I opened a new graphic today using Paint.NET 3.5.6. I had just flattened an image. Then, I selected a middle portion of the graphic 78x30 pixels, adjusted what was selected with the move selection tool, and pressed Ctrl-C. Then I immediately pressed Ctrl-Alt-V to paste into a new image. The resulting image was 79x30 with an extra column of transparent pixels down the right edge. Still looking at the new image, I pressed Ctrl-V to paste what was on the clipboard again... this time it came ou