The schema complains about the values "Ars nova" and "Ars antiqua" being invalid for the @notationsubtype attribute. (value must be an XML NMTOKEN). Removing the space between the words seem to solve the problem. Consider substituting these values by "Ars_nova" and "Ars_antiqua", respectively?
The schema complains about the values
"Ars nova"and"Ars antiqua"being invalid for the@notationsubtypeattribute. (value must be an XML NMTOKEN). Removing the space between the words seem to solve the problem. Consider substituting these values by"Ars_nova"and"Ars_antiqua", respectively?