As (probably) every other consultant I don't like the task of documenting my source. It's necessary, but boring. And what do you document and what not? And what if you add a parameter? It would be handy if you can generate your documentation, wouldn't it?
And it can: using the pl/sql doc plug-in of Pl/Sql Developer.
Already a few years a I wrote an article on it. For our Dutch readers and our non-dutch readers who are that linguistic that they haven't any problems with our beautiful language, you can download it here.