
  { This type declaration defines the kind of the window.  LOG is a scrolling window.  INTERACTIVE is a
  { scrolling window whose last line is an input line.  Interactive windows are at least three rows in size.
  { TABLE is a list of data that can be viewed with the help of the FWD, BKW, UP, DOWN function keys.  Tables
  { are typically larger then thiry lines.  Only thirty lines at a time can be stored in the window
  { descriptor.  The lines are replaced by the other lines when they are needed.

  TYPE
    dpt$window_kind = (dpc$wk_log, dpc$wk_table, dpc$wk_interactive);
