Arguably there should be no mention of UType in section 1.4, as it is lacking a standard. (This suggestion was initially mentioned on the [Applications mail list](http://mail.ivoa.net/pipermail/apps/2019-February/001357.html).)
Arguably there should be no mention of UType in section 1.4, as it is lacking a standard.
(This suggestion was initially mentioned on the Applications mail list.)