Why does Mozilla show an “XML Parsing Error” message instead of SVG?
This is an XML debugging message to help XML authors correct errors in their XML documents. Mozilla will show this message when there’s an XML well formedness error in the file it tried to load. (It doesn’t mean there’s an error in Mozilla.) There are many different XML errors, but the most common one in SVG files is “XML Parsing Error: prefix not bound to a namespace”. This is (almost certainly) because the ‘xmlns:xlink’ attribute has been used in the file without including the following two namespace bindings on the root
