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
/*
		 * gradient in the default tab: start colour WIDGET_NORMAL_SHADOW 100% +
		 * white 20% + INFO_BACKGROUND 60% end colour WIDGET_NORMAL_SHADOW 100% +
		 * INFO_BACKGROUND 40%
		 */
		defaultGradientStart = factory.getColors().createColor(
				"TabbedPropertyList.defaultTabGradientStart", 
				FormColors.blend(infoBackground, FormColors.blend(white,
						widgetNormalShadow.getRGB(), 20), 60));
		defaultGradientEnd = factory.getColors().createColor(
				"TabbedPropertyList.defaultTabGradientEnd", 
				FormColors.blend(infoBackground, widgetNormalShadow.getRGB(),
						40));
		navigationElementShadowStroke = factory.getColors().createColor(
				"TabbedPropertyList.shadowStroke", 
				FormColors.blend(white, widgetNormalShadow.getRGB(), 55));
		bottomNavigationElementShadowStroke1 = factory.getColors().createColor(
				"TabbedPropertyList.tabShadowStroke1", 
				FormColors.blend(black, widgetBackground.getRGB(), 10));
		bottomNavigationElementShadowStroke2 = factory.getColors().createColor(
				"TabbedPropertyList.tabShadowStroke2", 
				FormColors.blend(black, widgetBackground.getRGB(), 5));
		/*
		 * gradient in the hover tab: start colour WIDGET_BACKGROUND 100% +
		 * white 20% end colour WIDGET_BACKGROUND 100% + WIDGET_NORMAL_SHADOW
		 * 10%
		 */
		hoverGradientStart = factory.getColors().createColor(
				"TabbedPropertyList.hoverBackgroundGradientStart", 
				FormColors.blend(white, widgetBackground.getRGB(), 20));