Nokia 特殊符号是 Unicode 私有区里面的, 每个字体可能会用来显示不同的东西, 正常的字体不会整这些的, 用 describe-char 显示
position: 37 of 6542 (1%), column: 1
character: (displayed as ) (codepoint 63488, #o174000, #xf800)
charset: big5 (Big5 (Chinese traditional))
code point in charset: 0xC8B6
syntax: w which means: word
category: L:Strong L2R, c:Chinese
to input: type "C-x 8 RET f800"
buffer code: #xEF #xA0 #x80
file code: #xEF #xA0 #x80 (encoded by coding system utf-8)
display: by this font (glyph code):
ftcrhb:-GNU -Unifont Sample-regular-normal-normal-*-16-*-*-*-d-0-iso10646-1 (#xF001)
Character code properties: customize what to show
general-category: Co (Other, Private Use)
decomposition: (63488) ('')