// widget_customhtml.ysl2
widget_class("CustomHtml"){
this.widget_size = this.container_elt.getBBox();
this.element.innerHTML ='<foreignObject x="'+
this.widget_size.x+'" y="'+this.widget_size.y+
'" width="'+this.widget_size.width+'" height="'+this.widget_size.height+'"> '+
this.code_elt.textContent+
widget_defs("CustomHtml") {
labels("container code");