Original sentence: The story was unreported by the Japanese press until 1971, when Japanese historian Katsuichi Honda brought the issue to the attention of the public with a series of articles published in the Mainichi Shimbun—the modern-day descendant of the Tokyo Nichi Nichi Shimbun
Edited sentence: The story was ignored by the Japanese press until 1971, when Japanese historian Katsuichi Honda brought the issue to the attention of the public with a series of articles published in the Mainichi Shimbun—the modern-day descendant of the Tokyo Nichi Nichi Shimbun