DocBuffer.asnode: Convert null properly.

diff --git a/src/dolda/jsvc/next/DocBuffer.java b/src/dolda/jsvc/next/DocBuffer.java
index d885a0b..b936c0a 100644 (file)
--- a/src/dolda/jsvc/next/DocBuffer.java
+++ b/src/dolda/jsvc/next/DocBuffer.java
@@ -77,6 +77,8 @@ public class DocBuffer {
     }
     
     public Node asnode(Object o) {
+       if(o == null)
+           return(text(""));
        if(o instanceof Node) {
            Node n = (Node)o;
            if(n.getOwnerDocument() != doc)