addElement('ruby', true, 'Inline',
'Custom: ((rb, (rt | (rp, rt, rp))) | (rbc, rtc, rtc?))',
'Common');
$this->addElement('rbc', true, false, 'Required: rb', 'Common');
$this->addElement('rtc', true, false, 'Required: rt', 'Common');
$rb =& $this->addElement('rb', true, false, 'Inline', 'Common');
$rb->excludes = array('ruby' => true);
$rt =& $this->addElement('rt', true, false, 'Inline', 'Common', array('rbspan' => 'Number'));
$rt->excludes = array('ruby' => true);
$this->addElement('rp', true, false, 'Optional: #PCDATA', 'Common');
}
}