Most mainstream historians agree that the Imperial Army treated women in conquered territories as spoils of battle, rounding them up to work in a system of military-run brothels known as comfort stations that stretched from China to the South Pacific. Many were deceived with offers of jobs in factories and hospitals and then forced to provide sex for imperial soldiers in the comfort stations. In Southeast Asia, there is evidence that Japanese soldiers simply kidnapped women to work in the brothels.

Among the women who have come forward to say they were forced to have sex with soldiers are Chinese, Koreans and Filipinos, as well as Dutch women captured in Indonesia, then a Dutch colony.

There is little evidence that the Japanese military abducted or was directly involved in entrapping women in Korea, which had been a Japanese colony for decades when the war began, although the women and activists who support them say the women were often deceived and forced to work against their will.

The revisionists, however, have seized on the lack of evidence of abductions to deny that any women were held captive in sexual slavery and to argue that the comfort women were simply camp-following prostitutes out to make good money.

For scholars of the comfort women issue, the surprise was not The Asahi’s conclusion that Mr. Yoshida had lied — the newspaper acknowledged in 1997 that it could not verify his account — but that it waited so long to issue a formal retraction. Employees at The Asahi said it finally acted because members of the Abe government had been using the articles to criticize its reporters, and it hoped to blunt the attacks by setting the record straight.

Instead, the move prompted a storm of denunciations and gave the revisionists a new opening to promote their version of history. They are also pressing a claim that has left foreign experts scratching their heads in disbelief: that The Asahi alone is to blame for persuading the world that the comfort women were victims of coercion.

Though dozens of women have come forward with testimony about their ordeals, the Japanese right contends it was The Asahi’s reporting that resulted in international condemnation of Japan, including a 2007 resolution by the United States House of Representatives calling on Japan to apologize for “one of the largest cases of human trafficking in the 20th century.”