Bug 108017 [Markers] Disabling a marker type disables the whole filter
20050825 When you disable a marker type it disables the whole dialog.
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/views/markers/internal/DialogMarkerFilter.java
superTypes += "; "; 
                    }
                }
                return superTypes;
            }
            return ""; 
        }
    }
    /**
     * Creates and manages a group of widgets for selecting a working 
     * set marker filter.
     */
    private class WorkingSetGroup {
        private Button button;
        private Button selectButton;
        /**
         * Creates the working set filter selection widgets.
         * 
         * @param parent the parent composite of the working set widgets
         */
        WorkingSetGroup(Composite parent) {
            
            button = createRadioButton(parent, MarkerMessages
                    .filtersDialog_noWorkingSet);
            GridData data = new GridData(GridData.FILL_HORIZONTAL);
            button.setLayoutData(data);
            Composite composite = new Composite(parent, SWT.NONE);
            composite.setFont(parent.getFont());
            GridLayout layout = new GridLayout();
            Button radio = new Button(parent, SWT.RADIO);