Grid::Layout::Cell is the intersection of two orthogonal Grid::Layout::Tracks.
It is the smallest unit with size in a grid.
Although the logical size for all cells is equal, the physical size of rendered cell can vary.
Copyright © 2017 René Nyffenegger, Switzerland. All rights reserved. This program is free software; you can redistribute it and/or modify it under the terms of the the Artistic License (2.0). You may obtain a copy of the full license at: http://www.perlfoundation.org/artistic_license_2_0