base package -- goals

[Herbert Valerio Riedel]

Ian Lynagh <ian at well-typed.com> writes:

[...]

> If we did that then every package would depend on haskell2010, which
> is fine until haskell2013 comes along and they all need to be changed
> (or miss out on any improvements that were made).

...wouldn't there also be the danger of type(class)-incompatible
(e.g. the superclass breakages for startes) changes between say
haskell2010 and haskell2013, that would cause problems when trying to
mix libraries depending on different haskell20xx library versions?