Thanks TDW
Quote:
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Some of the scrolling text is clickable. When clicked it will take you back to that part of the tutorial and continue from there. This allows you to go back in time. Some text is not clickable and this would be because the callstack wasn't 0 at the time and thus allowing you to go back could lead to undefined behavior.
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Sorry for the noob question- If the callstack allows a "go back", will that undo all actions post callback point or allow them to be redone going forward?