A simple test follows:

Hello, world!

Now test formats for each type:

42.00 50000.0 50,000 3.1416 3.14159 3.14159 14 Feb 2009, 10:31 AM 2009-02-14 10:31 2361-03-22 06:15 FM-Classic is a good template engine. FM-Classic rocks!! 2 + 42 = 44. 5 + 42 = 47.