From: Martin Duerst <duerst@...>
Date: 2008-12-14T18:12:43+09:00
Subject: [ruby-core:20548] Re: 1.9 character encoding (was:  encoding ofsymbols)

At 16:31 08/12/14, Michael Selig wrote:
>On Sun, 14 Dec 2008 17:26:10 +1100, Daniel Luz <dev@mernen.com> wrote:

>> I only knew of ASCII-compatibility. Are there other cases? ISO-8859-1
>> and Windows-1252 (a superset) at least are not compatible:
>>
>> i = "cafテゥ".encode("iso-8859-1")
>> w = "cafテゥ".encode("windows-1252")
>> i == w # => false
>> i + w # Encoding::CompatibilityError
>> w + i # Encoding::CompatibilityError
>
>I think this might be a bug.

In Ruby, as in most other practical uses that I know of,
iso-8859-1 (as well as all the other iso-8895-x) includes
control codes in the range 0x80-0x9F. ISO-8859-1 and
Windows-1252 would be compatible if you ignore these
control codes, but we can't just ignore them.

Regards,    Martin.


#-#-#  Martin J. Du"rst, Assoc. Professor, Aoyama Gakuin University
#-#-#  http://www.sw.it.aoyama.ac.jp       mailto:duerst@it.aoyama.ac.jp