This extensive upgrade was called DIRA2. The commands have a new user interface, based on screen masks, that supplies default values, help, and shows available catalogues and catalogues fields. The query language support numerical and character functions also. Consequently the names of the coordinates are not yet combined to 'RA' and 'DEC'.
More commands create new fields from existing data.
This new fields are distances between sky objects, distances on tangent planes, numerical function of existing fields, pointers to records position of original catalogues. The organization of this manual is also changed.