The URI scheme "donau" is a Provisional registration in the IANA Uniform Resource Identifier (URI) Schemes registry.
- Scheme: donau
- Description: donau
- Status: Provisional
- CRI scheme number: 10150
- Well-known URI support: none
- Registration template: https://www.iana.org/assignments/uri-schemes/prov/donau
- Reference: draft-grothoff-donau-02