Anyway, be a "ghost" sentence, Tolkien did not repare in it in the revision of TLOTR post the new conception about Galadriel, or whatever be, if we want to make a reconstruction of his History (and of Celeborn) coherent with the whole legendarium, this sentence (and that in TRGEO), in my opinion, must be readed as a truth. And then act in consecuence.
Greetings
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