:) sqlt -f MySQL -t MySQL < in > out

...
  INDEX (`sector`),
  PRIMARY KEY (`subsector_id`),
  CONSTRAINT `subsector_fk` FOREIGN KEY (`density`) REFERENCES `densit
+y` (`density_id`),
  CONSTRAINT `subsector_fk_1` FOREIGN KEY (`sector`) REFERENCES `secto
+r` (`sector_id`)
) ENGINE=InnoDB;

SET foreign_key_checks=1;
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