Load mmfile faild if its name has chinese character

[anonymous]

load mmfile faild if its name has chinese character (and maybe other none-ascii char)

original freeMindFlashBrowser works fine

macro string (on my site): [[Freemind(wiki://SandBox/时间计划.mm)]]

FreemindMacro Debug Log
=======================

time: 20090417T024324Z
version: 
content: wiki://SandBox/时间计划.mm,debug
args: [u'wiki://SandBox/\u65f6\u95f4\u8ba1\u5212.mm', u'debug']
kwargs: {}
formatter.href.base: /trac/main
script: 

            $(document).ready(function() {
                $("#flashcontent01").mouseover(function() {
                    document.visorFreeMind01.focus();
                });
            });
            
            // url: /trac/main/raw-attachment/wiki/SandBox/时间计划.mm
            // base: /trac/main/raw-attachment/wiki/SandBox/

environment : python 2.5 , trac 0.11.4 , apache 2.2.9 with modpython 3.3.1 , firefox 3.0.8 , win2003

real name of the attachment file on the server is '%E6%97%B6%E9%97%B4%E8%AE%A1%E5%88%92.mm', but display corectly in the url of attachment of wiki page

sorry for my poor english