[issue1677872] Efficient reverse line iterator

[Daniel Diniz]

Changes by Daniel Diniz <ajaksu at gmail.com>:


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nosy: +benjamin.peterson, pitrou
stage:  -> patch review
type:  -> performance
versions: +Python 3.1 -Python 3.0

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue1677872>
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