XML namespace
SVG
Scalable Vector Graphics. A standalone .svg file must declare this on its root element or browsers render nothing; inline SVG in HTML need not.
xmlns="http://www.w3.org/2000/svg"SVG is real XML, which is why an SVG file can be validated, diffed and searched with XML tooling. A standalone SVG file must declare this namespace on its root element or browsers will treat it as unknown markup and render nothing.
Inline SVG inside HTML is the exception: the HTML parser assigns the namespace implicitly, so hand-written inline SVG often omits the declaration and still works.
- URI
http://www.w3.org/2000/svg- Prefix
- Usually the default namespace
- Elements
svgpathgrectcircledefsusetext
Specification: SVG 2
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