From: ruby-lang.org@...
Date: 2018-05-28T13:20:50+00:00
Subject: [ruby-core:87276] [Ruby trunk Bug#14790] DateTime.iso8601 parses	incorrect ISO8601

Issue #14790 has been reported by Quintasan (Micha�� Zaj��c).

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Bug #14790: DateTime.iso8601 parses incorrect ISO8601
https://bugs.ruby-lang.org/issues/14790

* Author: Quintasan (Micha�� Zaj��c)
* Status: Open
* Priority: Normal
* Assignee: 
* Target version: 
* ruby -v: 2.4.2p198
* Backport: 2.3: UNKNOWN, 2.4: UNKNOWN, 2.5: UNKNOWN
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I noticed it today when migrating to Time in my library but DateTime somehow parses incorrect ISO8601 dates. Technically that's a feature but I believe this behaviour is incorrect. Time#iso8601 behaves correctly in this case.

# Steps to reproduce

~~~ ruby
require 'time'
date = "2018-05-17T12:17:11+0200"
DateTime.iso8601(date) # => #<DateTime: 2018-05-17T12:17:11+02:00 ((2458256j,37031s,0n),+7200s,2299161j)>
Time.iso8601(date) # ArgumentError: invalid date: "2018-05-17T12:17:11+0200"
~~~





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