rem: return function(elem){ var ea = " "+(elem.getAttribute(attr, 2) || ""); return ( (ea == value) || (ea.indexOf(valueDash)==0) ); } 
add: function(elem){ return (elem.nodeType == 1); } 
context: 				return function(elem){					var ea = " "+(elem.getAttribute(attr, 2) || "");					return (						(ea == value) ||						(ea.indexOf(valueDash)==0)					);				}
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