Bug 239523 [TabbedProperties] Three JavaDoc warnings
I noticed there are three JavaDoc warnings in the org.eclipse.ui.views.properties.tabbed, there should be zero warnings and errors.
bundles/org.eclipse.ui.views.properties.tabbed/src/org/eclipse/ui/internal/views/properties/tabbed/view/TabbedPropertyList.java
Point point = e.gc.textExtent(tab.getText());
				e.gc.drawLine(textIndent, bounds.height - 4, textIndent
					+ point.x, bounds.height - 4);
			}
			
			if (!hover) {
				e.gc.setForeground(listBackground);
				e.gc.drawLine(0, bounds.height - 1, bounds.width - 2,
						bounds.height - 1);
			}
		}
		/**
		 * Get the tab item.
		 * 
		 * @return the tab item.
		 */
		public ITabItem getTabItem() {
			return tab;
		}
		public String toString() {
			return tab.getText();
		}
	}
	/**
	 * The top navigation element in the tabbed property list. It looks like a
	 * scroll button when scrolling is needed or is just a spacer when no
	 * scrolling is required.
	 */
	public class TopNavigationElement extends Canvas {