How do you get the hello world working?
I tried pasting ,--('\< into the code and if it walks like a lamb and quacks like a duck into the stdin field.
``\\1`.'h``\\1`.'e``\\1`.'l``\\1`.'l``\\1`.'o``\\1`.' ``\\1`.'w``\\1`.'o``\\1`.'r``\\1`.'l``\\1`.'d`.'!
++++++++[>++++[>++>+++>+++>+<<<<-]>+>+>->>+[<]<-]>>.>---.+++++++..+++.>>.<-.<.+++.------.--------.>>+.>++.