[docs] [issue21977] In the re's token example OP and SKIP regexes can be improved

[Raymond Hettinger]

Changes by Raymond Hettinger <raymond.hettinger at gmail.com>:


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resolution:  -> fixed
status: open -> closed
versions:  -Python 2.7

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue21977>
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