U+00A0 (Non-breaking space)无法被正确压缩

Code Glyph Decimal HTML Description #
U+00A0     Non-breaking space 0096

https://zh.wikipedia.org/wiki/Unicode%E5%AD%97%E7%AC%A6%E5%88%97%E8%A1%A8

https://en.wikipedia.org/wiki/List_of_Unicode_characters