From: normalperson@... Date: 2018-05-03T01:25:51+00:00 Subject: [ruby-core:86855] [Ruby trunk Bug#14732][Open] CGI.unescape returns different instance between Ruby 2.3 and 2.4 Issue #14732 has been updated by normalperson (Eric Wong). Status changed from Closed to Open I'm actually not sure what the correct behavior should be... ---------------------------------------- Bug #14732: CGI.unescape returns different instance between Ruby 2.3 and 2.4 https://bugs.ruby-lang.org/issues/14732#change-71819 * Author: jnchito (Junichi Ito) * Status: Open * Priority: Normal * Assignee: * Target version: * ruby -v: 2.4.4 * Backport: 2.3: REQUIRED, 2.4: REQUIRED, 2.5: REQUIRED ---------------------------------------- In Ruby 2.3, CGI.unescape always returns String object: ~~~ ruby $ ruby -v -rcgi/util -e 'class S < String; end; puts CGI.unescape(S.new("a")).class' ruby 2.3.6p384 (2017-12-14 revision 61254) [x86_64-darwin17] String ~~~ But in Ruby 2.4, it might return non-String object when the argument value is not a String instance: ~~~ ruby $ ruby -v -rcgi/util -e 'class S < String; end; puts CGI.unescape(S.new("a")).class' ruby 2.4.4p296 (2018-03-28 revision 63013) [x86_64-darwin17] S ~~~ This change triggered the following issue: https://github.com/rest-client/rest-client/issues/662 Is this change intentional? -- https://bugs.ruby-lang.org/ Unsubscribe: