2. Format description

2.1 File structure

As we have seen, an SVG file is a structured document that complies with XML grammar. First and foremost, it must therefore be a valid XML document and begin with a header specifying the version of XML used. In this case, SVG is based on version 1.0. A file must therefore begin with a header that looks like this:

The second attribute (standalone) specifies whether the XML document that follows is a separate XML file (most common use in the case of SVG) or an XML fragment included in another document.

All elements in an SVG file are described using XML tags. Each tag must be opened: , then closed: ; or opened...