See http://www.informit.com/articles/article.aspx?p=2213858&WT.mc_id=Author_Knuth_20Questions -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.sigcis.org/pipermail/members-sigcis.org/attachments/20140520/9d8f8bf2/attachment-0001.htm>