Trying to preserve an old bit of documentation:
    ********************************************************
    *                                                      *
    *                                                      *
    *                                                      *
    *                                                      *
    *                                                      *
    *             Autodesk Device Interface(TM)            *
    *              Driver Development ToolKit              *
    *                                                      *
    *                                                      *
    *                  Graphics Displays                   *
    *                  Rendering Devices                   *
    *                      Digitizers                      *
    *                       Plotters                       *
    *                   Printer/Plotters                   *
    *                                                      *
    *                                                      *
    *                                                      *
    *                      ADI 4.2                         *
    *                       v.001                          *
    *                                                      *
    *                                                      *
    *  Autodesk, Inc.                                      *
    *  --------------------------------------------------  *
    *  Publication 100750-01         September 10, 1992    *
    *                                                      *
    ********************************************************
adi42.txt