fixed an npe

git-svn-id: https://svn.apache.org/repos/asf/xmlgraphics/fop/trunk@194496 13f79535-47bb-0310-9956-ffa450edef68

src/org/apache/fop/fo/FObj.java

@@ -149,7 +149,7 @@ public class FObj extends FONode {
      * reference areas and use the value of its writing-mode property.
      * If no such ancestor is found, use the value on the root FO.
      */
-    private void setWritingMode() {
+    protected void setWritingMode() {
         FObj p;
         FObj parent;
         for (p = this;

src/org/apache/fop/fo/UnknownXMLObj.java

@@ -62,7 +62,11 @@ public class UnknownXMLObj extends XMLObj {
     protected UnknownXMLObj(FObj parent, PropertyList propertyList, String space, String tag) {
         super(parent, propertyList, tag);
         this.namespace = space;
-        this.name = this.namespace + ":" + tag;
+				if(!"".equals(space)) {
+            this.name = this.namespace + ":" + tag;
+        } else {
+            this.name = "(none):" + tag;
+        }
     }
 
     public String getNameSpace() {

src/org/apache/fop/fo/XMLObj.java

@@ -168,5 +168,6 @@ public abstract class XMLObj extends FObj {
 
     public void rollback(Vector snapshot) {}
 
+    protected void setWritingMode() {}
 }