Revert "Bug #2586: Do not remove attibutes with space values"

This reverts commit 8277a09b1e0aef92db714e30ba6211738d9b6499.
Revert "Bug #2586: Remove formatting in fsck for Nokogiri docs. Contributed by Rolandas Naujikas"

This reverts commit 0820cf86d77965453f7683e74d81277fd32f4838.
Bug #2586: Better nokogiri formatting options