Expand collapse formatter (8.x-1.0) - en to unknown language translation catalogue (6 entries)

en: Expanded
target: 已展开

en: Default state
target: 默认状态

en: Collapsed
target: 收起

en: About
target: 关于

en: Show more
target: 显示更多

en: Trim length
target: 切割长度
