bug#72526: Needs NEWS item and doc change

[Stefan Kangas <stefankangas@gmail.com>]

Tim Ruffing <dev@real-or-random.org> writes:

> I think the first patch (commit a7a22e7) is a good change, but it
> should get a NEWS item because it breaks existing configurations.
>
> If you had this in your netrc file:
>     machine www.example.com:443 port https login foo password bar
> Then it needs to be changed to:
>     machine www.example.com port https login foo password bar
>
> See https://github.com/dengste/org-caldav/issues/320 for reports of
> people running into this. This is true not only for netrc files but
> also for other authinfo backends. (For example, I've run into this
> issue with the GNOME keyring / Secret Service API.)
>
> Moreover, the docs need to be updated. doc/misc/auth.texi has an
> example that uses `yourmachine.com:80`. This should be changed to
> `yourmachine.com`. (Or better, `example.com` or some domain reserved
> for documentation, see https://www.iana.org/help/example-domains ).

Björn, could you please take a look at this?