Many thanks Sorin!
The new editor 10.3 works like a charm (we used 7.2 in class which was pretty good)!

Hello, That is possible in Text mode but only the old design of the XML Schema diagram is available in that mode. Just click on the Text tab at the bottom of the editing panel. By default an XML Schema is opened in Schema mode where the new design of the diagram is available. You can set the initia...