called when 'New...' is clicked(eventlistener) or enter is pressed while 'New...' is highlighted
function createNew (e) {
      outline.UserInput.clearMenu()
      var selectedTd = outline.getSelection()[0]
      var targetdoc = selectedTd.parentNode.AJAR_statement.why
      var newTerm = kb.nextSymbol(targetdoc)
      outline.UserInput.fillInRequest('object', selectedTd, newTerm)
        // selection is changed
      outline.outlineExpand(outline.getSelection()[0], newTerm)
    }