Description:
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Abbreviated month always displays month names with three letters.

However ... in Swedish we never write July and June with three letters.
This is seen as wrong and not the standard way of shortening the month names.

The reason is simple. July (juli in swedish) when shortening to three letter 
becomes 'Jul' which is the swedish word for christmas.

I realized how stupid and funny it looks when I programmed a calendar plugin for 
wordpress and I echoed some dates in July.

So both July and June should spell out juli and juni when set_locale is set to 
Swedish language.

One more detail; Month names should are written in lowercase in Swedish when 
used in sentences. This can of course simply be controlled by the programmer 
using strtolower() and should be the prefered solution I'd say.

Test script:
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<?php

setlocale(LC_ALL, 'sv_SE');

echo strftime('%d %b %Y', strtotime("2 July 2011"));

?>

Expected result:
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2 Juli 2011

Actual result:
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2 Jul 2011

(Jul = Christmas in swedish)