[ tag_name, \%attr, $inner ]


##</code><code>##

    <family name="Kawasaki">
        <father>Yasuhisa</father>
        <mother>Chizuko</mother>
        <children>
            <girl>Shiori</girl>
            <boy>Yusuke</boy>
            <boy>Kairi</boy>
        </children>
    </family>

##</code><code>##

[ family => { name => 'Kawasaki' },
  [
    [father => {} => 'Yasushisa' ],
    [mother => {} => 'Chizuko' ],
    [children
        [
          [girl => {} => 'Shiori'],
          [boy  => {} => 'Yasuke'],
          [boy  => {} => 'Kairi']
        ]
     ]
   ]
]