message: dummy commit of revert
diff: @@ -360,7 +360,7 @@ namespace
  std::pair< index_t, bool > default_pair( index_t( -1 ), false );
  sorted_polygons_.resize( 2 * polygons_.size(), default_pair );
  - // If there is only one Polygon to sort - nothing to do
  + // If there is only one Polygon to sort, nothing to do
  if( polygons_.size() == 1 )
  {
  sorted_polygons_[0] = std::pair< index_t, bool >(
  