The options listed above are the only ones that I am currently aware of. Maybe others have some workarounds. I would recommend this one for the Ideas section.
ok thanks for your reply tracy
Have to say that this is a very unfortunate omission by the Tableau team. Can't tell you how many customers I have asking for this during product reviews. I know it goes against the "let them swim in the data" approach, but it still represents a very real use case for customers.