comparison data/model/Model.h @ 314:70a232b1f12a

* Make XmlExportable::toXml the function that is universally overridden (and
  pure virtual) instead of toXmlString.  Tidies up some classes, notably the
  model classes, significantly.  Closes #1794561.

 
     virtual void toXml(QTextStream &stream,
                        QString indent = "",
                        QString extraAttributes = "") const;
 
-    virtual QString toXmlString(QString indent = "",
-				QString extraAttributes = "") const;
-
     virtual QString toDelimitedDataString(QString) const { return ""; }
 
 signals:
     /**
      * Emitted when a model has been edited (or more data retrieved