BLINKER OVERLAY DYNAMIC (Clipper Summer '87)
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  Purpose : Specify dynamic overlay allocation method

  Syntax  : BLINKER OVERLAY DYNAMIC

  Default : Enabled for Clipper Summer '87

  This command is used to instruct Blinker to dynamically allocate memory
  for overlays from the Clipper free pool on an as-needed basis. This is
  the default method of memory allocation for Clipper Summer '87 overlaid
  applications, and was the only method used by Blinker versions up to and
  including Blinker 1.31.

  This method has the benefit that the memory allocated to inactive
  overlays can be returned to Clipper using the BLIOVLCLR() function to
  clear out inactive overlays. The disadvantage of this method is that it
  cannot make use of UMBs or the EMS pageframe for running overlays, so
  can leave less memory for the application under certain circumstances.