《旧唐书·本纪·卷七》
弘道元年十二月，高宗去世，遗诏令皇太子在灵柩前即皇帝位。
弘道元年十二月，高宗崩，遗诏皇太子柩前即帝位。
In December of the first year of Hongdao, Emperor Gaozong passed away and in his will ordered the crown prince to succeed the throne before his coffin.
<s>[INST] Kindly elucidate the central themes in this passage in English: 弘道元年十二月，高宗崩，遗诏皇太子柩前即帝位。 [/INST] In December of the first year of Hongdao, Emperor Gaozong passed away and in his will ordered the crown prince to succeed the throne before his coffin.</s>
Kindly elucidate the central themes in this passage in English: 弘道元年十二月，高宗崩，遗诏皇太子柩前即帝位。
user
In December of the first year of Hongdao, Emperor Gaozong passed away and in his will ordered the crown prince to succeed the throne before his coffin.
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