docs: public void updateStyleElement() {
      // TODO: this should be sufficient - why does Batik occasionally not pick up
      // the changes unless we actually replace the style element itself?
      // cssman.updateStyleElement(document, style);
      Element newstyle = cssman.makeStyleElement(document);
      style.getParentNode().replaceChild(newstyle, style);
      style = newstyle;
    }