), also with
          self-tangent polygons or shared edges
        </li>
<li class="listitem">
          SVG: support boost::variant of geometries
        </li>
<li class="listitem">
          SVG: coordinates are now written as double (by default) to svg
        </li>
<li class="listitem">
          Rename namespace concept to concepts to avoid conflicts with the newest
          compilers
        </li>
<li class="listitem">
          New spherical intersection strategy used in relational and set operati