--- E:\src\extern\nant\src\NAnt.Core\Types\a\FileSet.cs	Sun Dec 28 16:44:58 2003
+++ E:\src\extern\nant\src\NAnt.Core\Types\FileSet.cs	Wed Jan 07 14:36:44 2004
@@ -454,6 +469,15 @@
             _hasScanned = false;
         }
 
+        public override void MergeWith(DataTypeBase with) {
+			if(!(with is FileSet))
+                throw new BuildException(string.Format("Could not append {0} to FileSet.",with.GetType().Name), Location);
+			FileSet sec = (FileSet)with;
+			foreach(string fname in sec.FileNames) {
+				AsIs.Add(fname);
+			}				
+        }
+		
         #endregion Override implementation of DataTypeBase
 
         #region Public Instance Methods