Bug 66375 [Dialogs] TaskPropertiesDialog and DialogMarkerProperties need a common superclass
RC1 Despite these two classes being pretty much identical they share almost no code. TaskPropertiesDialog should be a subclass a DialogMarkerProperties. As this is an API change post 3.0
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/views/tasklist/TaskPropertiesDialog.java
* The initial attributes to use when creating a new task.
     */
    private Map initialAttributes = null;
    /**
     * The text control for the Description field.
     */
    private Text descriptionText;
    /**
     * The control for the Creation Time field.
     */
    private Label creationTime;
    /**
     * The combo box control for the Priority field.
     */
    private Combo priorityCombo;
    /**
     * The checkbox button for the Completed field.
     */
    private Button completedCheckbox;
    /**
     * The control for the Severity field.
     */
    private Label severityLabel;
    /**
     * The text control for the Resource field.
     */
    private Text resourceText;
    /**
     * The text control for the Folder field.
     */