[Python-3000] Universal newlines support in Python 3.0

[Tony Lownds]

On Aug 11, 2007, at 10:29 AM, Guido van Rossum wrote:
>> Is this ok: when newline='\r\n' or newline='\r' is passed, only that
>> string is used to determine
>> the end of lines. No translation to '\n' is done.
>
> I *think* it would be more useful if it always returned lines ending
> in \n (not \r\n or \r). Wouldn't it? Although this is not how it
> currently behaves; when you set newline='\r\n', it returns the \r\n
> unchanged, so it would make sense to do this too when newline='\r'.
> Caveat user I guess.

Because there's an easy way to translate, having the option to not  
translate
apply to all valid newline values is probably more useful. I do think  
it's easier
to define the behavior this way.

> OK, if you think you can, that's good. It's not always sufficient (not
> if there was a mix of line endings) but it's a start.

Right

-Tony