[issue11489] json.dumps not parsable by json.loads (on Linux only)

[STINNER Victor]

STINNER Victor <victor.stinner at haypocalc.com> added the comment:

print(repr(json.loads(json.dumps({u"my_key": u'\uda00'}))['my_key'])):
 - displays u'\uda00' in Python 2.7, 3.2 and 3.3
 - raises a ValueError('Invalid \uXXXX escape: ...') on loads() in Python 2.6
 - raises a ValueError('Unpaired high surrogate: ...') on loads() in Python 3.1

json version changed in Python 2.7: see the issue #4136.

See also this important change in simplejson:
http://code.google.com/p/simplejson/source/detail?r=113

We only fix security bugs in Python 2.6, not bugs. I don't think that this issue is a security bug in Python 2.6.

We might change Python 3.1 behaviour.

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