Bug 53299 Synchronizing 5 projects is locking too much
Build 20040219 While synchronizing 5 projects, I started editing one file in project no.1, while no.3 was being synchronized (1 was long done). I still got locked on validate edit, though the project 1 should have been released from the sync rsc lock. (I did check that no other competing job was getting in the way)
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/javaeditor/filebuffers/CompilationUnitDocumentProvider2.java
}
			
			/*
			 * @see IJavaAnnotation#hasOverlay()
			 */
			public boolean hasOverlay() {
				return false;
			}
			
			/*
			 * @see org.eclipse.jdt.internal.ui.javaeditor.IJavaAnnotation#getOverlay()
			 */
			public IJavaAnnotation getOverlay() {
				return null;
			}
			
			/*
			 * @see IJavaAnnotation#addOverlaid(IJavaAnnotation)
			 */
			public void addOverlaid(IJavaAnnotation annotation) {
				if (fOverlaids == null)
					fOverlaids= new ArrayList(1);
				fOverlaids.add(annotation);
			}
		
			/*
			 * @see IJavaAnnotation#removeOverlaid(IJavaAnnotation)
			 */
			public void removeOverlaid(IJavaAnnotation annotation) {
				if (fOverlaids != null) {