<div class="im">On Mon, Feb 14, 2011 at 11:10 PM, David Murn <span dir="ltr"><<a href="mailto:davey@incanberra.com.au" target="_blank">davey@incanberra.com.au</a>></span>
 wrote:<br></div><blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;"><div class="im">
<br><div>
> Second, an underground building. Connects to other buildings that 
are at<br>
> ground level and have basements.<br>

</div><br></div><div class="im">
building=yes<br>
building:levels=2<br>
building:min_level=-2<br>
height=6<br>
min_height=-6<br><br></div></blockquote><br>Rather than this complicated proposal, why not simply "building=underground" ? (like
 the already existing parking=underground)<br>Or make the "underground" a
 new generic key  e.g. "underground=yes"<br>
<br>Pieren