[topicmapmail] Associations: Putting a level/grade one

[Miles Thompson]

Why not just (bit inserted below)... 
?

> <association id="at-knows">
> <instanceOf>
>     <topicRef xlink:href="#at-knowledge-level-of"/>
> </instanceOf>
> <scope>
>     <topicRef xlink:href="#st-programming"/>
> </scope>
> <member>
>     <roleSpec>
>         <topicRef xlink:href="#rt-knower"/>
>     </roleSpec>
>     <topicRef xlink:href="#t-mike"/>
> </member>
> <member>
>     <roleSpec>
>         <topicRef xlink:href="#rt-known"/>
>     </roleSpec>
>     <topicRef xlink:href="#t-python"/>
> </member>
 <member>
     <roleSpec>
         <topicRef xlink:href="#rt-level"/>
     </roleSpec>
     <topicRef xlink:href="#t-intermediate"/>
 </member>
> </association>
>