A few days ago it was discovered that Apple is building in a new feature to Safari called Reading List. The feature works like Instapaper and allows users to save web pages for later viewing. Now Italian Mac site Melamorsicata.it has discovered another tweak set for Safari v. 5.1 in Lion -- a revision of the downloads window.
As you can see in the image above, Safari now sports a downloads button next to the Google search field (this