On Tue, Aug 14, 2012 at 3:03 AM, Sebastian Zartner <sebastianzart...@gmail.com> wrote: >> * One for all elements representing possible drop targets >> that could receive the item. >> * One for all elements representing drop targets that do >> not accept this type of item. > > This sounds like these two pseudo-classes would do exactly the opposite. So > why not use :not() for this case?
Nope, the distinction is similar to :valid/:invalid - usually, most elements will match neither, because they're not drop targets at all, so they can't be a valid drop target *or* an invalid one. ~TJ