[tei-council] Mode attribute for <classes>

[Sebastian Rahtz]

Lou Burnard wrote:
> <classes mode="add"> means "add my parent to the classes indicated by 
> my children without changing its existing memberships"
> <classes mode="delete"> means "remove my parent from the classes 
> indicated by my children"
> <classes mode="replace"> means "replace my parent's existing class 
> memberships by those indicated by my children"
> <classes mode="change"> means the same as mode="add", except that it 
> should raise an error if my parent has no class memberships.
>
> Am I missing something? This seems neither too hard nor too 
> inconsistent with what we currently have.
it seems hard to me, because the semantics of an unadulterated 
<memberOf> now vary. sometimes it means "off with my head",
sometimes it means "add me"

oh well

-- 
Sebastian Rahtz      
Information Manager, Oxford University Computing Services
13 Banbury Road, Oxford OX2 6NN. Phone +44 1865 283431