Fixes after Guillaume's review

Polygon_repair/doc/Polygon_repair/PackageDescription.txt

@@ -7,14 +7,15 @@
 
 /*!
 \addtogroup PkgPolygonRepairRef
-\todo check generated documentation
 
 \cgalPkgDescriptionBegin{2D Polygon Repair,PkgPolygonRepair}
 \cgalPkgPicture{Polygon_repair-small.png}
 
 \cgalPkgSummaryBegin
 \cgalPkgAuthors{Ken Arroyo Ohori}
-\cgalPkgDesc{The package provides algorithms to repair 2D (multi)polygons. }
+\cgalPkgDesc{This package provides algorithms to repair 2D polygons, polygons with holes,
+and multipolygons with holes, by selecting faces of the arrangement of the input based on a selection rule.
+Currently, only the even-odd rule is provided. }
 \cgalPkgManuals{Chapter_2D_Polygon_repair,PkgPolygonRepairRef}
 \cgalPkgSummaryEnd
 

Polygon_repair/include/CGAL/Polygon_repair/Even_odd_rule.h

@@ -17,7 +17,7 @@
 namespace CGAL {
 
 namespace Polygon_repair {
-
+/// @{
   /*!
   \addtogroup PkgPolygonRepairRef
 
@@ -25,6 +25,8 @@ namespace Polygon_repair {
   */
   struct Even_odd_rule {};
 
+///@}
+
 } // namespace Polygon_repair
 
 } // namespace CGAL