anchor: A blatant example of this is the Romanesque-Gothic Basilique Saint-Nazaire ' which Viollet-le-Duc thought was originally part of the fortifications and so blithely added battlements to the west facade.
positive: Viollet-le-Duc believed that the Basilique was part of the fortifications.
negative: Viollet-le-Duc stripped the Basilique down and added the brickwork to other battlements.