First, if you just want to embed videos using the html5 `<video>` tag,
you can do that without switching anything else to html5.
-However, if you want to fully enter the brave new world of html5, read on.
+However, if you want to fully enter the brave new world of html5, read on..
Currently, ikiwiki does not use html5 by default. There is a `html5`
setting that can be turned on, in your setup file. Rebuild with it set, and