《新唐书·列传·卷一百一十七》
李忄登等人被杀，叛贼命段子光将李忄登等首级传送各郡示众，颜真卿杀了段子光，派外甥卢逖到常山约颜杲卿发兵，切断叛贼北路。
李憕等死，贼使段子光传首徇诸郡，真卿斩子光，遣甥卢逖至常山约起兵，断贼北道。
Li Xin and others were killed, and the rebels ordered Duan Ziguan to send the heads of Li Xin and others to 各 county for public display, Yan Zhenqing killed Duan Ziguan, and sent his nephew Lu Tui to Changshan to make an appointment with Yan Gaoqing, and to cut off the rebels' northern route.
<s>[INST] 请提供这段文言文的现代汉语解释: 李憕等死，贼使段子光传首徇诸郡，真卿斩子光，遣甥卢逖至常山约起兵，断贼北道。 [/INST] 李忄登等人被杀，叛贼命段子光将李忄登等首级传送各郡示众，颜真卿杀了段子光，派外甥卢逖到常山约颜杲卿发兵，切断叛贼北路。</s>
请提供这段文言文的现代汉语解释: 李憕等死，贼使段子光传首徇诸郡，真卿斩子光，遣甥卢逖至常山约起兵，断贼北道。
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李忄登等人被杀，叛贼命段子光将李忄登等首级传送各郡示众，颜真卿杀了段子光，派外甥卢逖到常山约颜杲卿发兵，切断叛贼北路。
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