[Haskell] proposal about declaring language version and language extensions used in specific module

[Ross Paterson]

On Tue, Aug 09, 2005 at 03:37:01PM -0700, John Meacham wrote:
> I thought there was talk of a standardized {-# LANGUAGE ... #-} pragma somewhere.. but I can't seem to find it.

http://www.haskell.org//pipermail/haskell/2003-September/012692.html
http://www.haskell.org//pipermail/libraries/2004-October/002589.html

The latter version is also mentioned in the Cabal User's Guide under the
"extensions" field, but it only works for Hugs at present.