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I've been trying to parse xml string using python, codes following:
 #-*- coding: utf-8 -*-
 import xml.etree.ElementTree as xmlet
 s = '<?xml version="1.0" encoding="GBK"?><info></info>'
 xmlet.fromstring(s)
Then:
 $ python2.6 test.py
or:
 $ pypy test.py
Traceback message came out like this:
 Traceback (most recent call last):
 File "test.py", line 4, in <module>
 xmlet.fromstring(s)
 File "/System/Library/Frameworks/Python.framework/Versions/2.5/lib/python2.5/xml/etree/ElementTree.py", line 963, in XML
 parser.feed(text)
 File "/System/Library/Frameworks/Python.framework/Versions/2.5/lib/python2.5/xml/etree/ElementTree.py", line 1245, in feed
 self._parser.Parse(data, 0)
 xml.parsers.expat.ExpatError: unknown encoding: line 1, column 30
I've seen this in following cases:
 Python2.5.6 on Mac OS X Lion
 Python2.6.5 on Ubuntu 10.04
 pypy1.7.0 on Mac OS X Lion
But not in these cases:
 Python2.6.7 on Mac OS X Lion
 Python2.7.1 on Mac OS X Lion