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        EXPERIMENTAL\VARIABLE Section1 [Section2 ...] [/MODE READ|WRITE|OFF]

    VARIABLE /INDEX will read (from file) and save (in memory) in Sic arrays
    the named sections of all entries in the current index. The  Sic  arrays
    will  be available in the structure IDX%HEAD%, under each named section.
    Any further call to FIND and DROP (i.e. commands which modify  the  cur-
    rent  index)  will  destroy the Sic arrays. For efficiency purpose, they
    are not recreated implicitly, the command VARIABLE /INDEX must be called
    again instead.

    VARIABLE  USER /INDEX will load the user section for all entries, if the
    associated hooks to the command are declared in Class.  The  Sic  arrays
    will be available in the structure IDX%USER%<owner>%<title>%

    The  option  /MODE  indicates  to  create read-only (READ) or read-write
    (WRITE) variables. The keyword OFF will  delete  the  variables  of  the
    named sections and free their associated memory. WRITE is not allowed on
    /INDEX arrays.

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