Make printfn and friends keep track of input format
Make printfn and friends keep track of input format

ncave/Fable,inosik/Fable,ncave/Fable,fable-compiler/Fable,fable-compiler/Fable,fable-compiler/Fable,ncave/Fable,fable-compiler/Fable,inosik/Fable,fable-compiler/Fable,ncave/Fable,ncave/Fable,fable-compiler/Fable,fable-compiler/Fable,ncave/Fable,ncave/Fable