Fix/Add link

Point_set_processing_3/doc_tex/Point_set_processing_3/analysis.tex

@@ -10,5 +10,5 @@ The following example reads a point set in the \ccc{xyz} format and computes the
 Note that other functions such as centroid or bounding volumes are found in other \cgal\ components: \\
 \ccc{CGAL::centroid}  \\
 \ccc{CGAL::bounding_box}  \\
-\ccc{CGAL::bounding_sphere}  \\
+\ccc{Min_sphere_of_spheres_d<Traits>}  \\
 

Point_set_processing_3/doc_tex/Point_set_processing_3/io.tex

@@ -6,7 +6,7 @@
 The algorithms of this component take as input parameters iterator ranges of 3D points, or of 3D points with normals. The property maps are used to access the point or normal information from the input data, so as to let the user decide upon the implementation of a point with normal. The latter can be represented as, e.g., a class derived from the \cgal\ 3D point, or as a
 \ccc{std::pair<Point_3<K>, Vector_3<K> >}, or as a \ccc{boost::tuple<..,Point_3<K>, ..., Vector_3<K> >}.\\
 \\
-An another component provides property maps to support these cases:  \\
+The following classes described in Chapter \ref {chapter-Property_map} provide property maps for the implementations of points with normals listed above:  \\
 \ccc{CGAL::Dereference_property_map<T>}  \\
 \ccc{CGAL::First_of_pair_property_map<Pair>} and \ccc{CGAL::Second_of_pair_property_map<Pair>}  \\
 \ccc{CGAL::Nth_of_tuple_property_map<N, Tuple>}  \\
@@ -29,4 +29,4 @@ We provide functions to read and write sets of points or sets of points with nor
 \subsection{Example}
 
 The following example reads a point set from an input file and writes it to a file, both in the XYZ format. Positions and normals are stored in pairs and accessed through property maps.
-\ccIncludeExampleCode{Point_set_processing_3/read_write_xyz_point_set_example.cpp}
+\ccIncludeExampleCode{Point_set_processing_3/read_write_xyz_point_set_example.cpp}