Issue #9700 has been reported by Si Cheng.

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Bug #9700: [DOC] Fix for documentation of URI::Escape
https://bugs.ruby-lang.org/issues/9700

* Author: Si Cheng
* Status: Open
* Priority: Low
* Assignee: Zachary Scott
* Category: doc
* Target version: 
* ruby -v: 2.1.0
* Backport: 2.0.0: UNKNOWN, 2.1: UNKNOWN
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I was trying to use URI.escape to encode "."
http://www.ruby-doc.org/stdlib-2.1.0/libdoc/uri/rdoc/URI/Escape.html

the REGEXP::UNSAFE was no longer exist.



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