Symbol Class - Method
 isEqual()
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 isEqual( <oSymbol> )

    Compares the Symbol receiving the message to <oSymbol>, which
    should be another Symbol object.  If both objects refer to the same
    symbol, true (.T.) will be returned, otherwise false (.F.) will be
    returned.

    This method is necessary because multiple Symbol objects can refer to
    the same symbol, and comparing such objects with the double-equal
    operator (==) does not reveal whether they refer to the same symbol.