See workaround in previous comment and add manualy a complete Xul tag:
<?xml version="1.0" encoding="UTF-8"?>
<xul xmlns="jswingxul"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="jswingxul LuxorSchema.xsd">
in place of simply <xul> tag.
Remind xul files are in the chrome/startup directory of project.
If you would like to refer to this comment somewhere else in this project, copy and paste the following link:
See workaround in previous comment and add manualy a complete Xul tag:
<?xml version="1.0" encoding="UTF-8"?>
<xul xmlns="jswingxul"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="jswingxul LuxorSchema.xsd">
in place of simply <xul> tag.
Remind xul files are in the chrome/startup directory of project.