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Subject: |
Re: What exactly is a NOV header |
Date: |
Wed, 04 Jul 2007 13:17:51 -0700 |
User-agent: |
Gnus/5.11 (Gnus v5.11) Emacs/22.1.50 (darwin) |
>>>>> "Anupam" == Anupam Sengupta <address@hidden> writes:
>>>>> "Madhu" == Madhu <address@hidden> writes:
Slackrat> Slackrat <address@hidden> wrote:
Slackrat> Could someone please refer me to a definition of exactly what a
Slackrat> NOV header is in simple language?
Anupam> NOV stands for _News Overview_ and is a header/database format for
Anupam> newsreaders to process data in the NNTP articles. This format was
Anupam> developed by Geoff Collyer and is now a defacto standard for NNTP
Anupam> newsreaders - including Gnus.
Anupam> You can read more about the NOV format and headers at:
Anupam>
http://www.faqs.org/faqs/usenet/software/inn-faq/part1/section-15.html
Madhu> Its described in the info file for gnus. Did you already read this:
Madhu> M-x eval-expression RET (info "(gnus)Headers") RET
Anupam> No. NOV is NOT described in the info node you mentioned (at
Anupam> least on my install, which is gnus v5.11). Please check before
Anupam> posting. A *reference* is made to NOV headers - but as the OP
Anupam> pointed out, no definition of *what* NOV headers are is not
Anupam> provided.
Another good definition is at:
http://quimby.gnus.org/notes/nov-faq.txt
>From the FAQ:
,----
| _What is the Overview/NOV database?_
|
| The Overview or News OverView (NOV) database was designed by Geoff
| Collyer. Its a more generalized database, it it contains *no*
| threading information, just the information needed to thread. The
| overview database is just a database of files, one for each group,
| containing a reference to each article, with seven or eight of the
| most popular headers. Thus, the newsreader client can get most of the
| information it needs to thread, but it does the threading the way it
| wants to. Yes, the downside is that now the threading occurs on the
| client's CPU, but that's not as expensive as it may seem, if done
| properly.
`----
--
Anupam
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