How to get superscript symbol in APT Format?

[an...@nokia.com]

I found this question in the archive, but no answer to it. Is it possible?
 
http://www.mail-archive.com/users@maven.apache.org/msg33187.html
 
(same use-case here, btw: Java^TM)
Andreas Ebbert-Karroum 
  Senior Software Design Engineer - Nokia Networks Services / Middleware 
  phone: +49-211-94123928, fax: +49-211-94123838 
  Heltorfer Straße 1, 40472 Düsseldorf, Germany 


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