Precision Graphics Markup Language

Precision Graphics Markup Language (PGML) is an XML-based vector graphics format. Adobe, IBM, Netscape, and Sun Microsystems were involved in developing or promoting it. It did not catch on, though it influenced the development of SVG.

Links

 * https://www.w3.org/TR/1998/NOTE-PGML-19980410
 * Precision Graphics Markup Language