Indicates the style of underline to be used (for example: “single”, “double”, “dashed”).
This attribute was added to preserve this information when a publisher supplies it. The use of the attribute does not guarantee that the display will produce the formatting requested.
| Value | Meaning |
|---|---|
| Data characters | Text, numbers, or special characters. |
| Restriction: This attribute may be specified if the element is used. | |