The schema for SVG 1.1 is included in the Relax NG and Relax NG compact syntax versions of focheck.
The SVG 1.1 DTD was downloaded from http://www.w3.org/TR/SVG/svgdtd.html
The Scalable Vector Graphics (SVG)
Copyright 2001, 2002, 2011 World Wide Web Consortium
(Massachusetts Institute of Technology, Institut National de
Recherche en Informatique et en Automatique, Keio University).
All Rights Reserved.
Permission to use, copy, modify and distribute the SVG DTD and its
accompanying documentation for any purpose and without fee is hereby
granted in perpetuity, provided that the above copyright notice and
this paragraph appear in all copies. The copyright holders make no
representation about the suitability of the DTD for any purpose.
It is provided "as is" without expressed or implied warranty.