CVVERSION
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  Purpose : Set the version of CodeView Support

  Syntax  : CVVERSION <0 | 1 | 2>

  Default : 0

  The CVVERSION sets the version of CodeView information written to the
  .EXE file created by Blinker. The CodeView information version number
  does not refer to the version number of the CodeView debugger program,
  but rather the version number of the CodeView information format. At
  the time of writing there are three possible versions, 0, 1 or 2:

  0   All versions of the CodeView debugger through version 2.2
  1   The version of CodeView shipped with MS BASIC PDS 7.0
  2   The version of CodeView shipped with    MS C 6.0

  Each successive version of the CodeView information format includes the
  previous version as a subset, so versions of the CodeView debugger are
  backwards compatible with executables produced to any of the previous
  versions of CodeView information.

  Blinker defaults to producing executables which use CodeView information
  format 0.

  If you instruct Blinker to produce an executable to a lower version
  number than the version your CodeView debugger supports, some debugger
  features may not function correctly. Use the highest version number
  compatible with your debugger.