code: public void appendXMLToAutomaticStyle(final XMLUtil util,
  										  final Appendable appendable) throws IOException {
  		appendable.append("<style:page-layout");
  		util.appendEAttribute(appendable, "style:name", this.name);
  		appendable.append("><style:page-layout-properties");
  		util.appendAttribute(appendable, "fo:page-width", this.pageWidth.toString());
  		util.appendAttribute(appendable, "fo:page-height", this.pageHeight.toString());
  		util.appendEAttribute(appendable, "style:num-format", this.numFormat);
  		util.appendAttribute(appendable, "style:writing-mode",
  				this.writingMode.getAttrValue());
  		util.appendAttribute(appendable, "style:print-orientation",
  				this.printOrientation.getAttrValue());
  		this.appendBackgroundColor(util, appendable);
  		this.margins.appendXMLContent(util, appendable);
  		appendable.append("/>"); // End of page-layout-properties
  
  		PageSection
  				.appendPageSectionStyleXMLToAutomaticStyle(this.header, util, appendable);
  		PageSection
  				.appendPageSectionStyleXMLToAutomaticStyle(this.footer, util, appendable);
  		appendable.append("</style:page-layout>");
  	}
docs: Write the XML format for this object.<br>
  This is used while writing the ODS file.
  
  @param util       a util to write XML
  @param appendable where to write
  @throws IOException If an I/O error occurs