[issue17582] xml.etree.ElementTree does not preserve whitespaces in attributes

[Stefan Behnel]

Stefan Behnel added the comment:

> Proper escaping should be added to the _escape_attrib() function into /xml/etree/ElementTree.py (and equivalent for cElementTree).

Agreed. Can you provide a patch?

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versions:  -Python 2.7

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<http://bugs.python.org/issue17582>
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