import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
+import static org.apache.poi.xssf.usermodel.XSSFRelation.NS_SPREADSHEETML;
+
/**
* Table style names defined in the OOXML spec.
* The actual styling is defined in presetTableStyles.xml
dxfsNode.insertBefore(dxfsNode.getOwnerDocument().createElement("dxf"), dxfsNode.getFirstChild());
return "<?xml version=\"1.0\" encoding=\"UTF-8\" standalone=\"yes\"?>\n" +
- "<styleSheet xmlns=\"http://schemas.openxmlformats.org/spreadsheetml/2006/main\" " +
+ "<styleSheet xmlns=\"" + NS_SPREADSHEETML + "\" " +
"xmlns:mc=\"http://schemas.openxmlformats.org/markup-compatibility/2006\" " +
"xmlns:x14ac=\"http://schemas.microsoft.com/office/spreadsheetml/2009/9/ac\" " +
"xmlns:x16r2=\"http://schemas.microsoft.com/office/spreadsheetml/2015/02/main\" " +