[tei-council] Deleting an attribute from its class, but reinstating it on an element

[Sebastian Rahtz]

On 26 Feb 2014, at 19:11, Martin Holmes <mholmes at uvic.ca> wrote:

> 
> 1. Delete @sameAs (among others) from att.global.linking; but
> 
> 2. Reinstate it on the <category> element.
> 
> I thought this would be the way to do it:
> 
> <classSpec ident="att.global.linking" module="linking" type="atts" 
> mode="change">
>   <attList>
>     <attDef ident="sameAs" mode="delete"/>
>   </attList>
> </classSpec>
> 
> [...]
> 
> <elementSpec ident="category" module="header" mode="change">
>   <attList>
>     <attRef class="att.global.linking" name="sameAs"  />
>   </attList>
> </elementSpec>
> 
you’re being bitten by order of evaluation. you delete @sameAs from the class, then refer
to it later. By the time <attRef> comes along, sameAs is dead and buried.

there isn’t a right answer here. If we reverse the order of evaluation, then when you (e.g.) change
the datatype of @sameAs instead of deleting it, you’ll be upset cos your copy on <category>
is the original, not the changed one.

I don’t have an answer to this.
--
Sebastian Rahtz      
Director (Research) of Academic IT
University of Oxford IT Services
13 Banbury Road, Oxford OX2 6NN. Phone +44 1865 283431

Não sou nada.
Nunca serei nada.
Não posso querer ser nada.
À parte isso, tenho em mim todos os sonhos do mundo.