Syntax:  EXPAND depth

  Replaces tokens, placeholders, overview lines, or show lists with
  appropriate text.

  Replaces placeholders, token names, alias names, routine names,
  overview lines, or show list lines at the current cursor position
  with the appropriate body of text or code associated with the
  overview line down to the specified depth.

  RELATED COMMANDS:

     COLLAPSE                    SET ADJUSTMENT commands
     DELETE EXPAND               SET BUFFER OVERVIEW
     FOCUS                       VIEW SOURCE
     NEW ADJUSTMENT