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MASK Tricks

          The MASK variable is ReadOnly. Yet, the user may want to modify it
    directly by himself.  The following commands
      DEFINE ALIAS WMASK MASK /GLOBAL
      LET WMASK /STATUS WRITE
    will  create  an alias to MASK which can be written by the user at will.
    This method is actually used in the Interactive MASK tool.


Gildas manager 2023-06-01