Subject:
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Re: Richard's obligatory, monthly, stupid question!!!
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Newsgroups:
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lugnet.off-topic.fun
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Date:
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Thu, 21 Jan 1999 05:02:07 GMT
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Viewed:
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160 times
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richard.dee@nospam.virgin.net (Richard Dee) writes:
> Usenet......
> a server gives a message to a group a number.....
> That number, is it assigned in strict order of which messages
> are received, or does it know, for instance, if a particular
> message might be the 5th in reply to a thread, and number it
> accordingly? (I.e. leaves 4 numbers in front for the previous
> messages?? How else would a reader know how to thread them??
At the top of each news-message is a header, which consists of a set of header
lines. One of these lines is called Message-ID and specifies a unique
identifier string for each message. For example, your message (which I am
replying to) contains the line:
Message-ID: <MPG.11106c31ad1ea998969e@lugnet.com>
My message then identifies itself as a follow-up to your message by containing
a reference to your message, for example:
References: <MPG.11106c31ad1ea998969e@lugnet.com>
A follow-up message can have one or many references to earlier articles in the
thread, and by reading and interpreting all of these message ID and references,
a newsreader makes a thread-tree.
Here is a graphical example of a medium-size thread-tree spanning multiple
newsgroups:
http://www.lugnet.com/news/display.cgi?lugnet.reviews:74
--Todd
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Message is in Reply To:
 | | Richard's obligatory, monthly, stupid question!!!
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| Usenet...... a server gives a message to a group a number..... That number, is it assigned in strict order of which messages are received, or does it know, for instance, if a particular message might be the 5th in reply to a thread, and number it (...) (25 years ago, 20-Jan-99, to lugnet.off-topic.fun)
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