BUG #7796: LC_MESSAGES

The following bug has been logged on the website:

Bug reference: 7796
Logged by: Michael
Email address: funnybonn40(at)yahoo(dot)com
PostgreSQL version: 9.1.7
Operating system: Windows 7
Description:

Hello, my engish is not so good, but i try to describe what seems not to
work. Could it be, that the LC_MESSANGES for months and days like

Months
------
Janary=Januar
February=Februar

Days
----
monday=Montag
Thursdat=Dienstag

not implemented for German? I execute this command:
set datestyle to german
But the result of following query is:
select to_char(current_timestamp,'DAY');
"MONDAY "

Best regards

Michael