>
> should work (i just fixed \about in mkiv and will make a new beta)
>
>
I running with the last version of MKII via minimals and I get the same 
problem. With MKIV via minimals I get error (it hangs!).

So, please, can you let it a change: can you run context with this 
source with the last subsubsubject changed to subsubsection and you will 
see that there are a lot of warnings

Xan.

PS: I send you the source compressed.