This feature is no longer recommended. Though some browsers might still support it, it may have already been removed from the relevant web standards, may be in the process of being dropped, or may only be kept for compatibility purposes. Avoid using it, and update existing code if possible; see the compatibility table at the bottom of this page to guide your decision. Be aware that this feature may cease to work at any time.
xml:base attribute specifies a base IRI other than the base IRI of the document or external entity.
All elements are using this attribute.
- This value specifies the base IRI of the element.
|Scalable Vector Graphics (SVG) 1.1 (Second Edition)
The definition of 'xml:base' in that specification.
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- XML Base specification