Bug 203974 [Markers] [Markers] markers view: Twistis on configure filter dialog not correctly laid out
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/internal/provisional/views/markers/FiltersConfigurationDialog.java
* @see org.eclipse.ui.forms.events.IExpansionListener#expansionStateChanging(org.eclipse.ui.forms.events.ExpansionEvent)
			 */
			public void expansionStateChanging(ExpansionEvent e) {
			}
		});
		Composite sectionClient = toolkit.createComposite(expandable);
		sectionClient.setLayout(new GridLayout());
		sectionClient
				.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
		sectionClient.setBackground(form.getBackground());
		area.createContents(sectionClient);
		expandable.setClient(sectionClient);
		expandable.setExpanded(expand);
	}
	/**
	 * Create the area for selecting the filters and enabling/disabling them.
	 * 
	 * @param top
	 */
	private void createFilterSelectionArea(Composite top) {
		Composite filtersComposite = new Composite(top, SWT.NONE);
		filtersComposite.setLayout(new GridLayout(2, false));
		filtersComposite.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true,
				true));
		Label title = new Label(filtersComposite, SWT.NONE);
		title.setText(MarkerMessages.filtersDialog_title);
		GridData titleData = new GridData();
		titleData.horizontalSpan = 2;
		title.setLayoutData(titleData);
		filtersList = CheckboxTableViewer.newCheckList(filtersComposite,