Demonstration Issue Review


**https://opentdatach.github.io/netexRealisationGuideSwitzerland/main/04_files.html**

<img width="804" height="262" alt="Image" src="https://github.com/user-attachments/assets/8df3b64d-97e9-4bdb-a8f0-bb70d84cdb50" />

- [ ] We think that the usage of version and versionRef needs be clarified inmore detail
