Svg A Xlink. SVG - Linking element is used to create hyperlink. For xlinkhref defines the reference either to a element in an SVG document fragment or to an element.
With works I only mean that the image shows up four times not that its serialized the same way. In the wild the vast majority of existing SVG files are authored with Inkscape or Adobe Illustrator. There are a lot of legitimate reasons to do server side rendering to a raster format.
Xlinkhref attribute is used to pass the IRI Internationalized Resource Identifiers which is complementary to URI.
SVG - Linking element is used to create hyperlink. If the reference is to a element and that glyph is available then that glyph is rendered instead of the characters that are inside of the element. The use of this information is highly dependent on the type of processing being done. Below is an example of simple SVG in an HTML document.