<li>\subpage modifying_meshes_page "modifying meshes" with a vast
array of dedicated operations;</li>
<li>\subpage grouping_elements_page "creating groups of mesh elements";</li>
<li>\subpage modifying_meshes_page "modifying meshes" with a vast
array of dedicated operations;</li>
<li>\subpage grouping_elements_page "creating groups of mesh elements";</li>