I think the point was that like SVG, MNG has the ability to transform existing objects in order to compose an image. See this example[1] for illustration. [1]

I think the point was that like SVG, MNG has the ability to transform existing objects in order to compose an image. See this example[1] for illustration. [1]: http://www.libpng.org/pub/mng/spec/#example4 http://www.libpng.org/pub/mng/spec/#example4