 this TextBlock when deleting Nodes/Links
                )
                  .bind('text', 'parent', (v) => 'Boss: ' + v),
                new go.TextBlock(
                  textStyle(
                    {
                      row: 3,
                      column: 0,
                      columnSpan: 5,
                      font: 'italic 9pt sans-serif',
                      wrap: go.Wrap.Fit,
                      editable: true, // by default newlines are allowed
                      minSize: new g