Just for completeness I'll leave an additional comment with some 
thoughts I've written before reading Jan's hint to #7545:



IMO the real mess here is forcing translators into using 
IMAP_UTF7-encodings - and not using special folder translations as 
"real" IMAP folders instead of labels. On (IMAP) server side there 
should be a consistent naming, unfortunately there is no standard 
prescribing such names. However, as of my researches most vendors 
agree on Drafts, Sent and Trash - and also IMP is using them as a 
default setting.



Instead of using as real folder names and translating just their 
labels, IMP is setting them to _('Drafts') etc. After testing IMP in 
four different languages (the ones being used by our customers) I had 
12 special folders in my mailbox.



User (or administrative) preferences should set drafts_folder, 
sent_mail_folder and trash_folder corresponding to real IMAP folder 
names. Labels for these folders have always to be shown as 
_('Drafts'), _('Sent') and _('Trash'), regardless of what IMAP folder 
they are bound to. If a user has to change it's special folder 
location for some reason (mostly "Sent Items", "SENT" etc, as of 
compatibility reasons) he will continue to read _('Sent') in (D)IMP - 
in his very own language. This is how Thunderbird and other IMAP 
clients are behaving, and in my eyes this would be the correct 
approach for IMP too.



A "correct" patch should not happen where I applied it, but earlier in 
IMAP tree creating (Note: exactly as done by Massimiliano). It should 
substitute labels for this special folders (INBOX is a similar case 
and already handled correctly in some hardcoded way) with translated 
labels - so even 'SENT' and 'Sent Items' would show up as _('Sent').



That's enough spam for now - as I've had already written down this 
(and even more), so I didn't want to throw it away ;-)



Regards,

Thomas

Jan: thank you for this hint, #7545 is great!

Duplicate of request #7545.

We resisted this "feature" for a long time because of exactly this 
mess. I'll defer to some extent to Jan, but is there some reason you 
started this as a discussion here, instead of hashing it out on the 
mailing list and then filing an enhancement (if necessary) for the 
agreed-upon solution?

IMP's way of handling translated special folders doesn't really excite 
me, here some thoughts:



Current default preferences

---------------------------

$_prefs['drafts_folder']    = array('value' => _("Drafts"), ...

$_prefs['trash_folder']     = array('value' => _("Trash"), ...

$_prefs['sent_mail_folder'] = array('value' => _("Sent"), ...



This way users using their webmail with different languages (YES, 
there are users doing so) will get many differently named special 
folders. But even if just using German (just as an example) they will 
have trouble when also using Thunderbird or another IMAP-Client. TB's 
default setting for example are exactly the same as IMP ones: Drafts, 
Trash, Sent. But a German user would have to either reconfigure IMP or 
TB as IMP will create Entwürfe, Papierkorb and Gesendet. And after 
that he'll see every folder name twice in TB, but the one with the 
special folder symbol will not be the same as in DIMP.



I also mislike the idea to force translators to use IMAP_UTF7-encoded 
strings - if they're using poedit they will not know which one of the 
texts containing "Entwürfe" will have to be encoded. Example from 
German translation:



#: config/prefs.php.dist:301

msgid "Drafts"

msgstr "Entw&APw-rfe"



I temporarily solved this for myself by setting prefs to 'Drafts', 
'Sent' and 'Trash' (without _()) and adding a new foreach-loop to 
DIMP::getFolderResponse(), hardcoding my folder names:



         foreach ($result['a'] as $k => $v) {

             if (! isset($v->s)) continue;

             if ($v->s != 1) continue;

             if (in_array($v->l, array('Trash', 'Sent', 'Drafts'))) {

                 $result['a'][$k]->l = mb_convert_encoding(_($v->l), 
'UTF-8', 'UTF7-IMAP');

             }

         }



Obviously this is a quick & dirty hack and not a solution to be 
applied generically - it should be solved in a clean way in more than 
one location:

- suggesting Trash, Sent and Drafts as default special folder names

- doing translation in (D)IMP's folder tree creation functions and to 
be applied to labels only

- removing IMAP_UTF7-nonsense from translation files



Please also see bug #7759 for an example fix of label usage in DIMP.



Regards,

Thomas Gelf