Adam Nelson added the comment:
I can't think of too many specific scenarios. It just seems like a non-
trivial behavior change (or rather, it is trivial but with possibly far
reaching ramifications).
One issue I see is that the ticket morphed from just dealing with space
characters to
Adam Nelson added the comment:
This seems a bit serious for inclusion in 2.7 IMHO. urllib is used in all
sorts of hackish ways in the wild and I really wonder if this is going to
cause more problems for people than it's worth. The 3.x series alone
seems like the best place for this
