From whence came the phrase "16 of the 23 patterns in Design Patterns were 'invisible or simpler' in Lisp."<p>Related material: <a href="http://c2.com/cgi/wiki?AreDesignPatternsMissingLanguageFeatures" rel="nofollow">http://c2.com/cgi/wiki?AreDesignPatternsMissingLanguageFeatu...</a>