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📄 학습 내용
🙋🏻 세줄 요약
서로 다른 버전에 대한 호환성, 그 중에서도 하위 호환성에 대한 내용입니다.
👀 편하게 보기
파일
📎 관련 이슈
closed #17
레퍼런스
문서에 남겨두었습니다!