http://blog.fefe.de/

has a fairly minimal layout, great in it's own light (at least for me). But it hit me hard when I viewed the sourcecode

view-source:http://blog.fefe.de/

the tags for html, head and body are missing completely, none of the <li> or <p> tags are closed. But it renders fine in any browser, and even

http://validator.w3.org/check?uri=http%3A%2F%2Fblog.fefe.de%2F&charset=%28detect+automatically%29&doctype=Inline&group=0

says everything is okay. Until today I believed I "know" HTML5, but that you can close tags with a newline implicitly is totally new for me.

Does anyone have similar "hacks" like these?