Documentation of keepsOrientation
Provide better description for the need and semantics of keepsOrientation of the associatedNetElement or remove the need for it.
Link: [railML's Forum](https://www.railml.org/forum/index.php?t=msg&goto=2756&&srch=keepsOrientation#msg_2756)
Conclusion: After discussion in forum and use case working groups, it can be concluded that there is no interest in using this attribute. **Therefore, the attribute `@keepsOrientation` will be marked deprecated.**
issue