《明史·本纪·卷二十二》
四月一日，有日食。三日，禁止抄发军机文书。
夏四月壬申朔，日有食之。甲戌，禁抄发军机。
On April 1, there was a solar eclipse. On the 3rd, it was forbidden to transcribe military documents.
<s>[INST] Identify the key themes in this Classical Chinese text and explain them in English: 夏四月壬申朔，日有食之。甲戌，禁抄发军机。 [/INST] On April 1, there was a solar eclipse. On the 3rd, it was forbidden to transcribe military documents.</s>
Identify the key themes in this Classical Chinese text and explain them in English: 夏四月壬申朔，日有食之。甲戌，禁抄发军机。
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On April 1, there was a solar eclipse. On the 3rd, it was forbidden to transcribe military documents.
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