Backport #9798: Backport latest version of Psych

• Status: Closed
• Assignee: -

[hsbt (Hiroshi SHIBATA)]

Please backport libyaml-0.1.6 fixes in Psych.

ref. r45221, r45453, r45455 and r45577

[nagachika (Tomoyuki Chikanaga)]

• Status changed from Open to Closed
• % Done changed from 0 to 100

Applied in changeset r45811.

---

merge revision(s) r45221: [Backport #9798]

* ext/psych/lib/psych/visitors/yaml_tree.rb: support dumping Encoding
  objects.

* ext/psych/lib/psych/visitors/to_ruby.rb: support loading Encoding
  objects.

* test/psych/test_encoding.rb: add test

* ext/psych/lib/psych.rb: add version