patch applied (packages/base): IsString is GHC-only (so why is it in the Prelude?)

[Duncan Coutts]

On Tue, 2007-01-23 at 10:38 -0800, Ross Paterson wrote:
> Tue Jan 23 10:30:07 PST 2007  Ross Paterson <ross at soi.city.ac.uk>
>   * IsString is GHC-only (so why is it in the Prelude?)

Yes, can we please have a discussion about what's going on here.
Changes to the base library are supposed to go via the libraries review
process. I'm not complaining that we slipped up, I just want to make
sure people can have a chance to comment. I'm cc'ing the libraries list.

Duncan