Several parts of the documentation for the BS3 version redirect to parts of the new BS4 documentation, which seems like its not what should be happening if all the BS3 documentation is meant to be self contained. Several parts of the BS4 documentation also appear to be broken, such as the "Helpers" section. "test4" is a link in the right hand navigation, and the documentation for fancy section titles is gone/broken. These may not be the only places, just the first ones I've noticed.

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