+## @defgroup l1_auxiliary Auxiliary methods and structures
+## @defgroup l1_creating Creating meshes
+## @{
+## @defgroup l2_impexp Importing and exporting meshes
+## @defgroup l2_construct Constructing meshes
+## @defgroup l2_algorithms Defining Algorithms
+## @{
+## @defgroup l3_algos_basic Basic meshing algorithms
+## @defgroup l3_algos_proj Projection Algorithms
+## @defgroup l3_algos_radialp Radial Prism
+## @defgroup l3_algos_segmarv Segments around Vertex
+## @defgroup l3_algos_3dextr 3D extrusion meshing algorithm
+
+## @}
+## @defgroup l2_hypotheses Defining hypotheses
+## @{
+## @defgroup l3_hypos_1dhyps 1D Meshing Hypotheses
+## @defgroup l3_hypos_2dhyps 2D Meshing Hypotheses
+## @defgroup l3_hypos_maxvol Max Element Volume hypothesis
+## @defgroup l3_hypos_netgen Netgen 2D and 3D hypotheses
+## @defgroup l3_hypos_ghs3dh GHS3D Parameters hypothesis
+## @defgroup l3_hypos_blsurf BLSURF Parameters hypothesis
+## @defgroup l3_hypos_hexotic Hexotic Parameters hypothesis
+## @defgroup l3_hypos_additi Additional Hypotheses
+
+## @}
+## @defgroup l2_submeshes Constructing submeshes
+## @defgroup l2_compounds Building Compounds
+## @defgroup l2_editing Editing Meshes
+
+## @}
+## @defgroup l1_meshinfo Mesh Information
+## @defgroup l1_controls Quality controls and Filtering
+## @defgroup l1_grouping Grouping elements
+## @{
+## @defgroup l2_grps_create Creating groups
+## @defgroup l2_grps_edit Editing groups
+## @defgroup l2_grps_operon Using operations on groups
+## @defgroup l2_grps_delete Deleting Groups
+
+## @}
+## @defgroup l1_modifying Modifying meshes
+## @{
+## @defgroup l2_modif_add Adding nodes and elements
+## @defgroup l2_modif_del Removing nodes and elements
+## @defgroup l2_modif_edit Modifying nodes and elements
+## @defgroup l2_modif_renumber Renumbering nodes and elements
+## @defgroup l2_modif_trsf Transforming meshes (Translation, Rotation, Symmetry, Sewing, Merging)
+## @defgroup l2_modif_movenode Moving nodes
+## @defgroup l2_modif_throughp Mesh through point
+## @defgroup l2_modif_invdiag Diagonal inversion of elements
+## @defgroup l2_modif_unitetri Uniting triangles
+## @defgroup l2_modif_changori Changing orientation of elements
+## @defgroup l2_modif_cutquadr Cutting quadrangles
+## @defgroup l2_modif_smooth Smoothing
+## @defgroup l2_modif_extrurev Extrusion and Revolution
+## @defgroup l2_modif_patterns Pattern mapping
+## @defgroup l2_modif_tofromqu Convert to/from Quadratic Mesh
+
+## @}