Bug 6718 Error ticks on non-Java resources
This is a VAME request. They would like to show error ticks on manifest files.
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/viewsupport/ProblemItemMapper.java
private HashMap fPathToItem;
	public ProblemItemMapper() {
		fPathToItem= new HashMap();
	}
	/**
	 * Updates the icons of all mapped elements containing to the changed elements.
	 * Must be called from the UI thread.
	 */
	public void problemsChanged(Collection changedPaths, ILabelProvider lprovider) {
		
		if (changedPaths.size() <= fPathToItem.size()) {
			iterateChanges(changedPaths, lprovider);
		} else {
			iterateItems(changedPaths, lprovider);
		}
	}
	
	private void iterateChanges(Collection changedPaths, ILabelProvider lprovider) {