Use it like that:
HTML:
[TOC][/TOC]
Quick line of introduction.
[h1]H1 Text - Some long header for the sake of it[/h1]
[h2]H2 Text[/h2]
[h3]H3 Text[/h3]
[h4]H4 Text[/h4]
[h5]H5 Text[/h5]
[h6]H6 Text[/h6]
[h5]H5.1 Text[/h5]
[h3]H3.1 Text[/h3]
[h4]H4.1 Text[/h4]
Lala
[h1]H1.1 Text[/h1]
