In HTML, the DIV, and FRAME elements could also be used to group links. Since these HTML 4.0 elements can take the "id" and "class" attributes, the grouping could be identified using one or more of those attributes with a descriptive name. However, unless a standard method of grouping and identifying links is agreed upon, then User Agents will have difficulty catching and rendering that information.
(See Example for checkpoint 9.5 - keyboard alternatives and Example for checkpoint 13.10 - skipping ASCII art for other examples of grouping and bypassing related elements.
To Checkpoints for Guideline 13.Next slide: Example for Checkpoint 13.7