Description:

steps to reproduce:
1. create UML Java project
2. add package with scoped activity diagram
3. add package with scoped class diagram
4. add some elements to diagrams
5. close the project
6. burn the project to CD/DVD
7. open project from CD
8. open diagram
9. try to drag/resize element on diagram
nothing happens
10. try to rename element on diagram
element name on diagram remains, but name is changed in project tree and properties
11. try to delete element from project tree
element is deleted in tree but remains on diagram (it's impossible to delete
file in r-o java project)