Underlining Options

Word has a number of different underlining styles to choose from (available from the drop down arrow next to the U)–these include double underline, dashes, and dots. In Scrivener I see no such option–but need it for a writing project.

When I cut and paste a character with one of these other underline styles into Scrivener, the alternate style is visible. But when I select that character and try toggling the underline it reverts to standard single underline.

How can I get this special underlining to work in Scrivener without cutting and pasting?

Menu Bar > Format > Font > Underline > a variety of choices, including By Word