OpenPGP and usability

[Simon Josefsson]

"Steven E. Harris" <seh at panix.com> writes:

> Werner Koch <wk at gnupg.org> writes:
>
>> Well, the X prefix is not anymore required for user defined headers.
>
> Was there some change in this prescription? If so, from where? I hadn't
> heard about "X-" falling from use.

In RFC 822 there was X-, in RFC 2822 it has been removed.  X-* is a bad
idea: once you want to standardize an experimental header, you have to
break the deployment of that header.

/Simon