[Tagging] service=drive-through or drive_through?

[Anthony]

On Tue, Jun 28, 2011 at 8:45 PM, Dave F. <davefox at madasafish.com> wrote:
> Potlatch2 tags drive-through. The wiki & some users who changed this tag
> think it's drive_through.
>
> Not that it makes any odds to me which it is, but it might save time for
> others who go around changing one to the other.
>
> Which should it be?

It should be drive-through.  (http://en.wikipedia.org/wiki/Drive-through)