do not document internal namespace

Surface_mesh_segmentation/include/CGAL/internal/Surface_mesh_segmentation/Alpha_expansion_graph_cut.h

@@ -31,6 +31,7 @@
 
 namespace CGAL
 {
+/// @cond CGAL_DOCUMENT_INTERNAL
 namespace internal
 {
 
@@ -483,5 +484,6 @@ public:
 };
 #endif //CGAL_USE_BOYKOV_KOLMOGOROV_MAXFLOW_SOFTWARE
 }//namespace internal
+/// @endcond
 }//namespace CGAL
 #endif //CGAL_SURFACE_MESH_SEGMENTATION_ALPHA_EXPANSION_GRAPH_CUT_H

Surface_mesh_segmentation/include/CGAL/internal/Surface_mesh_segmentation/Disk_samplers.h

@@ -11,6 +11,7 @@
 
 namespace CGAL
 {
+/// @cond CGAL_DOCUMENT_INTERNAL
 namespace internal
 {
 
@@ -245,6 +246,7 @@ public:
 };
 
 }//namespace internal
+/// @endcond
 }//namespace CGAL
 #undef CGAL_ANGLE_ST_DEV_DIVIDER
 #endif //CGAL_SURFACE_MESH_SEGMENTATION_DISK_SAMPLERS_H

Surface_mesh_segmentation/include/CGAL/internal/Surface_mesh_segmentation/Expectation_maximization.h

@@ -17,6 +17,7 @@
 
 namespace CGAL
 {
+/// @cond CGAL_DOCUMENT_INTERNAL
 namespace internal
 {
 
@@ -453,6 +454,7 @@ private:
   }
 };
 }//namespace internal
+/// @endcond
 }//namespace CGAL
 #undef CGAL_DEFAULT_SEED
 #undef CGAL_DEFAULT_MAXIMUM_ITERATION

Surface_mesh_segmentation/include/CGAL/internal/Surface_mesh_segmentation/Filters.h

@@ -14,6 +14,7 @@
 
 namespace CGAL
 {
+/// @cond CGAL_DOCUMENT_INTERNAL
 namespace internal
 {
 
@@ -254,5 +255,6 @@ public:
   }
 };
 }//namespace internal
+/// @endcond
 }//namespace CGAL
 #endif //CGAL_SURFACE_MESH_SEGMENTATION_FILTERS_H

Surface_mesh_segmentation/include/CGAL/internal/Surface_mesh_segmentation/K_means_clustering.h

@@ -12,6 +12,7 @@
 
 namespace CGAL
 {
+/// @cond CGAL_DOCUMENT_INTERNAL
 namespace internal
 {
 
@@ -291,6 +292,7 @@ private:
   }
 };
 }//namespace internal
+/// @endcond
 }//namespace CGAL
 #undef CGAL_DEFAULT_SEED
 #undef CGAL_DEFAULT_MAXIMUM_ITERATION

Surface_mesh_segmentation/include/CGAL/internal/Surface_mesh_segmentation/SDF_calculation.h

@@ -17,6 +17,7 @@
 
 namespace CGAL
 {
+/// @cond CGAL_DOCUMENT_INTERNAL
 namespace internal
 {
 
@@ -475,6 +476,7 @@ private:
   }
 };
 }//namespace internal
+/// @endcond
 }//namespace CGAL
 #undef CGAL_ST_DEV_MULTIPLIER
 #undef CGAL_ACCEPTANCE_RATE_THRESHOLD

Surface_mesh_segmentation/include/CGAL/internal/Surface_mesh_segmentation/Surface_mesh_segmentation.h

@@ -22,6 +22,7 @@
 
 namespace CGAL
 {
+/// @cond CGAL_DOCUMENT_INTERNAL
 namespace internal
 {
 /**
@@ -463,6 +464,7 @@ private:
 
 };
 }//namespace internal
+/// @endcond
 } //namespace CGAL
 
 #undef CGAL_NORMALIZATION_ALPHA