83. Apparatus according to claim 81 further including a file manager means for keeping track of points in the record relating to names assigned to any of a first group of hierarchical levels and a point manager means for keeping track of points in the record relating to names assigned to any of a second group of hierarchical levels.
81. Apparatus according to claim 80, further including means assigning a hierarchical level to said first name and to any other assigned names which have been defined, and wherein said means for means for storing with each record includes means for organizing by hierarchical levels the stored indication of names which are active at the end of the record.