ANSI/NISO Z39.96-2015

9 Journal Publishing Tag Set, version 1.1 • 9.5 Attributes

9.5.115 @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.