viewer and from the Object Browser.</li>
<li>\subpage display_mode_page "Display Mode" - allows to select between
Wireframe and Shading presentation.</li>
+<li>\subpage bring_to_front_page "Bring To Front" - allows to bring to
+front of the viewer the selected geometrical object.</li>
+<li><b>Clear Top Level State</b> - allows to remove from the viewer foreground
+geometrical objects that have been placed there via <b>Bring To Front</b> command.</li>
<li>\subpage color_page "Color" - allows to change the filling color in
the standard <b>Select Color</b> menu.</li>
<li>\subpage transparency_page "Transparency" - allows to change the
isolines displayed within a shape.</li>
<li>\subpage deflection_page "Deflection" - allows to change the
deflection coefficient of a shape.</li>
+<li>\subpage material_page "Material" - allows to change the
+material properties of a shape.</li>
<li>\subpage point_marker_page "Point Marker" - allows to change the
representation of geometrical vertices.</li>
+<li>\subpage line_width_page "Line Width" - allows to change the
+width of edges and isolines.</li>
<li><b>Auto color</b> / <b>Disable auto color</b> - activates the auto color
mode. When the auto color mode is enabled, the groups created on the
sub-shapes of the selected geometrical object are automatically
\image html ob_popup_menu.png <br>
<ul>
-<li>\subpage work_with_groups_page "Create Group" - allows creating groups of geometrical objects.</li>
+<li>\ref work_with_groups_page "Create Group" - allows creating groups of geometrical objects.</li>
<li><b>Hide Children</b> / <b>Show Children</b> - hides / shows child
sub-objects in the Object Browser, if the selected geometric object has
child objects. When some child objects are hidden, the name of the
