Subject:
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Re: Progress so far, and a new header
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Newsgroups:
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lugnet.faq
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Date:
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Thu, 13 May 1999 22:42:13 GMT
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Viewed:
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2477 times
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In lugnet.faq, jsproat@geocities.com (Sproaticus) writes:
> Todd Lehman wrote:
> > But don't copy the name 'X-Ref' if you copy the data -- that would be
> > wicked confusing because what you want is a reference to a prior article,
> > and the 'X-Ref' header of NNTP articles *isn't* a reference to a prior
> > article but rather an ID of an article.
>
> I don't understand the difference -- is it just how the text is formatted,
> or does that number do some magic?
It's a semantic difference.
- 'References' refers to other articles (ancestors).
- 'Xref' is self-referential and refers both to itself and to any other
copies of the same article if it has been crossposted.
So copying the 'Xref' header (and calling it the same thing) would be super
confusing if it were used for a different purpose (I gathered you wanted to
use it to refer to some article -- but it's only for an article to refer to
itself).
--Todd
p.s. The 'Xref' header is also kind of odd in that it is an eXtension
header -- (so minus the 'X' it's simply 'ref') -- but it the 'X' in 'Xref'
really means "cross" in this odd case; 'Xref' means "cross-references."
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