judah/haskeline — pull request #11 by hvr (2014-09-22 21:27:40+00:00)
Title: Use explicit forall syntax to avoid warning

This is currently just a warning in GHC HEAD, but ought to be fixed
nevertheless:

Variable ‘m’ is implicitly quantified due to a context
Use explicit forall syntax instead.
This will become an error in GHC 7.12.