[tei-council] P5 source, modifying class atts at the base level.

[Lou Burnard]

but my dear mr whitman

> well, if our ODD
>
>      a) provided a closed valLlist for @type on<div>
>      b) added @subsubtype to att.typed
>
> then<div>  would end up with @subsubtype, so I claim the link
> to att.typed is intact and meaningful.

there's no way of doing (a) in the classSpec for att.typed because 
classes don't know who their members are. Whereas there's no way of 
doing (b) *except* in the classSpec, so I claim this example is irrelevant!