From: Tom Link <redmine@...>
Date: 2009-02-03T22:53:34+09:00
Subject: [ruby-core:21802] [Bug #1098] Unclear encoding error: #<Encoding::UndefinedConversionError: "\xE2\x96\x80" from UTF-8 to ISO-8859-1 in conversion from CP850 to ISO-8859-1>

Bug #1098: Unclear encoding error: #<Encoding::UndefinedConversionError: "\xE2\x96\x80" from UTF-8 to ISO-8859-1 in conversion from CP850 to ISO-8859-1>
http://redmine.ruby-lang.org/issues/show/1098

Author: Tom Link
Status: Open, Priority: Normal
ruby -v: ruby 1.9.1p0 (2009-01-30 revision 21907) [i386-cygwin]

The test script below exits with the error: #<Encoding::UndefinedConversionError: "\xE2\x96\x80" from UTF-8 to ISO-8859-1 in conversion from CP850 to ISO-8859-1>

This is weird/unclear/incomprehensible because I fail to see what makes ruby think I'm working with utf8. If this isn't a bug, I would kindly ask to make the error message slightly more intelligible by adding information about what is set to UTF-8, what to ISO-8859-1 etc. The way it is now this message is slighlty esoteric.

Test script:

# Encoding: CP850
p Encoding.default_internal, Encoding.default_external # => nil, CP850
s = "wei��"
p s, s.encoding
p s.encode('ISO-8859-1')


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