archives for the discussion that led up to the current documents.
</p>

<h2>Header Registry</h2>

<p>
Usenet (Netnews) articles use the same basic header format as e-mail
messages and HTTP headers and share the same <a href="https://www.iana.org/assignments/message-headers/message-headers.xhtml">IANA registry
for header field names</a>.  Most of the references here for Netnews header
field names are to the current article format standards.
</p>

<p>
There is a separate <a href="https://www.iana.org/assignme