@Override
    public void startPrefixMapping(String arg0, String arg1)
            throws SAXException {
        ensureState();
        try {
            w.write("contentHandler.startPrefixMapping(");
            w.write(stringLiteral(arg0));
            w.write(", ");
            w.write(stringLiteral(arg1));
            w.write(");\n");
        } catch (IOException e) {
            throw new SAXException(e);
        }
    }
@see org.xml.sax.ContentHandler#startPrefixMapping(java.lang.String,
     java.lang.String)
src/nu/validator/xml/SaxCompiler.java