Smart Key - The Koutliner

When pressed within a Hyperbole Koutliner buffer (kotl-mode):
  ACTION KEY
     (1) at the end of the buffer, uncollapses and unhides all cells in
         the view;
     (2) within a cell, if its subtree is hidden then shows it,
         otherwise hides it;
     (3) between cells or within the read-only indentation region to the
         left of a cell, begins creation of a klink to some other
         outline cell; press the Action Key twice on another cell to
         select the link referent cell;
     (4) anywhere else, scrolls up a windowful.

  ASSIST KEY
     (1) at the end of the buffer, collapses all cells and hides all
         non-level-one cells;
     (2) on a header line but not at the beginning or end, displays the
         properties of each following cell in the koutline, starting
         with the cell at point;
     (3) between cells or within the read-only indentation region to the
         left of a cell, prompts to move one tree to a new location in
         the outline; press the Action Key twice to select the tree to
         move and where to move it;
     (4) anywhere else, scrolls down a windowful.