Sieve and subject with ISO-8859

[Benoit BURATTI]

Hello all,

I use cyrus 2.2.12, and i have a bug with sieve:

i use a simple script like this:

    IF 'Subject:' contains 'donnadille' THEN file into 'INBOX/donnadille';

but if the subject of the email contain:

    pre-proyecto à l'attention de JL Donnadille & Bareilles

it does'nt work, otherwise with this subjet it works:

    packer citricos pre-proyecto à l'attention de JL Donnadille & Bareilles

after some investigations, it apears that in the source of the email the 
subject is transformed like this:

for the first subject:
Subject: pre-proyecto =?ISO-8859-1?Q?=E0_l=27attention_de_JL_Donn?=
 =?ISO-8859-1?Q?adille_=26_Bareilles?=

for the second subject:
Subject: packer citricos pre-proyecto =?ISO-8859-1?Q?=E0_l=27attention_?=
 =?ISO-8859-1?Q?de_JL_Donnadille_=26_Bareilles?=

Also the mail client can create diferently this (icedove 2.0.0.9 in this 
example).

Did cyrus 2.3.11 correct this bug or not? or there is for the next 
release a fix for this?

Many thanks for any support.