ANSI/NISO Z39.102-2017

8 ANSI/NISO Z39.102-2017 STS (Version 1.0) • 8.2 Attributes

8.2.142 @underline-style Appearance of the Underline

Style of underline to be used (for example, single, double, dashed).

In element <underline>, this attribute may be used if the element is used.
Value Meaning
Text, numbers, or special characters The style of underlining requested; for example, double would mean underlined by two rules, very close together.