[docs] [issue8402] Add a function to escape metacharacters in glob/fnmatch

[Serhiy Storchaka]

Changes by Serhiy Storchaka <storchaka at gmail.com>:


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assignee: docs at python -> 
components:  -Documentation
keywords: +needs review
resolution: invalid -> 
stage:  -> patch review

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue8402>
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