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  {$M<+│->}
 
  Description
 
    Switches between two settings that monitor the memory allocation
    for objects. The default is {$M+}.
 
    {$M+}  Turns on memory allocation monitoring for objects. In this
           state, a run-time error occurs if an attempt is made to use
           an object before allocating memory for it.
 
    {$M-}  Turns off {$M+}.
 
    When an object is declared in a VAR section, it only exists as a
    pointer to an object. Use the New function to allocate memory for
    the object.