[development] update hooks/APIs documentation

[Neil Drumm]

Bèr Kessels wrote:
> Is there documentation somwhere about the update hooks and APIs. I tried to 
> understand them from reading the code. And write some myself, but found this 
> too hard, to do withou the solid understanding of the actual code. 
> 
> I guess that an example module upgrade script will suffice, for now. 
> 
> Is anything already online? Does such an example exist?

hook_update_N() is documented in contrib/docs/developer/hooks/update.php.

Drupaldocs seems to have troubles picking up changes (among other 
things). I'd like to use API.module locally to test these things before 
posting to controb docs; has anyone updated it to HEAD yet?

-- 
Neil Drumm
http://delocalizedham.com/