《资治通鉴·后梁纪·后梁纪一》
刘守光囚禁他的父亲刘仁恭以后，自称卢龙留后，派遣使者请求任命。
刘守光既囚其父，自称卢龙留后，遣使请命。
After Liu Shouguang imprisoned his father Liu Rengong, he called himself the Retention Protectorate of Lulong and sent an envoy to request an appointment.
<s>[INST] Identify the key themes in this Classical Chinese text and explain them in English: 刘守光既囚其父，自称卢龙留后，遣使请命。 [/INST] After Liu Shouguang imprisoned his father Liu Rengong, he called himself the Retention Protectorate of Lulong and sent an envoy to request an appointment.</s>
Identify the key themes in this Classical Chinese text and explain them in English: 刘守光既囚其父，自称卢龙留后，遣使请命。
user
After Liu Shouguang imprisoned his father Liu Rengong, he called himself the Retention Protectorate of Lulong and sent an envoy to request an appointment.
assistant