GGU-UNDERPIN: System menu

• GGU-UNDERPIN: "Info" menu item
• GGU-UNDERPIN: "Special preferences" menu item
• GGU-UNDERPIN: "Depth subdivisions" menu item
• GGU-UNDERPIN: "Analyse" menu item
• GGU-UNDERPIN: Start dialog box
• GGU-UNDERPIN: "Type of toe pivot" group box
• GGU-UNDERPIN: "Special preferences" group box
• GGU-UNDERPIN: "Type of redistribution" group box
• GGU-UNDERPIN: "Graph positioning preferences" menu item
• GGU-UNDERPIN: "Graphics output preferences" menu item
• GGU-UNDERPIN: "Labelling preferences" menu item
• GGU-UNDERPIN: "Body pens + colours" menu item
• GGU-UNDERPIN: "Dimension lines" menu item
• GGU-UNDERPIN: "Display system" menu item
• GGU-UNDERPIN: "Display results" menu item