Since it came up in conversation today, be careful here..
https://web.archive.org/web/20070205200717/http://blogs.sun.com/MartinHardee/date/20040624
Dr Spock’s Baby Care is a best-selling owner’s manual for the most complicated ‘product’ imaginable – and it only has two levels of headings. You people have 8 levels of hierarchy and I haven’t even stopped counting yet. No wonder you think it’s complicated.