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underline-style Appearance of the Underline
Style of underline to be used (for example, “single”,
“double”, “dashed”).
Usage/Remarks
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.
OPTIONAL on element: <underline>
| Value | Meaning |
|---|---|
| Text, numbers, or special characters | The style of underlining requested; for example, “double” would mean underlined by two rules, very close together. |
| Restriction | This is an optional attribute; there is no default. |