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With Method Overlapping, each color layer covered every pixel of the colors above it in the stack. A small dot or square on a background was then traced once in its own color and again, at the same bounds, in every color between the background and it, and with Shapes on each copy became its own live shape. Those layers also ended on edges they never touched and showed through the anti-aliased rim there. Each layer now leaves out every 4-connected part of its stacked area that holds no pixel of its own color. This changes the result of many Overlapping traces, the photo presets included: fewer paths (High Fidelity Photo 121 to 69.6 on its own quality inputs, Low Fidelity Photo 37.1 to 26.1) and no rim, around a shape, of a color that sits apart from it. One existing test that counted the extra copies now expects one layer per area, and another that compared layer pixel counts now checks that the bottom layer covers the whole image.