code: function() {
      this.constructor.call(this, SVG.create('text'))
  
      this.dom.leading = new SVG.Number(1.3)    // store leading value for rebuilding
      this._rebuild = true                      // enable automatic updating of dy values
      this._build   = false                     // disable build mode for adding multiple lines
  
      // set default font
      this.attr('font-family', SVG.defaults.attrs['font-family'])
    }
docs: Initialize node