From: Eric Wong <normalperson@...>
Date: 2018-05-03T01:24:54+00:00
Subject: [ruby-core:86854] Re: [Ruby trunk Bug#14732] CGI.unescape returns different instance between Ruby 2.3 and 2.4

me@jnito.com wrote:
> normalperson (Eric Wong) wrote:
> > > > https://bugs.ruby-lang.org/issues/14732
> >  
> >  r63328  This also affects 2.3 for unescapeHTML.
> 
> I confirmed r63328, but could not understand the valid specification.
> 
> In Ruby 2.3, CGI.escape and CGI.unescape always return String instance regardless of class and value:

Wait, sorry, I misread your original.  I guess it's the use of
String#b in the pure Ruby version.

> With r63328, I feel the all results would be the instance of
> "S" and this behavior is different from Ruby 2.3. But is this
> valid in Ruby 2.4?

Sorry, I'm not sure, anymore.  I revert r63328

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