[Clipart] Comma-separated keywords in metadata

[Karl Ove Hufthammer]

There seems to be something wrong with the 'subject' metadata in various SVG 
files. 'subject' should (preferably) be a keyword, not a comma-separated list 
of keywords. Example (wrong):

<dc:subject>yield, sign, yield sign, street sign, traffic sign</dc:subject>

The proper way to achieve this in RDF is with a 'rdf:Bag':

 <dc:subject>
   <rdf:Bag>
     <rdf:li>yield</rdf:li>
     <rdf:li>sign</rdf:li>
     <rdf:li>yield sign</rdf:li>
     <rdf:li>street sign</rdf:li>
     <rdf:li>traffic sign</rdf:li>
   </rdf:Bag>
 </dc:subject>

-- 
Regards,
Karl Ove Hufthammer