[issue16688] Backreferences make case-insensitive regex fail on non-ASCII strings.

[Matthew Barnett]

Changes by Matthew Barnett <python at mrabarnett.plus.com>:


Removed file: http://bugs.python.org/file28330/issue16688#3.patch

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue16688>
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