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Co-Authored-By: shela <shelaf@users.noreply.github.com>

docs/ja/newbs_building_firmware.md

@@ -1,8 +1,9 @@
 # 初めてのファームウェアを構築する(コマンドライン版)
 
 <!---
+  grep --no-filename "^[ ]*git diff" docs/ja/*.md | sh
   original document: ed0575fc8:docs/newbs_building_firmware.md
-  $ git diff ed0575fc8 HEAD docs/newbs_building_firmware.md
+  git diff ed0575fc8 HEAD docs/newbs_building_firmware.md | cat
 -->
 
 ビルド環境をセットアップしたので、カスタムファームウェアのビルドを開始する準備ができました。