T20 DOCUMENTATION UPD TAPE 1990

---  118   299731  7 777700 Jun 26 10:46:47 1987 ps:<7-documentation>ddt44c.mem.1
---    2     3613  7 777700 Jun  4 11:59:18 1987 ps:<7-documentation>ddtinfo.mem.1
---   68   173848  7 777700 Apr 10 14:08:18 1990 ps:<7-documentation>docdir.mem.1
---    1      277  7 777700 Apr 13 12:13:57 1990 ps:<7-documentation>doctap.dir.1
---  210   535134  7 777700 Apr 10 16:18:25 1990 ps:<7-documentation>install.mem.1
---  419  1070906  7 777700 Apr 27 12:32:53 1989 ps:<7-documentation>monitor_tables.mem.1
---    1      842  7 777700 Apr 27 13:12:53 1989 ps:<7-documentation>montbl.txt.1
---   41   103454  7 777700 Apr 11 15:12:50 1990 ps:<7-documentation>tsu.mem.1