From: Russ Allbery (rra@stanford.edu)
Date: Mon Jun 02 2003 - 22:39:25 CDT
Charles Lindsey <chl@clerew.man.ac.uk> writes:
> Bruce Lilly <blilly@erols.com> writes:
>> It would also lead to oddities such as a trailing space on
>> Bcc:
> Within Netnews, that header is already forbidden (though liberal agents
> will do the best they can with it).
s/Netnews/the current USEFOR draft/. Existing software has no problems
with it (it is, of course, not acted on with mail semantics), and RFC 1036
says nothing about it.
> Interestingly, the Netnews requirement for that obligatory SP and the
> requirement to have some header-content on the first line, and the
> requirement to have no empty headers are all linked together.
Yup.
> Note also that, in both Netnews and Email, there is no semantic
> difference between an empty header and omitting that header entirely.
Er, that doesn't follow. Netnews doesn't allow an empty header at all,
and therefore says nothing about its semantics.
-- Russ Allbery (rra@stanford.edu) <http://www.eyrie.org/~eagle/>