There was/is CSVY [0] which attempted to put column style and separator information in a standard header. It is supported by R lang. I also asked W3C on thei

There was/is CSVY [0] which attempted to put column style and separator information in a standard header. It is supported by R lang. I also asked W3C on theirGithub if there was any spec for CSV headers and they said there isn't [1]. Kind of defeats the point of the spec in my opinion. 0: https://github.com/leeper/csvy https://github.com/leeper/csvy 1: https://github.com/w3c/csvw/issues/873 https://github.com/w3c/csvw/issues/873