xmlns:xlink

XLink Namespace Declaration

This is not an attribute, but the namespace pseudo-attribute. The value provides a prefix to use for the XLink linking attributes. All namespace prefixes must be associated with a URL, and the prefix “xlink” has been set to the URL for the World Wide Web Consortium (W3C) XLink Recommendation.

Attribute Values

In Element

<article>
ValueMeaning
http://www.w3.org/1999/xlinkThe prefix “xlink” has been set to the URL for the W3C XLink Recommendation.
Restriction: Restriction: This attribute value may not be changed.

In Elements

<abbrev>, <award-group>, <bio>, <chem-struct>, <collab>, <conference>, <contrib>, <custom-meta>, <element-citation>, <email>, <ext-link>, <funding-source>, <graphic>, <inline-graphic>, <inline-supplementary-material>, <institution>, <license>, <media>, <long-desc>, <mixed-citation>, <named-content>, <nlm-citation>, <product>, <related-article>, <related-object>, <self-uri>, <supplementary-material>, <uri>
ValueMeaning
http://www.w3.org/1999/xlinkWhen this attribute is used, the prefix “xlink” should be set to the URL for the W3C XLink Recommendation.
Restriction: This is an optional attribute; there is no default.