Bug 19014 Empty CU after reorg
F2 - enable single click and show in members in packages view - open TestCase.java in editor - give focus to packages view - change it on disk - copy a method in TestCase using DnD - activate the TestCase.java editor - answer question with no - activate revert from context menu observe: CU is empty
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/javaeditor/CompilationUnitDocumentProvider.java
/*
			 * @see IDocument#getChar(int)
			 */
			synchronized public char getChar(int offset) throws BadLocationException {
				return super.getChar(offset);
			}
			
			/*
			 * @see IDocument#replace(int, int, String)
			 */
			synchronized public void replace(int offset, int length, String text) throws BadLocationException {
				super.replace(offset, length, text);
			}
			
			/*
			 * @see IDocument#set(String)
			 */
			synchronized public void set(String text) {
				super.set(text);
			}
		};
		
		
		
	
	public final static String HANDLE_TEMPORARY_PROBLEMS= "handleTemporaryProblems"; 
	
	
	
	private IBufferFactory fBufferFactory= new BufferFactory();