Encoding is always UTF-8 (?)

[watson1978@…]

Test code:

$ cat a.rb    
# coding: us-ascii
p __ENCODING__        #=> #<Encoding:US-ASCII>
p "abc".encoding      #=> #<Encoding:US-ASCII>
p "\x80".encoding     #=> #<Encoding:ASCII-8BIT>

Result on Ruby 1.9.2 preview3:

$ ruby -v a.rb 
ruby 1.9.2dev (2010-05-31 revision 28117) [x86_64-darwin10.3.0]
#<Encoding:US-ASCII>
#<Encoding:US-ASCII>
#<Encoding:ASCII-8BIT>

Result on MacRuby:

$ macruby a.rb                
#<Encoding:US-ASCII>
#<Encoding:UTF-8>
#<Encoding:UTF-8>

When script encoding is "us-ascii", I think that literal encoding should return "ASCII-8BIT".

[lsansonetti@…]

MacRuby doesn't really honor the script encoding setting. It uses UTF-8 by default for pretty much everything. I suspect it's not going to change any time soon, though better compatibility could be added once we approach 1.0.

[watson1978@…]

It seems that this issue blocks #849.

[lsansonetti@…]

This bug might be needed for 1.0, however I don't know if there are any Ruby libraries around using the encoding: magic comment with something different than utf-8.

[eloy.de.enige@…]

Skimming through the search results on github for "# encoding" hasn't revealed any other encodings than utf-8 indeed.

 https://github.com/search?langOverride=&language=ruby&q=%23+encoding&repo=&start_value=6&type=Code&x=0&y=0

[lsansonetti@…]

Moving this bug to Later.