- Allows multiple primary authors, and better description of contributor roles.
- Based on initial work by Ronan McHugh and the National Library of Ireland team (VUFIND-542).
- Expanded with significant assistance by André Lahmann.
- For more detailed development history, see pull request #354.

Modified /import/marc.properties and
/module/VuFind/src/VuFind/Recordriver/SolrMarc.php for indexing and
showing 653 subjects

- Thanks to Tod Olson.

Resolves VUFIND-815.

Some edge cases won't be fixed until next SolrMarc upgrade (need List support)