#1 Integrate OpenSP

[Björn Höhrmann]

The toolbar should integrate the OpenSP SGML toolkit
(see openjade.sf.net). It provides a validating SGML
processor used e.g. at validator.w3.org in order to
validate HTML documents.

Source code
http://sourceforge.net/project/showfiles.php?
group_id=2115&package_id=2869

Build instructions
http://lists.w3.org/Archives/Public/www-
validator/2004Jan/0066.html

Patch for Win32 compilation
http://lists.w3.org/Archives/Public/www-
archive/2004Jan/0081.html