[WikiEN-l] So, what is the deal with flagged revisions?

[Anthony]

On Thu, Aug 27, 2009 at 12:27 PM, Andrew Turvey <
andrewrturvey at googlemail.com> wrote:

> ----- "Anthony" <wikimail at inbox.org> wrote:
> > From: "Anthony" <wikimail at inbox.org>
> > > On Thu, Aug 27, 2009 at 9:52 AM, Andrew Turvey <
> andrewrturvey at googlemail.com> wrote:
>>
>> > > 5) Are you supposed to "check" an entire article prior to flagging it?
>> >
>> >
>> No - I understand it's just the edit(s) since it was last flagged.
>
>
> > What if it wasn't previously flagged?
>
> Good question. I understand the current idea is that the first flagged
> version should be checked completely, but that will take a lot of work to
> implement.
>

Can someone explain how that works from a technical standpoint?  If an
article is flag-protected and has no reviewed version, what shows up to IP
users?