Bug 121789 [Viewers] ColorAndFontCollector javadoc is wrong
Original: The ColorAndFontManager collects fonts and colors without a a color or font provider. Notice the reference to "ColorAndFontManager". It should probably be "ColorAndFontCollector" instead.
bundles/org.eclipse.jface/src/org/eclipse/jface/viewers/StructuredViewer.java
Object element = item.getData();
		Assert.isNotNull(element);
		
		unmapElement(element, item);
		item.setData(null);
	}
	/**
	 * Returns the widget in this viewer's control which represents the given
	 * element if it is the viewer's input.
	 * <p>
	 * This method is internal to the framework; subclassers should not call
	 * this method.
	 * </p>
	 * 
	 * @param element
	 * @return the corresponding widget, or <code>null</code> if none
	 */
	protected abstract Widget doFindInputItem(Object element);
	/**
	 * Returns the widget in this viewer's control which represent the given
	 * element. This method searches all the children of the input element.
	 * <p>
	 * This method is internal to the framework; subclassers should not call
	 * this method.
	 * </p>
	 * 
	 * @param element
	 * @return the corresponding widget, or <code>null</code> if none
	 */
	protected abstract Widget doFindItem(Object element);