+ /**
+ * Provides backward compatibility with .directory files created with
+ * Dolphin < 2.0: Converts the old additionalInfo-property into
+ * the visibleRoles-property and clears the additionalInfo-property.
+ */
+ void convertAdditionalInfo();
+
+ /**
+ * Provides backward compatibility with .directory files created with
+ * Dolphin < 2.1: Converts the old name-role "name" to the generic
+ * role "text".
+ */
+ void convertNameRoleToTextRole();
+