0 400 400   module FormatSpecifiersTest
 1 400 400   
 0 400 400   let x = List.fold (*) 24.5 [ 1.; 2.; 3. ]
 1 400 400   
 0 400 400   // expect "147.00"
 0 400 400   printfn "Speed: %.2f m/s" x
 0 400 400   printfn $"Speed: %.2f{x} m/s"
 0 400 400   printfn $"Speed: {x:f2} m/s"
 1 400 400   
 0 400 400   // expect " 147%"
 0 400 400   printfn """%% increase:% .0F%% over last year""" x
 0 400 400   printfn $"""%% increase:% .0F{x}%% over last year"""
 0 400 400   printfn $"""%% increase:{x / 100.,5:P0} over last year"""
 1 400 400   
 2 400 401 + // expect "1.5E+002"
 0 401 400 | // NB: units should look like text even without a space
 0 400 400   printfn @"Time: %-0.1Esecs" x
 0 400 400   printfn $"Time: %-0.1E{x}secs"
 0 400 400   printfn $"Time: {x:E1}secs"
 1 400 400   
 0 400 400   // expect "\"         +147\""
 0 400 400   printfn @"""Temp: %+12.3g K""" x
 0 400 400   printfn $"""{'"'}Temp: %+12.3g{x} K{'"'}"""
 0 400 400   printfn $"""{'"'}Temp: {'+',9}{x:g3} K{'"'}"""
 1 400 400   
 0 400 400   // Since F# 6.0
 0 400 400   printfn @"%B" 0b1_000_000
 0 400 400   printfn "%B" "\x40"B.[0]
 0 400 400   printfn $"""%B{'\064'B}"""
 1 400 400   
 0 400 400   // These don't work
 0 400 400   printfn ``%.2f`` x
 0 400 400   printfn $"%.2f" x
 0 400 400   printfn $"%.2f {x}"
 0 400 400   printfn $"""%.2f {x}"""
 1 400 400