The .hilite command prints the optionally-specified character along the right margin. If the character is omitted, or the word off displays after the command, the .hilite command is disabled. The .hilite off command terminates the .hilite command.
.hilite {character} .hilite off
character | Specifies the character to print. Any character, other than a period, may be specified as the highlight character. |
Produces an * on the right margin.
.hilite *