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     Inline images (HTML)
   
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     Inline objects (applets,...; HTML) with fallbacks
   
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     Links
   
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     Format for structured information (XML)
   
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     Applications of inline structured inline information (MathML)
   
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     Font downloading (one-glyph-fonts are still too heavy)
 
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     Main new thing needed: Ideograph description format (KanjiML?)