8 Apr
                
                    2015
                
            
            
                8 Apr
                
                '15
                
            
            
            
        
    
                8:57 p.m.
            
        The :REQUIRE directive seems undocumented. Under what circumstances is it acceptable? thanks, r -- Robert P. Goldman Staff Scientist Smart Information Flow Technologies (d/b/a SIFT, LLC) 211 N. First St., Suite 300 Minneapolis, MN 55401 Voice: (612) 326-3934 Email: rpgoldman@SIFT.net