bbcode satori

So I had my five decades of daily SICP and reached satori.
But still, bbcode is a mystery to me.

I consulted YHBT hypertext bbcode tutorial, but still I am not wiser.

What literature does /proc/ recommend on this topic?

Ｉ　ｄｏｎ’ｔ　ｋｎｏｗ　ｈｏｗ　ｔｏ　ａｃｈｉｅｖｅ　ｂｂｏｄｅ　ｓａｔｏｒｉ．