Add @target to all elements except <ead>

[kerstarno]

Creator of issue

1. Kerstin Arnold
2. EAD team lead, TS-EAS
3. @kerstarno
4. kerstin.arnold@archivesportaleurope.net

The issue relates to

• [ ] EAC-CPF schema issue
• [ ] EAC-CPF Tag Library issue
• [x] EAD schema issue
• [x] EAD Tag Library issue
• [ ] Schema issue
• [ ] Tag Library issue
• [ ] Suggestions for all schemas
• [ ] Suggestions for all Tag Libraries
• [ ] Other

Wanted change/feature

• Text: Add @target to all elements except for <ead> (change from only being used with <ptr> and <ref>).

• [x] Add @target to all elements except for <ead>

• [x] Change data type from IDREF to IDREFS

Note for working on and testing this issue: When the schema changes are done in development branch, please add a comment to this issue; once the changes have been tested successfully please mark this by ticking the box.

[fordmadox]

Ready for testing.

[karinbredenberg]

Attribute target is present on all elements except the ead-element and its possible to have more than one id being referenced.