❓□🤔

#tofu #missing glyph #placeholder character #unknown character #unicode box #rendering error #font issue #replacement character

⌨️❓□

#unicode error #replacement character #tofu character #PUA problem #font issue #missing glyph

📝😵‍💫🤷

#confused text #unreadable document #text error #display error #cannot read #font issue #character confusion