[Haskell-cafe] doctest: Interpreter exited with an error: ExitFailure 127

[Simon Hengel]

Hi Chris,

> i have upgraded to doctest version 0.4.1.
> Now when i try to run the example from the webpage, i get:
> 
> doctest: Interpreter exited with an error: ExitFailure 127
> 
> What's wrong here and how can i fix it?

Can you still reproduce this on your system?  If yes, I'd like to see if
we can do something about it (if only improving the error message).

Cheers,
Simon