+<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
+coloured by the unique colors. TUI Commands :
+<em>go.SetAutoColor(enable)</em>, <em>enabled = go.GetAutoColor()</em></li>