Bug 72992 Projects View no longer properly handles opened/closed projects
The Projects View (Java Browsing) no longer stops displaying closed projects, nor does it display newly opened projects. Eclipse I20040831 (but been around since I20040817?) Linux, GTK2.
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/browsing/JavaBrowsingContentProvider.java
if (pkgRoot.equals(inputsParent))
				postRefresh(null);
		}
		
		if (element instanceof IPackageFragmentRoot && (((flags & IJavaElementDelta.F_SOURCEATTACHED) != 0 || ((flags & IJavaElementDelta.F_SOURCEDETACHED)) != 0)))
			postUpdateIcon(element);
		
		IJavaElementDelta[] affectedChildren= delta.getAffectedChildren();
		if (affectedChildren.length > 1) {
			
			if (element instanceof IPackageFragment) {
				IJavaElement parent= (IJavaElement)internalGetParent(element);
				
				if (element.equals(fInput)) {
					postRefresh(element);
				} else {
					postRefresh(parent);
				}
			}
			
			if (element instanceof IPackageFragmentRoot && isElementValidForView) {
				postRefresh(skipProjectPackageFragmentRoot((IPackageFragmentRoot)element));
				return;
			}
		}
		for (int i= 0; i < affectedChildren.length; i++) {
			processDelta(affectedChildren[i]);
		}
	}
	private boolean isOnClassPath(ICompilationUnit element) throws JavaModelException {