fix(reverse_sync): preserved anchor 리스트의 아이템 제거를 XHTML에 반영합니다#978

jk-kim0 merged 7 commits intomainquerypie/querypie-docs:mainfrom

fix/reverse-sync-list-item-removalquerypie/querypie-docs:fix/reverse-sync-list-item-removalCopy head branch name to clipboard