I was under the impression that the main reason GHC requires .hs-boot files is that nobody has had t...

Indeed. I’ve added some notes here http://hackage.haskell.org/trac/ghc/ticket/1409#comment:37

Simon

From: haskell-cafe-bounces@haskell.org [mailto:haskell-cafe-bounces@haskell.org] On Behalf Of Daniel Peebles
Sent: 07 September 2010 06:06
To: Mathew de Detrich
Cc: Ivan Lazar Miljenovic; haskell
Subject: Re: [Haskell-cafe] circular imports

I was under the impression that the main reason GHC requires .hs-boot files is that nobody has ...