anchor.diff:  
       h1.appendChild(controlBox)
   
  -    var renameControl = createRenameControl('study', studyId)
  +    var renameControl = createRenameControl('study', studyId, "Set study identifier")
       SC.inPlaceEdit("study-name", renameControl.href, {
           externalControl: renameControl,
           clickToEditText: "Click to rename"
  
positive.code:     var addStudySegmentControl = createAddControl("Add study segment", 'epoch', epochId)
      SC.asyncLink(addStudySegmentControl, {}, "epochs-indicator")
  
      var renameControl = createRenameControl('epoch', epochId)
      SC.inPlaceEdit(epochName, renameControl.href, {
          externalControl: renameControl,
          clickToEditText: "Click to rename"
  
negative.code:     var controlBox = Builder.node("div", {className: 'studySegment-controls controls'});
      studySegmentItem.appendChild(controlBox)
  
      var renameControl = createRenameControl('study segment', studySegmentId, null)
      SC.inPlaceEdit(studySegmentA, renameControl.href, {
          externalControl: renameControl,
          externalControlOnly: true,
  