Hi Pedro,
 
syb: Scrap Your Boilerplate!
================================================================================

It
is supported in the GHC >= 6.0 implementation of Haskell.
 
Requirements
------------

* GHC 6.10.1 or later

These two statements seem a bit contradictory. Perhaps for the first one, you can say that "it has been around since GHC 6.0" if that is true. Or you could eliminate the first statement altogether.

Regards,
Sean