special handling of "Main.hs" contradicts Report

[Simon Peyton-Jones]

| > How about just suggesting that users write 'module Main(main) where'
| > to get more efficient code?
| 
| I second Ross's opinions.  Here's a situation that I just encountered
that
| argues for his approach.

OK, we yield.  GHC 6.0 will conform exactly to the report.  That is, if
you 
say
	module Main where ...
it'll export all the top-level things defined in the module. If you omit
the 
module header altogether, it'll behave as if you said
	module Main( main ) where ...

Simon