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List:       kmail-devel
Subject:    Re: [Bug 54474] changing subject does not break thread
From:       Carsten Burghardt <cb () magic-shop ! de>
Date:       2003-02-15 18:17:15
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Am Samstag, 15. Februar 2003 18:54 schrieb Malte S. Stretz:
> On Saturday 15 February 2003 18:14 CET Melchior FRANZ wrote:
> > * Don Sanders -- Saturday 15 February 2003 18:10:
> > > Inspecting the bodies of mails during threading time would require
> > > calling getMsg on those mails and hence be slow.
> >
> > The most efficient (and IMHO acceptable) thing would be to only check
> > for "\bRe:\s" in the subject. Every correctly changed subject has to
> > contain Re:, either at the beginning or in a "(was: Re: old subject)".
> > Otherwise chances are very high that a message doesn't belong to a given
> > thread.
>
> Not necessarily. I tend to remove the Re: from the old subject creating
> something like "new subject (was: old subject)". I just don't like double
> prefixes. Now you could tell me "stop this, it's not correct" and I might
> even do so. But I think I'm not the only one on this world who does so. So
> looking for a missing /\bRe:/ isn't always a reliable sign for a broken
> thread. Maybe one could look for /\bwas:/i, too. I don't know.
>
> I personally wouldn't like my mailer doing too much magic to break threads.
> A manual command "Break this thread here" might be useful but about
> everything simple I'm quite suspicious. Hmmm... Maybe an algorithm like
> this could work:
> 1: Look for Re: in Subject  && return
> 2: Look for was: in Subject && return
> 3: Try to find previous Subject in new Subject, ignoring everything but
> alphas, with a max distance/fuzzyness of, say, 3 (you may correct three
> spelling errors but may remove as many bangs as you like) && return
> 4: break thread

What about a new "Reply and start a new thread" action? I don't think that 
it's worth the trouble to implement some magic.

-- 
Dipl.-Inf. Carsten Burghardt
PGP: http://www.magic-shop.de/Carsten_Burghardt.asc

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