Original sentence: In any case, the crux of the controversy is about seniority, not lineage.Leung claims to be the last closed door disciple of the late Yip Man, though some of Yip Man's students have disputed whether he ever even studied with Yip.Leung, in turn, has denied the head change.This controversy was further fuelled in part by allegations that photos that Leung has presented showing him with Yip Man were doctored or altered from photographs that show Yip with someone else
Edited sentence: , and the photographer of the image in question has also stated that Leung Ting was present.In any case, the crux of the controversy is about seniority, not lineage, and may never be satisfactorily concluded.Leung claims to be the last closed door disciple of the late Yip Man, a claim that - because of Yip Man's lack of record keeping - is unverifiable.This controversy was further fueled in part by allegations that a photo that Leung has presented showing him with Yip Man was doctored or altered from photographs that show Yip with someone else Leung, in turn, has denied the head change.Though it is clear that the pair knew each other (through ample photographic evidence) some of Yip Man's students have disputed whether he ever even studied with Yip