[New-bugs-announce] [issue13323] urllib2 does not correctly handle multiple www-authenticate headers in an HTTP response

["Martin v. Löwis"]

> I ran into an application that responded with two www-authenticate
> challenges  to an HTTP request. First, it sends a standard Basic
> authentication challenge and then it also returns a www-authenticate
> header referencing another scheme. 

What exactly do you mean by "then"? In HTTP, there is only a single
response to a single request, so in what way does the server send
two responses to a single request?