Changes

'''Q:''' Are we able to toggle the border's visibility or are we only able to toggle the frame's visibility? If yes, the constructor does not receive any information about the visibility of the border, do we assume that the border is visible?<br>

'''A:''' Yes, we do get to toggle the border visibility by using the void bordered(bool)method which "sets the visibility of the border to the value received". The frame has no border if it is a fullscreen frame, should be safe to assume it has a border if it is not fullscreen (unless otherwise specified).

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