Re: [bug-mailutils] Unfolding header value

[Alain Magloire]

> 
> 
> --J/dobhs11T7y2rNN
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> Quoteing address@hidden, on Wed, Jul 02, 2003 at 11:46:49AM -0400:
> > In general, what is the best policy?
> > 
> > (1) in this case:
> > 
> >  Received: from hub.ott.qnx.com (address@hidden [192.168.2.2]) by 
> > smtp.ott.qnx.com (8.8.8/8.6.12) with ESMTP id LAA10830 for 
> > <address@hidden>; Fri, 13 Sep 2002 11:56:09 -0400
> >  Received: from luna.pizzashack.org (h52544c185a20.ne.client2.attbi.com 
> > [24.147.42.69])
> >         by hub.ott.qnx.com (8.9.3/8.9.3) with ESMTP id LAA15686
> >         for <address@hidden>; Fri, 13 Sep 2002 11:55:21 -0400
> >  Received: (from address@hidden)
> >         by luna.pizzashack.org (8.11.6/8.11.2) id g8DFuj220932;
> >         Fri, 13 Sep 2002 11:56:45 -0400
> > 
> > What should header_get_value return ?
> 
> I'd say header_get_value() should take an index, and get the value of
> the indexed field.
> 
> IMAPd used to have a bug where all the values of all Received fields
> were concatenated into one value. This bug actually originated in
> header_get_field() concatenating fields. 
> 
> I guess no IMAP clients actuall do a fetch of the Received field, so
> noone really cares, and the interesting fields aren't allowed to have
> duplicates (to, subject, resent-from, date).
> 
> > (2) header_get_value() is also used in imap4d etc ... to return header 
> > field values.
> >     If we fold and collapse headers, how to unfold and unduplicate(see the 
> > "Received:" case)
> > 
> > (3) maybe an approach is to add new methods/API to header_t to handle the 
> > cases.
> 
> 
> I started to work on the header_get functions, and bogged down (the
> changes went deep). Note it allows getting of complete fields with all
> the folded white space and field names intact (this what IMAP would
> call), and what users might want - getting unfolded values. I think I
> have some implementation, but I can't really see, I don't have CVS
> access working right now, and I'm going on vacation.

What happen to your write access ?

The bad news is that I'm going off tomorow also.  But if could generate
a diff -u, I can take a closer when back from vacation.  Just post it
to the list  usually when I get back my mailbox is 4000 emails.
This were I **really** appriecate the work you and sergey did on sieve 8-)