[project @ 2002-11-06 10:38:16 by simonmar] - Add a Show instance for ForeignPtr
[project @ 2002-11-06 10:38:16 by simonmar]
- Add a Show instance for ForeignPtr

- Fix the Eq instance for ForeignPtr to match the behaviour specified
  by the spec.  Two ForeignPtrs are equal iff their underlying Ptrs
  are equal (previously they were equal iff they were the same
  ForeignPtr).

MERGE TO STABLE

ekmett/containers,iu-parfunc/containers,shockkolate/containers,iu-parfunc/containers,hvr/containers,shockkolate/containers,Zigazou/containers,Zigazou/containers,ekmett/containers,ekmett/containers,shockkolate/containers,meiersi/psqueues-old,hvr/containers,Zigazou/containers,iu-parfunc/containers,hvr/containers,beni55/pretty