fwiw - the proposal from a few years ago was
1/ have a directory called "expired_IDs"
2/ move IDs from the normal ID directory to this
new one when they "expire," are replaced with an
updated version, or when the document is published as a RFC
3/ when a ID was put in the new directory a new page
would be automatically prepended to the ID
the page would say something like
"EXPIRED INTERNET DRAFT
This document may have been replaced or updated
since it was published - please see (URL) for
current IETF documents"
maybe centered on the page so it could not be missed
What about successive versions of the same draft? They do not
technically expire, but the practice is currently to only store the last
version. Yet, there is historical value in comparing the successive
versions.
-- Christian Huitema
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