xlink:role XLink Linking Role
OPTIONAL on many elements; click for list and usage
<abbrev>, <app>, <award-id>, <bio>, <chem-struct>, <collab>, <contrib>, <custom-meta>, <element-citation>, <email>, <ext-link>, <extended-by>, <funding-source>, <graphic>, <inline-graphic>, <inline-media>, <inline-supplementary-material>, <institution>, <issue-id>, <license>, <long-desc>, <media>, <mixed-citation>, <named-content>, <nlm-citation>, <pronunciation>, <pub-id>, <related-article>, <related-object>, <restricted-by>, <self-uri>, <std>, <supplementary-material>, <uri>, <volume-id>
| Value | Meaning |
|---|---|
| Text, numbers, or special characters | The URI of a resource that describes the role, reason, or rationale for the link. |
| Restriction | This is an optional attribute; there is no default. |