F̶̟̼͕̼͎̟͔̣͉̳̌̔̉ͦ͐͠是一個有效的Unicode字符嗎？

Question

最近遇到這個神祕人物F̶̟̼͕̼͎̟͔̣͉̳̌̔̉ͦ͐͠並試圖找出它可能代表使用fileformat.info和unicode-table.com服務，但沒有運氣的服務代碼。它在Windows/OS X/iOS上看起來一樣。我從未見過這樣奇怪的角色。在Unicode字符表中是否有錯誤，或者有這種垂直空間違規的符號是正常的？

Answer 1

˚F實際上由24碼點被上方和下方彼此堆疊下面序列的視覺呈現時：

U+0046 LATIN CAPITAL LETTER F 
U+0336 COMBINING LONG STROKE OVERLAY 
U+031F COMBINING PLUS SIGN BELOW 
U+033C COMBINING SEAGULL BELOW 
U+0355 COMBINING RIGHT ARROWHEAD BELOW 
U+033C COMBINING SEAGULL BELOW 
U+034E COMBINING UPWARDS ARROW BELOW 
U+031F COMBINING PLUS SIGN BELOW 
U+0354 COMBINING LEFT ARROWHEAD BELOW 
U+0323 COMBINING DOT BELOW 
U+0349 COMBINING LEFT ANGLE BELOW 
U+0333 COMBINING DOUBLE LOW LINE 
U+030C COMBINING CARON 
U+0314 COMBINING REVERSED COMMA ABOVE 
U+0302 COMBINING CIRCUMFLEX ACCENT 
U+0302 COMBINING CIRCUMFLEX ACCENT 
U+0309 COMBINING HOOK ABOVE 
U+030E COMBINING DOUBLE VERTICAL LINE ABOVE 
U+0366 COMBINING LATIN SMALL LETTER O 
U+030E COMBINING DOUBLE VERTICAL LINE ABOVE 
U+0301 COMBINING ACUTE ACCENT 
U+0350 COMBINING RIGHT ARROWHEAD ABOVE 
U+030E COMBINING DOUBLE VERTICAL LINE ABOVE 
U+0360 COMBINING DOUBLE TILDE