code: public boolean isAbsolute(LocPathIterator path)
    {
    	int analysis = path.getAnalysisBits();
      boolean isAbs = (WalkerFactory.isSet(analysis, WalkerFactory.BIT_ROOT) || 
             WalkerFactory.isSet(analysis, WalkerFactory.BIT_ANY_DESCENDANT_FROM_ROOT));
      if(isAbs)
      {
      	isAbs = m_absPathChecker.checkAbsolute(path);
      }
      return isAbs;
    }
docs: Tell if the given LocPathIterator is relative to an absolute path, i.e.
  in not dependent on the context.
  
  @return true if the LocPathIterator is not dependent on the context node.