<classSpec ident="att.meterSigDefault.vis" module="MEI.visual" type="atts">
                        
                        <desc>Used by staffDef and scoreDef to provide default values for attributes in the visual
                           domain related to meter signature.</desc>
                        
                        <attList org="group">
                           
                           <attDef ident="meter.form" usage="opt">
                              
                              <desc>Contains an indication of how the meter signature should be rendered.</desc>
                              
                              <valList type="closed">
                                 
                                 <valItem ident="num">
                                    
                                    <desc>Show only the number of beats.</desc>
                                    </valItem>
                                 
                                 <valItem ident="denomsym">
                                    
                                    <desc>The lower number in the meter signature is replaced by a note symbol.</desc>
                                    </valItem>
                                 
                                 <valItem ident="norm">
                                    
                                    <desc>Meter signature rendered using traditional numeric values.</desc>
                                    </valItem>
                                 
                                 <valItem ident="invis">
                                    
                                    <desc>Meter signature not rendered.</desc>
                                    </valItem>
                                 </valList>
                              </attDef>
                           
                           <attDef ident="meter.showchange" usage="opt">
                              
                              <desc>Determines whether the old meter signature should be displayed when the meter
                                 signature changes.</desc>
                              
                              
                              </attDef>
                           </attList>
                        </classSpec>