diff -ru nted-1.6.0/mainwindow.cpp nted-1.6.0-p1/mainwindow.cpp
--- nted-1.6.0/mainwindow.cpp	2009-06-29 11:02:58.000000000 +0200
+++ nted-1.6.0-p1/mainwindow.cpp	2009-07-02 14:57:38.000000000 +0200
@@ -4749,7 +4749,7 @@
 		}
 	}
 	if (NedResource::m_error_message == NULL) {
-		if (!NedResource::readInt(fp, &num) || num > 9 || num < 0) {
+		if (!NedResource::readInt(fp, &num) || num > 20 || num < 0) {
 			NedResource::m_error_message = "NUMERATOR value expected";
 		}
 	}