[Tickets #7009] Disturbing warning displayed while decoding MIME headers containing accentued characters

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Ticket URL: http://bugs.horde.org/ticket/7009
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  Ticket             | 7009
  Created By         | mazet at softndesign.org
  Summary            | Disturbing warning displayed while decoding MIME
                     | headers containing accentued characters
  Queue              | IMP
  Version            | 4.2
  Type               | Bug
  State              | Unconfirmed
  Priority           | 2. Medium
  Milestone          | 4.1.6
  Patch              |
  Owners             |
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mazet at softndesign.org (2008-07-02 05:04) wrote:

Hi,

I've recently (last WE) updated my server from a 4 years old  
up-to-date Debian testing to a fresh installed Debian testing.

||/ Nom            Version        Description
+++-==============-==============-============================================
ii  horde3         3.2.1+debian0- horde web application framework
ii  imp4           4.1.6-1        webmail component for horde framework


I've dumped and import DBs and configuration files. After checking new  
options from the configuration interfaces, all modules (GOLLEM, INGO,  
IMP, KRONOLITH, MNEMO, NAG, TURBA) work fine except that, when I  
display certain email list,  I get:

Warning: Attempt to assign property of non-object in  
/usr/share/horde3/lib/Horde/MIME.php on line 391
Warning: Attempt to assign property of non-object in  
/usr/share/horde3/lib/Horde/MIME.php on line 391
Warning: Attempt to assign property of non-object in  
/usr/share/horde3/lib/Horde/MIME.php on line 391
Warning: Attempt to assign property of non-object in  
/usr/share/horde3/lib/Horde/MIME.php on line 391
Warning: Attempt to assign property of non-object in  
/usr/share/horde3/lib/Horde/MIME.php on line 647
Warning: Attempt to assign property of non-object in  
/usr/share/horde3/lib/Horde/MIME.php on line 647
Warning: Attempt to assign property of non-object in  
/usr/share/horde3/lib/Horde/MIME.php on line 647
Warning: Attempt to assign property of non-object in  
/usr/share/horde3/lib/Horde/MIME.php on line 647

It appear that the email address or the subject contain some accented  
(from French) such as:

Subject: [Fwd: Profils architecte =?ISO-8859-1?Q?d=27int=E9rieur=5D?=

How can I get rid off those annoying warning? Thanks,

Best regards,

       Laurent