binding a reference to a variable

[Just van Rossum]

In article <a99q7f$ss6$1 at panix1.panix.com>, aahz at pythoncraft.com (Aahz) 
wrote:

> But it *is* silly.  That's why we have iterators.  One thing I noticed
> recently about how fragile the while 1 idiom is: it depends on
> readline() returning linebreaks.  Writing a file-like class for which
> this *isn't* true breaks the idiom.

I'd say it breaks the file protocol, part of which is: if read() or 
readline() returns the empty string you're at the end of the file. 
Nitpicking, nitpicking...

Just