docs: function mxPrintPreview(graph, scale, pageFormat, border, x0, y0, borderColor, title, pageSelector)
  {
  	this.graph = graph;
  	this.scale = (scale != null) ? scale : 1 / graph.pageScale;
  	this.border = (border != null) ? border : 0;
  	this.pageFormat = mxRectangle.fromRectangle((pageFormat != null) ? pageFormat : graph.pageFormat);
  	this.title = (title != null) ? title : 'Printer-friendly version';
  	this.x0 = (x0 != null) ? x0 : 0;
  	this.y0 = (y0 != null) ? y0 : 0;
  	this.borderColor = borderColor;
  	this.pageSelector = (pageSelector != null) ? pageSelector : true;
  }