Bug 241208 [Markers] [Problems View] Restore Defaults is not working in the preferences
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/internal/views/markers/MarkerPreferencesDialog.java
createColumnsArea(dialogArea);
		applyDialogFont(dialogArea);
		return dialogArea;
	}
	/**
	 * Create an area for the selected columns
	 * 
	 * @param dialogArea
	 */
	private void createColumnsArea(Composite dialogArea) {
		initializeDialogUnits(dialogArea);
		Group columnsComposite = new Group(dialogArea, SWT.NONE);
		columnsComposite.setText(MarkerMessages.MarkerPreferences_ColumnGroupTitle);
		FormLayout layout = new FormLayout();
		columnsComposite.setLayout(layout);
		columnsComposite.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true,
				true));
		Label visibleItemsLabel = new Label(columnsComposite, SWT.NONE);
		visibleItemsLabel.setText(MarkerMessages.MarkerPreferences_VisibleColumnsTitle);
		FormData visibleLabelData = new FormData();
		visibleLabelData.right = new FormAttachment(45, 0);
		visibleLabelData.left = new FormAttachment(
				IDialogConstants.BUTTON_MARGIN);
		visibleLabelData.top = new FormAttachment(0);
		visibleItemsLabel.setLayoutData(visibleLabelData);
		int rightMargin = IDialogConstants.BUTTON_MARGIN * -1;
		Label nonVisibleLabel = new Label(columnsComposite, SWT.NONE);
		nonVisibleLabel.setText(MarkerMessages.MarkerPreferences_HiddenColumnsTitle);
		FormData nonVisibleLabelData = new FormData();
		nonVisibleLabelData.right = new FormAttachment(100);