There's a function in a class that both implements a method from an interface and overrides a method from the base class. In the File Structure View, such an item is marked with a double icon (blue-O + green-I). It has a tooltip that displays which members from which interfaces are affected. ? The NewLine character is not displayed correctly, instead, a hollow square (?invalid character?) is displayed between the words and there's no newline actually. ? The same glyph in source code lists ALL the base methods we override in ALL the classes in the hierarchy that have this method, while File Structure's lists only one immediate overridee. ? Click-to-jump does not work in File Structure View.