xmlns:xlink
XLink Namespace Declaration
This is not an attribute, but the namespace pseudo-attribute. The value provides a URI to use for the XLink linking attributes (which has been set to a prefix of “xlink”). 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.
Used on these Elements:
<abbrev>, <app>, <adoption>, <bio>, <chem-struct>, <collab>, <contrib>, <custom-meta>, <element-citation>, <email>, <ext-link>, <funding-source>, <graphic>, <inline-graphic>, <inline-supplementary-material>, <institution>, <issue-id>, <license>, <long-desc>, <media>, <mixed-citation>, <named-content>, <nlm-citation>, <pronunciation>, <pub-id>, <related-article>, <self-uri>, <standard>, <supplementary-material>, <uri>, <volume-id>
| Value | Meaning |
|---|---|
| http://www.w3.org/1999/xlink | The prefix “xlink” has been set to the URL for the W3C XLink Recommendation. |
| Restriction | This attribute has a fixed value which may not be changed in the XML document. |
Example
...
<p><italic>Slow-front transient overvoltage (SFO)</italic>:
Transient overvoltage, usually unidirectional, with time to
peak 20 μs <
<inline-formula>
<alternatives>
<tex-math notation="LaTeX">${T_p}$</tex-math>
<inline-graphic xlink:href="1894_2015_mml_m1.eps"
xmlns:xlink="http://www.w3.org/1999/xlink"/>
</alternatives>
</inline-formula> ≤ 5 000 μs, and
time to half value of a 
decreasing voltage
<inline-formula>
<alternatives>
<tex-math notation="LaTeX">${T_2}$</tex-math>
<inline-graphic xlink:href="1894_2015_mml_m2.eps"
xmlns:xlink="http://www.w3.org/1999/xlink"/>
</alternatives>
</inline-formula> ≤ 20 ms.</p>
...