Demo

<mapml-viewer projection="OSMTILE" zoom="10" lon="-75.7" lat="45.4" controls="">
  <layer- label="OpenStreetMap" src="../data/osm.mapml" checked></layer->

<layer- label="Polygon" checked>
    <map-meta name="projection" content="OSMTILE"></map-meta>
    <map-feature min="10" max="11">
      <map-featurecaption>Click me!</map-featurecaption>
      <map-geometry>
        <map-a href="#15, -75.699, 45.420">
          <map-polygon class="polygon">
            <map-coordinates>-75.8242035 45.3526278 -75.6793213 45.4572409 -75.5680847 45.4692806 -75.6092834 45.4215881 -75.5756378 45.3810901 -75.7946777 45.3120804</map-coordinates>
          </map-polygon>
        </map-a>
      </map-geometry>
      <map-properties></map-properties>
    </map-feature>
  </layer->

<layer- label="Points" checked>
    <map-meta name="projection" content="OSMTILE"></map-meta>
    <map-feature min="14" max="24">
      <map-featurecaption>Point 1</map-featurecaption>
      <map-geometry>
        <map-point class="point">
          <map-coordinates>-75.6978285 45.4202251</map-coordinates>
        </map-point>
      </map-geometry>
      <map-properties></map-properties>
    </map-feature>
    <map-feature min="14" max="24">
      <map-featurecaption>Point 2</map-featurecaption>
      <map-geometry>
        <map-point class="point">
          <map-coordinates>-75.7002854 45.4199465</map-coordinates>
        </map-point>
      </map-geometry>
      <map-properties></map-properties>
    </map-feature>
    <map-feature min="14" max="24">
      <map-featurecaption>point 3</map-featurecaption>
      <map-geometry>
        <map-point class="point">
          <map-coordinates>-75.6984723 45.4179207</map-coordinates>
        </map-point>
      </map-geometry>
      <map-properties></map-properties>
    </map-feature>
  </layer->
</mapml-viewer>

MapML Demo: <map-a>