| xml | [RFC3688] | [https://www.iana.org/assignments/xml-registry] |
| cpim-headers | [RFC3862] | [https://www.iana.org/assignments/cpim-headers] |
| ecml | [RFC4112] | [https://www.iana.org/assignments/ecml-parameters] |
| imdn | [RFC5438] | [https://www.iana.org/assignments/imdn] |
| sieve | [RFC6134] | [https://www.iana.org/assignments/sieve-extensions] |
| oauth | [RFC6755] | [https://www.iana.org/assignments/oauth-parameters] |
| gss | [RFC7056] | [https://www.iana.org/assignments/gss-api-parameters] |
| netconf | [RFC6241] | [https://www.iana.org/assignments/netconf-capability-urns] |
| rtp-hdrext | [RFC8285] | [https://www.iana.org/assignments/rtp-parameters#rtp-parameters-10] |
| geopriv | [RFC7035] | [https://www.iana.org/assignments/geopriv-identifiers] |
| scim | [RFC7643] | [https://www.iana.org/assignments/scim] |
| tzdist | [RFC7808] | [https://www.iana.org/assignments/tzdist-identifiers] |
| abfab | [RFC7833] | [https://www.iana.org/assignments/abfab-parameters] |
| push | [RFC8030] | [https://www.iana.org/assignments/webpush-parameters] |
| restconf | [RFC8040] | [https://www.iana.org/assignments/restconf-capability-urns] |
| mud | [RFC8520] | [https://www.iana.org/assignments/mud] |
| rolie | [RFC8322] | [https://www.iana.org/assignments/rolie] |
| acme | [RFC8555] | [https://www.iana.org/assignments/acme] |
| jmap | [RFC8620, Section 9.4] | [https://www.iana.org/assignments/jmap] |
| capport:unrestricted | [RFC8910] | [RFC8910] |
| trans | [RFC9162] | [https://www.iana.org/assignments/trans] |
| whip | [RFC9725] | [https://www.iana.org/assignments/whip] |
| unit | [RFC-ietf-asdf-sdf-23] | Combining the symbol values from the [SenML Units] registry and the [Secondary Units] registry in [IANA registrysenml] as specified by Sections 4.5.2 and 12.1 of [RFC8428] and Section 3 of [RFC8798], respectively (which by the registration policy are guaranteed to be non-overlapping). |
