add: if (e.passage) e.passage.assessment = null; else (e.parentNode.cAssessment = null); 
context: XRai.removeAssessment = function(e) {   if (typeof e.saved != "undefined") {      if (e.value == e.saved) XRai.changeCount++;      XRai.assessmentsToRemove.push(e);   } else {      XRai.changeCount--;   }   var a = e.getAttribute("a");   if (a == "0") XRai.removeElementFromArray(XRai.toAssess,e);   if (a > 0)      if (e.passage) XRai.upwardUpdate(e.passage.getLCA(), a, 0, false, false);      else XRai.upwardUpdate(e.parentNode, a, 0, false, true);   e.parentNode.removeChild(e);}
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