<li>Apply \subpage pattern_mapping_page "pattern mapping".</li>
<li>\subpage convert_to_from_quadratic_mesh_page "Convert regular mesh to quadratic",
or vice versa.</li>
+<li>Create \subpage double_nodes_page "double nodes".</li>
<li>\subpage make_2dmesh_from_3d_page "Create 2D mesh from 3D".</li>
</ul>
