[bug]error displaying one utf8 character

[ywgATustcbbs]

as shown in pictures. the game has a problem in displaying an utf8 character. the character is: ·
a small dot separator which is used to separate translated foreigner‘s first and last name in chinese.

[ywgATustcbbs]

here is another one. note the upper left corner, 12.5× . the × doesn't show up

[ywgATustcbbs]

the problem might be caused by the default font file missing some utf8 characters. Using a modern font (like Microsoft yahei) should help.

[ywgATustcbbs]

here is an open source fonts from adobe that should help.
https://github.com/adobe-fonts/source-han-sans