Table of Contents
${'%*s'%(4*level,'')}
${'%*s'%(4*level,'')}
${'%*s'%(4*level,'')}${re.sub(r'\s+', ' ', np.text)}
${'%*s'%(4*level,'')}
${'%*s'%(4*level,'')}
${'%*s'%(4*level,'')}${np.author}
${'%*s'%(4*level,'')}${np.description}
${navpoint(np2, level+1)}
${'%*s'%(4*level,'')}
${navpoint(np, 0)}