Are the rules defining a defensless reciever still referring to hits in the head and neck area?

The NFL is going to expand Illeagal hits Heres a link: http://www.nfl.com/news/story/09000d5d81ec8fca/article/illegal-hits-draw-more-scrutiny-replays-kickoffs-under-review?module=HP_headlines A person said something about this and I thought it would be a good question.