Issue #6696 has been reported by madeofcode (Mark Dodwell).

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Bug #6696: [PATCH] 
https://bugs.ruby-lang.org/issues/6696

Author: madeofcode (Mark Dodwell)
Status: Open
Priority: Normal
Assignee: 
Category: 
Target version: 1.9.3
ruby -v: ruby 1.9.3p194 (2012-04-20 revision 35410) [x86_64-darwin11.4.2]


ERB::Util.url_encode is escaping tilde (~) where it should not according to the RFC.

This fixes that behaviour so that it now correctly avoids escaping all unreserved characters as per RFC 3986, Section 2.3:
http://tools.ietf.org/html/rfc3986#section-2.3

Fwiw., this is also how the Perl implementation works:
http://search.cpan.org/dist/URI/URI/Escape.pm#DESCRIPTION

I opened this issue originally on Github, but I think it warrants further discussion, so re-opening here.


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