Bug 275477 [Markers] TasksView: Scope settings selects two (!) radio buttons
Found with 3.5 M7. To reproduce: 1. Open Tasks View 2. View Menu > Configure Contents... 3. Scope section click on 'Select' 4. 'No working sets' 5. Ok Result: two radio buttons are selected: 'On selected element and its children' and 'On working set'. Expected: 'On working set' should be selected. Screencast at URL shows example.
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/internal/views/markers/ScopeArea.java
* 
		 * @return true=a working set filter should be used false=a working set
		 *         filter should not be used
		 */
		boolean getSelection() {
			return button.getSelection();
		}
		/**
		 * Returns the selected working set filter or null if none is selected.
		 * 
		 * @return the selected working set filter or null if none is selected.
		 */
		IWorkingSet getWorkingSet() {
			return (IWorkingSet) button.getData();
		}
		/**
		 * Sets the working set filter selection.
		 * 
		 * @param selected
		 *            true=a working set filter should be used false=no working
		 *            set filter should be used
		 */
		void setSelection(boolean selected) {
			button.setSelection(selected);
		}
		/**
		 * Sets the specified working set.
		 * 
		 * @param workingSet
		 *            the working set