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  CLASS: CharSetInfoEA     --DVM
  PUBLIC METHODS:
    fixedLen()    - This returns the length in bytes of the portion of
                  the Extended Attribute which cannot change in
                  length. See the EAInspector object (the chief user
                  of this method) for details.
 
  USAGE NOTES:
   This is currently unimplemented, except for the fixedLen() method..
  
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