I don't see the point in copying this answer whole into a blog post. It does not help to understand the "improved" in vim, as Jim Dennis' answer says he does not try to.<p>A blog post that quoted from Jim's answer and gave pointers to further information about vim's extensions would have begun to justify the title.<p>For reference value - HN post linking to Jim's answer: <a href="http://news.ycombinator.com/item?id=2911930" rel="nofollow">http://news.ycombinator.com/item?id=2911930</a>