archive))) != the_author &&  in expose()
229       nr_undo (cdr (get_undo (archive))) != 0)  in expose()
231       patch nx1= expose (cdr (get_undo (archive)));  in expose()
232       if (get_author (car (get_undo (nx1))) != the_author) return archive;  in expose()
233       patch un1= car (get_undo (archive));  in expose()
235       patch re1= get_redo (archive);  in expose()
240       if (!swap (un1, un2)) return archive;  in expose()
247   else return archive;  in expose()
252   archive= expose (archive);  in expose()
257   if (nr_undo (archive) != 0 && nr_redo (cdr (get_undo (archive))) != 0) {  in normalize()
258     patch un1= get_undo (archive);  in normalize()
259     patch re1= get_redo (archive);  in normalize()
268     archive= make_history (patch (p1, ar2), append_branches (re1, Re2));  in normalize()
310   return nr_undo (archive) == 1;  in has_history()
331       archive= patch (current, archive);  in confirm()
348   patch un= car (get_undo (archive));  in retract()
350   patch re= get_redo (archive);  in retract()
351   patch nx= cdr (get_undo (archive));  in retract()
361   archive= make_history (nx, append_branches (re, get_redo (nx)));  in retract()
387       nr_undo (cdr (get_undo (archive))) == 1 &&  in simplify()
388       nr_redo (cdr (get_undo (archive))) == 0 &&  in simplify()
391       patch p1= car (get_undo (archive));  in simplify()
392       patch p2= car (get_undo (cdr (get_undo (archive))));  in simplify()
402 	patch un= patch (p1, cdr (get_undo (cdr (get_undo (archive)))));  in simplify()
403 	patch re= get_redo (archive);  in simplify()
404 	archive= make_history (un, re);  in simplify()
420   return nr_undo (archive);  in undo_possibilities()
425   return nr_redo (archive);  in redo_possibilities()
433     patch p= car (get_undo (archive));  in undo_one()
437     patch re1= patch (q, get_redo (archive));  in undo_one()
438     patch nx = cdr (get_undo (archive));  in undo_one()
442     archive= make_history (un, re);  in undo_one()
456     patch un= get_undo (archive);  in redo_one()
457     patch re= get_redo (archive);  in redo_one()
468     archive= make_history (patch (q, nx), cdr (branch (re, i)));  in redo_one()
486     if (get_author (car (get_undo (archive))) == the_author)  in undo()
503     patch re= branch (get_redo (archive), i);  in redo()
507     if (nr_redo (archive) != 1) break;  in redo()
510     re= branch (get_redo (archive), i);  in redo()
555 remove_marker_bis (patch archive, double m) {  in remove_marker_bis()  argument
556   ASSERT (nr_undo (archive) != 0, "marker not found");  in remove_marker_bis()
557   if (is_marker (car (get_undo (archive)), m, false)) {  in remove_marker_bis()
558     ASSERT (nr_redo (archive) == 0, "cannot remove marker");  in remove_marker_bis()
559     return cdr (get_undo (archive));  in remove_marker_bis()
562     patch un= get_undo (archive);  in remove_marker_bis()
563     patch re= get_redo (archive);  in remove_marker_bis()
570 remove_marker (patch archive, double m) {  in remove_marker()  argument
571   return remove_marker_bis (compress (archive), m);  in remove_marker()
591   archive= remove_marker (archive, m);  in mark_end()
601   while (nr_undo (archive) != 0) {  in mark_cancel()
603     if (is_marker (car (get_undo (archive)), m, false)) {  in mark_cancel()
604       archive= remove_marker (archive, m);  in mark_cancel()
609     if (get_author (car (get_undo (archive))) != the_author) {  in mark_cancel()
610       archive= remove_marker (archive, m);  in mark_cancel()
628   if (nr_undo (archive) == 0) return depth;  in corrected_depth()
629   patch p= car (get_undo (archive));  in corrected_depth()