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Feature #13488

Set Encoding.default_external to UTF-8 on Windows

Added by larskanis (Lars Kanis) about 3 years ago. Updated about 3 years ago.

Status:
Rejected
Priority:
Normal
Assignee:
-
Target version:
-
[ruby-core:80806]

Description

Currently Encoding.default_external is set to the local ANSI encoding of the Windows installation unless changed per option -E. This is cp850 for Western Europe. It should be changed to UTF-8.

The current setting is a major interoperability issue and it is neither useful nor expected, because nobody seriously uses the ancient locale dependent cpXYZ encodings for file content.

If a native encoding shall be used, it should be UTF-16 on Windows. However UTF-16 would make interoperability and compatibility even more difficult. So the only reliable choice for default_external is UTF-8, IMHO.

This is already patched per [1] in the upcoming RubyInstaller-2.4 for Windows release. It additionally requires a few changes to MRIs encoding tests.

[1] https://github.com/oneclick/rubyinstaller2/blob/master/recipes/compile/ruby-2.4.1/0005-utf-8-default-encoding.patch

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