|Logical domain attributes.|
layer (direct member of att.layer.log)
@def(optional)Provides a mechanism for linking the layer to a layerDef element. Value conforms to data.URI. att.layer.log
@metcon(optional)Indicates the relationship between the content of a staff or layer and the prevailing meter. Allowed values are: "c" (Complete; i.e., conformant with the prevailing meter.), "i" (Incomplete; i.e., not enough beats.), "o" (Overfull; i.e., too many beats.)att.meterconformance
@def attribute should have content.
The value in @def should correspond to the @xml:id attribute of a layerDef element.