`dc_title` and `dc_isPartOf` may include colons

- [x] Scenario
- [x] Tests
- [x] Implementation strategy
- [x] Implementation

<img width="1409" alt="Image" src="https://github.com/user-attachments/assets/873d8581-c8ec-4e93-9188-c596d75cd4da" />

<img width="1409" alt="Image" src="https://github.com/user-attachments/assets/0d2ca38f-51ca-4c4e-8e3d-4ef2e570f029" />