From: Aaron Patterson <aaron@...>
Date: 2011-05-24T03:09:39+09:00
Subject: [ruby-core:36411] Re: [Ruby 1.9 - Bug #4758] yaml file not human readable when saving utf-8


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On Tue, May 24, 2011 at 02:51:16AM +0900, Eric Hodel wrote:
>=20
> Issue #4758 has been updated by Eric Hodel.
>=20
>=20
> This is the YAML spec, it is not a bug of ruby.  See: http://www.yaml.org=
/spec/1.2/spec.html

Yes, it is YAML spec.  However, if it's a valid UTF-8 string, I think it
*should* be output as that UTF-8 string.

For example:

  # encoding: utf-8

  require 'yaml'
  require 'psych'

  p Psych.dump({ :hello =3D> '=E3=81=93=E3=82=93=E3=81=AB=E3=81=A1=E3=81=AF=
=EF=BC=81'})
  p YAML.dump({ :hello =3D> '=E3=81=93=E3=82=93=E3=81=AB=E3=81=A1=E3=81=AF=
=EF=BC=81'})

The results are:

  "---\n:hello: =E3=81=93=E3=82=93=E3=81=AB=E3=81=A1=E3=81=AF=EF=BC=81\n"
  "--- \n:hello:
  \"\\xE3\\x81\\x93\\xE3\\x82\\x93\\xE3\\x81\\xAB\\xE3\\x81\\xA1\\xE3\\x81\=
\xAF\\xEF\\xBC\\x81\"\n"

Which seems like unexpected behavior of syck to me.

To fix this, I will make Psych default for 1.9.3.

--=20
Aaron Patterson
http://tenderlovemaking.com/

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