buff.append(" <li><em>Data size: </em>").append(Format.formatByteSize(ds.getDataSize())).append("</li>\n");
out.format(" <li><em>Data size: </em>%s</li>%n", Format.formatByteSize(ds.getDataSize()));
buff.append(" <li><em>Data size: </em>").append(Format.formatByteSize(ds.getDataSize())).append("</li>\n");
buff.append(" <li><em>Data size: </em>").append(Format.formatByteSize(ds.getDataSize())).append("</li>\n");