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<h2><a name="TheoryDME"></a>Theory/DME</h2>
   <b>* Use icm:acc*neg:action(A) instead of request(up) - [DH 030905-1]</b><br>
     
<blockquote>   Can user dialogue move 'request(up) be seen as 'icm:acc*neg:action(A)' 
 where A is the current action? When system performs icm:acc*neg:action(A) 
 it has the meaning "I can not perform A" (at least i