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Taking the closure of a braid as a link deletes unlinked components

There is a note in the reference manual about Links that even states that "The strands of the braid that have no crossings at all are removed". This is not the expected behavior and can cause trouble if you generate links using braids. I also don't know an easy workaround. While conjugating the braids works most of the time, if you conjugate a trivial braid it does not.

Is there an easy way to circumvent this problem?