Bug 61878 Package explorer is filtering out plugin dependencies [package explorer]
Build 20040506 When expanding the Plug-in Dependencies container, it is counter-intuitive to hide project dependencies. These are shown in the build path wizard itself, when you expand this container. I would expect to see them all the time.
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/packageview/PackageExplorerContentProvider.java
if (processResourceDeltas(delta.getResourceDeltas(), element))
			    return;
			IJavaElementDelta[] affectedChildren= delta.getAffectedChildren();			
			processAffectedChildren(affectedChildren);
			return;
		}
		
		if (elementType == IJavaElement.COMPILATION_UNIT) {
			ICompilationUnit cu= (ICompilationUnit) element;
			if (!JavaModelUtil.isPrimary(cu)) {
				return;
			}
						
			if (!getProvideWorkingCopy() && cu.isWorkingCopy()) {
				return;
			}
			
			if ((kind == IJavaElementDelta.CHANGED) && !isStructuralCUChange(flags)) {
				return; 
			}
			
			if (!isOnClassPath(cu)) { 
				return;
			}
			
		}
		
		if (elementType == IJavaElement.JAVA_PROJECT) {
			
			if ((flags & (IJavaElementDelta.F_CLOSED | IJavaElementDelta.F_OPENED)) != 0) {