<classSpec ident="att.mensur.log" module="MEI.shared" type="atts">
                                    
                                    <desc xml:lang="en">Logical domain attributes.</desc>
                                    
                                    
                                    
                                    <attList>
                                       
                                       <attDef ident="level" usage="opt">
                                          
                                          <desc xml:lang="en">Level of duration at which the proportion given by the @num and @numbase ratio applies.</desc>
                                          
                                          
                                          </attDef>
                                       </attList>
                                    </classSpec>