❓□🤔

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

□📄

#missing character #tofu #missing glyph #font error #text encoding #unicode error #box character #character unavailable

❓💎

#replacement character #unicode error #missing glyph #mojibake visual #question diamond

⌨️❓□

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