"geo" microformat - specification and usage

Hi,

i'm investigating the use of "geo" on one of my
sites, and i have two open
questions with regards to this:

1) i didn't find what reference system the
"geo" microformat should use.
Although i suppose it is WGS84, neither the original vCard
specs nor the
microformats explicitely mention this. Since differences
between various
reference systems can be quite significant (up to a few
hundred meters), i
think it is important to specify this.

2) Are there any search engines which look at the
"geo" microformat? The
most popular search engine for that purpose seems to be
geourl.org -
however, they only index ICBM and "geo.position"
style meta tags.

thanks,

Alex
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In message <44F58D88.6070704nona.net>, Alex
Mayrhofer <axelmnona.net>
writes

>2) Are there any search engines which look at the
"geo" microformat?
>The most popular search engine for that purpose seems to
be geourl.org
>- however, they only index ICBM and
"geo.position" style meta tags.

AIUI, they're concerned about spammers - a page can only be
marked up
with one point using ICBM or geo.position, but you could, in
theory,
have a point for each town in the UK on one page, with the
microformat.
-- 
Andy Mabbett
                Say "NO!" to compulsory ID
Cards:  <http://www.no2id.net/>

                Free Our Data:  <http://www.freeourd
ata.org.uk>
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