Bug 72930 [Viewers] TableViewer.reveal() documentation
The documentation for TableViewer.reveal() does not say that it requires a tableItem and silently ignores all other objects.
bundles/org.eclipse.jface/src/org/eclipse/jface/viewers/TableViewer.java
* @param element
	 *            the element to add
	 */
	public void add(Object element) {
		add(new Object[] { element });
	}
	/**
	 * Cancels a currently active cell editor. All changes already done in the
	 * cell editor are lost.
	 */
	public void cancelEditing() {
		tableViewerImpl.cancelEditing();
	}
	/*
	 * (non-Javadoc) Method declared on StructuredViewer.
	 */
	protected Widget doFindInputItem(Object element) {
		if (equals(element, getRoot()))
			return getTable();
		return null;
	}
	/*
	 * (non-Javadoc) Method declared on StructuredViewer.
	 */
	protected Widget doFindItem(Object element) {
		TableItem[] children = table.getItems();
		for (int i = 0; i < children.length; i++) {
			TableItem item = children[i];
			Object data = item.getData();
			if (data != null && equals(data, element))