Turn off traceback by default. Use xpcall with debug.traceback instead.

README.html

@@ -984,6 +984,7 @@ Files are no longer hosted at LuaForge.
 <li>Make string metatable a proper metatable, and make it read-only by default.</li>
 <li>Add sample code that illustrates techniques in creating sandboxed environments.</li>
 <li>Add convenience methods to Global to load string scripts with custom environment.</li>
+<li>Turn off default traceback.  Use xpcall() with debug.traceback instead.</li>
 
 </ul></td></tr>
 </table></td></tr></table>

src/core/org/luaj/vm2/LuaClosure.java

@@ -521,9 +521,7 @@ public class LuaClosure extends LuaFunction {
 		if (globals == null ) return msg;
 		final LuaThread r = globals.running;
 		if (r.errorfunc == null)
-			return globals.debuglib != null?
-				msg + "\n" + globals.debuglib.traceback(level):
-				msg;
+			return msg;
 		final LuaValue e = r.errorfunc;
 		r.errorfunc = null;
 		try {