Re: Why do the URLs of posts here change?

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From	Terry Reedy <tjreedy@udel.edu>
Subject	Re: Why do the URLs of posts here change?
Date	Sat, 10 Jan 2015 04:41:49 -0500
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On 1/9/2015 7:04 AM, Skip Montanaro wrote:
>> Posts on this newsgroup/mailing list are archived on the web, but the URLs
>> seem to change, which leaves dead links if you search for things.
>
> Steven,
>
> It's a known issue, but one which appears to be somewhat unavoidable,
> at least in Mailman 2.x. The problem is that every now and then,
> postmaster@python.org gets a legitimate request from someone for a
> message to be deleted from the list archive. The way this is done, is
> that the message is removed from the underlying mbox file,

The post could be replaced by a placeholder "This message deleted'

  and the
> archive regenerated. That changes the counter for every message after

A placeholder should avoid that.

> that point - or maybe every message in the generated archive. (I have
> no idea why the numerical basename of your subject message would have
> changed so much. Maybe there is just a single ever incrementing
> counter for a given Mailman installation.)

-- 
Terry Jan Reedy

Thread

Why do the URLs of posts here change? Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2015-01-09 21:56 +1100
  Re: Why do the URLs of posts here change? Skip Montanaro <skip.montanaro@gmail.com> - 2015-01-09 06:04 -0600
    Re: Why do the URLs of posts here change? Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2015-01-09 23:28 +1100
    Re: Why do the URLs of posts here change? Gregory Ewing <greg.ewing@canterbury.ac.nz> - 2015-01-10 16:21 +1300
      Re: Why do the URLs of posts here change? Chris Angelico <rosuav@gmail.com> - 2015-01-10 14:53 +1100
        Re: Why do the URLs of posts here change? albert@spenarnc.xs4all.nl (Albert van der Horst) - 2015-01-17 16:39 +0000
          Re: Why do the URLs of posts here change? Gregory Ewing <greg.ewing@canterbury.ac.nz> - 2015-01-18 11:31 +1300
  Re: Why do the URLs of posts here change? Peter Otten <__peter__@web.de> - 2015-01-09 13:04 +0100
  Re: Why do the URLs of posts here change? Rustom Mody <rustompmody@gmail.com> - 2015-01-09 06:09 -0800
    Re: Why do the URLs of posts here change? Skip Montanaro <skip.montanaro@gmail.com> - 2015-01-09 08:15 -0600
      Re: Why do the URLs of posts here change? Rustom Mody <rustompmody@gmail.com> - 2015-01-09 08:52 -0800
        Re: Why do the URLs of posts here change? Chris Angelico <rosuav@gmail.com> - 2015-01-10 03:57 +1100
          Re: Why do the URLs of posts here change? Rustom Mody <rustompmody@gmail.com> - 2015-01-09 09:19 -0800
  Re: Why do the URLs of posts here change? Terry Reedy <tjreedy@udel.edu> - 2015-01-10 04:41 -0500
  Re: Why do the URLs of posts here change? Skip Montanaro <skip.montanaro@gmail.com> - 2015-01-10 07:57 -0600

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