--- a/reports/Builder__TestReportFormat.st	Tue Apr 17 20:45:32 2012 +0200
+++ b/reports/Builder__TestReportFormat.st	Fri May 04 19:55:55 2012 +0200
@@ -270,7 +270,7 @@
             nextPutAll:'" message="';
             nextPutAll:(self encode: message);
             nextPutAll:'"><!![CDATA['; cr;
-            nextPutAll:(stacktrace ? 'stacktrace not available');
+            nextPutAll:((stacktrace ? 'stacktrace not available') replaceAll: (Character codePoint:0) with: $?);
             nextPutAll:']]></'; nextPutAll: outcome; nextPutAll:'>';
             nextPut:Character lf
     ].