[MusicXML] support system attribute to distinguish between system and part association
Reported version
3.6
Type
Functional
Frequency
Once
Severity
S4 - Minor
Reproducibility
Always
Status
active
Regression
No
Workaround
No
Project
See also: https://musescore.org/en/node/321095
Precondition: MusicXML 4.0
Specification: https://www.w3.org/2021/06/musicxml40/musicxml-reference/data-types/sys…
Comments
Relates to #270643: [EPIC] MusicXML import/export issues
Needs #321095: Support MusicXML 4.0