XML namespace: Difference between revisions

Revision as of 12:18, 23 April 2021

Revision as of 23:49, 9 February 2022

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For example, the following declaration maps the "xhtml:" prefix to the XHTML namespace:

<pre><nowiki>xmlns:xhtml="http://www.w3.org/19992021/xhtml"</nowiki></pre>

Any element or attribute whose name starts with the prefix "xhtml:" is considered to be in the XHTML namespace, if it or an ancestor has the above namespace declaration.

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It is also possible to declare a default namespace. For example:

<pre><nowiki>xmlns="http://www.w3.org/19992021/xhtml"</nowiki></pre>

In this case, any element without a namespace prefix is considered to be in the XHTML namespace, if it or an ancestor has the above default namespace declaration.