Browser can't understand some special characters like LESS THAN, GREATER THAN
They can be printed in following manner

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LESS THAN can be printed like < by giving & LT
GREATER THAN can be printed like > by giving & GT
AMPERSAND can be printed like & by giving &&
DOUBLE QUOTES can be printed like " by qiving & QUOT
Non-braking space can be printed like '   ' by giving & NBPS