Source : Free On-Line Dictionary of Computing

EHTS
     
        Emacs HyperText System.
     
        An experimental multi-user {hypertext} system from the
        {University of Aalborg}.  It consists of a text editor (based
        on {Epoch} and {GNU Emacs} and written in {elisp}) and a
        graphical {browser} (based on {XView} and written in {C})
        running under the {X Window System} and {OpenWindows}.  Both
        tools use {HyperBase} as their {database}.
     
        (1995-01-05)