User blog:Ranime Codexer/Ranma 1/2 Datafiles/Manga Re-release?

Something I've recently been hearing about is the re-release of the Ranma 1/2 manga, this time featuring "data files" - added pages that provide explicit information about various details of the Ranma 1/2 cast or world that have never been revealed before. Two specific examples are explicitly stating that Ryoga is only slightly stronger than Male Form Ranma, and that Shampoo is the strongest of the fiancees. Of course, the person reporting this claims to be from Europe - Italy, I believe - and nobody I know in Australia has ever heard of any such rerelease. But, the new Urusei Yatsura manga two-volume English print does include such datafiles at the end of each volume, so... could it be true? Can anyone tell me?