[Tickets #7781] Folder names in the folder list are displayed in wrong encoding

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Ticket URL: http://bugs.horde.org/ticket/7781
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  Ticket             | 7781
  Created By         | leva at ecentrum.hu
  Summary            | Folder names in the folder list are displayed in wrong
                     | encoding
  Queue              | IMP
  Version            | 4.3.2
  Type               | Bug
  State              | Unconfirmed
  Priority           | 1. Low
  Milestone          |
  Patch              |
  Owners             |
+New Attachment     | problem_preview.png
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leva at ecentrum.hu (2008-12-15 12:52) wrote:

The left-side folder list has some folders, whos names contains  
localized characters. This is displayed correctly when I select the  
"English (American,Canadian,British)" language on the login page from  
the dropdown menu. But when I choose any other locale (but let's say  
now I choose my own locale, which is "Magyar" (Hungarian)), the  
folders won't display the correct characters. It's like this:

Folder name with "English (*)" locale:
"Ügyfél"

Folder name with "Magyar" locale:
"&ANw-gyf&AOk-l"

The latter is the same UTF-7 displaying as with the folder's name on  
the filesystem:
# ls -1 user/Maildir/
[...]
.&ANw-gyf&AOk-l/
[...]

I have configured the php apache module to use mbstring, and I have  
installed and am using the libiconv library with php.

$ php -i |fgrep mbstring
mbstring.detect_order => no value => no value
mbstring.encoding_translation => Off => Off
mbstring.func_overload => 0 => 0
mbstring.http_input => pass => pass
mbstring.http_output => pass => pass
mbstring.internal_encoding => no value => no value
mbstring.language => neutral => neutral
mbstring.strict_detection => Off => Off
mbstring.substitute_character => no value => no value
$ php -i |fgrep iconv
Registered Stream Filters => string.rot13, string.toupper,
string.tolower, string.strip_tags, convert.*, consumed,convert.iconv.*,
zlib.*
iconv
iconv support => enabled
iconv implementation => libiconv
iconv library version => 1.11
iconv.input_encoding => ISO-8859-1 => ISO-8859-1
iconv.internal_encoding => ISO-8859-1 => ISO-8859-1
iconv.output_encoding => ISO-8859-1 => ISO-8859-1

It's like that IMP doesn't even try to convert the folder names,  
because it is displayed in the "native" way, exactly the same as on  
the filesystem.