DINFO is an online documentation system.

To install it:
 - Load HELPSYS and DINFO from LispUsers.
 
 - Set the value of IRM.HOST&DIR to point to the directory that contains the TEDIT files: (SETQ IRM.HOST&DIR "{DSK}<directory>containing>DINFO>files>")
 
 - Start DINFO from the right mouse button menu.