*** empty log message ***

diff --git a/MText.cs b/MText.cs
index 3036d6b..defa5db 100644 (file)
--- a/MText.cs
+++ b/MText.cs
@@ -1342,7 +1342,7 @@ namespace M17N.Core
            Console.Write (")");
            if (newline)
              Console.WriteLine ();
-           if (Length <= 0)
+           if (Length <= 0 || Length != LeftLength + (To - From) + RightLength)
              throw new Exception ("Invalid interval length");
          }
       }